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1. Vogelbaum MA, Berkey B, Peereboom D, Macdonald D, Giannini C, Suh JH, Jenkins R, Herman J, Brown P, Blumenthal DT, Biggs C, Schultz C, Mehta M: Phase II trial of preirradiation and concurrent temozolomide in patients with newly diagnosed anaplastic oligodendrogliomas and mixed anaplastic oligoastrocytomas: RTOG BR0131. Neuro Oncol; 2009 Apr;11(2):167-75
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase II trial of preirradiation and concurrent temozolomide in patients with newly diagnosed anaplastic oligodendrogliomas and mixed anaplastic oligoastrocytomas: RTOG BR0131.
  • The primary objectives of this phase II study were to evaluate the use of preirradiation temozolomide followed by concurrent temozolomide and radiotherapy (RT) in patients with newly diagnosed anaplastic oligodendroglioma (AO) and mixed anaplastic oligoastrocytoma (MOA).
  • Tumor tissue was analyzed for the presence of chromosomal deletions on 1p and 19q and for MGMT-promoter methylation.
  • The worst nonhematological toxicity was grade 4 in three patients (8%).
  • There were no grade 4 nonhematological toxicities during the concurrent chemotherapy and RT.
  • [MeSH-major] Antineoplastic Agents, Phytogenic / therapeutic use. Astrocytoma / therapy. Brain Neoplasms / therapy. Dacarbazine / analogs & derivatives. Neoplasm Recurrence, Local / therapy. Oligodendroglioma / therapy
  • [MeSH-minor] Adolescent. Adult. Aged. Chromosome Deletion. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Combined Modality Therapy. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Dose Fractionation. Female. Humans. In Situ Hybridization, Fluorescence. Male. Middle Aged. Prognosis. Promoter Regions, Genetic. Survival Rate. Treatment Outcome. Tumor Suppressor Proteins / genetics. Young Adult

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  • (PMID = 18779504.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Multicenter Study
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Phytogenic; 0 / Tumor Suppressor Proteins; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
  • [Other-IDs] NLM/ PMC2718988
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2. Ducray F, Idbaih A, de Reyniès A, Bièche I, Thillet J, Mokhtari K, Lair S, Marie Y, Paris S, Vidaud M, Hoang-Xuan K, Delattre O, Delattre JY, Sanson M: Anaplastic oligodendrogliomas with 1p19q codeletion have a proneural gene expression profile. Mol Cancer; 2008;7:41
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  • [Title] Anaplastic oligodendrogliomas with 1p19q codeletion have a proneural gene expression profile.
  • BACKGROUND: In high grade gliomas, 1p19q codeletion and EGFR amplification are mutually exclusive and predictive of dramatically different outcomes.
  • We performed a microarray gene expression study of four high grade gliomas with 1p19q codeletion and nine with EGFR amplification, identified by CGH-array.
  • One of the most striking differences was the expression of normal brain genes by oligodendrogliomas with 1p19q codeletion.
  • Immunohistochemical study of the most differentially expressed neuronal gene, alpha-internexin, clearly differentiated the two groups of gliomas, with 1p19q codeletion gliomas showing specific staining in tumor cells.
  • CONCLUSION: These findings provide evidence for neuronal differentiation in oligodendrogliomas with 1p19q codeletion and support the hypothesis that the cell of origin for gliomas with 1p19q codeletion could be a bi-potential progenitor cell, able to give rise to both neurons and oligodendrocytes.
  • [MeSH-major] Chromosome Deletion. Gene Expression Profiling. Gene Expression Regulation, Neoplastic. Neurons / metabolism. Oligodendroglioma / genetics
  • [MeSH-minor] Cluster Analysis. Genes, Neoplasm. Genome, Human / genetics. Humans. Immunohistochemistry. Intermediate Filament Proteins / metabolism. Neoplastic Stem Cells / pathology. Receptor, Epidermal Growth Factor / metabolism. Reproducibility of Results. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 18492260.001).
  • [ISSN] 1476-4598
  • [Journal-full-title] Molecular cancer
  • [ISO-abbreviation] Mol. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Intermediate Filament Proteins; 0 / alpha-internexin; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
  • [Other-IDs] NLM/ PMC2415112
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3. Idbaih A, Crinière E, Marie Y, Rousseau A, Mokhtari K, Kujas M, El Houfi Y, Carpentier C, Paris S, Boisselier B, Laigle-Donadey F, Thillet J, Sanson M, Hoang-Xuan K, Delattre JY: Gene amplification is a poor prognostic factor in anaplastic oligodendrogliomas. Neuro Oncol; 2008 Aug;10(4):540-7
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  • [Title] Gene amplification is a poor prognostic factor in anaplastic oligodendrogliomas.
  • Prognostic-genomic correlations testing simultaneously all these amplified genes have never been conducted in anaplastic oligodendrogliomas.
  • A set of 38 genes that have been reported to be amplified in gliomas and investigated as the main targets of amplicons were studied in a series of 52 anaplastic oligodendrogliomas using bacterial artificial chromosome-array based comparative genomic hybridization and quantitative polymerase chain reaction.
  • Among the 38 target genes, 15 were found to be amplified in at least one tumor.
  • Overall, 27% of anaplastic oligodendrogliomas exhibited at least one gene amplification.
  • The most frequently amplified genes were epidermal growth factor receptor (EGFR) and cyclin-dependent kinase 4/sarcoma amplified sequence (CDK4/SAS) in 17% and 8% of anaplastic oligodendrogliomas, respectively.
  • In uni- and multivariate analyses, gene amplification was a negative prognostic factor for progression-free survival and overall survival in anaplastic oligodendrogliomas, providing complementary information to the classic prognostic factors identified in anaplastic oligodendrogliomas (extent of surgery, KPS, and chromosome arms 1p/19q status).
  • [MeSH-major] Brain Neoplasms / genetics. Gene Amplification. Oligodendroglioma / genetics

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  • (PMID = 18544654.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC2666226
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4. Alexiou GA, Moschovi M, Georgoulis G, Neroutsou R, Stefanaki K, Sfakianos G, Prodromou N: Anaplastic oligodendrogliomas after treatment of acute lymphoblastic leukemia in children: report of 2 cases. J Neurosurg Pediatr; 2010 Feb;5(2):179-83
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  • [Title] Anaplastic oligodendrogliomas after treatment of acute lymphoblastic leukemia in children: report of 2 cases.
  • High-grade gliomas, meningiomas, and sarcomas are the most frequent neoplasms.
  • Secondary anaplastic oligodendrogliomas are exceedingly rare.
  • Five cases of pure anaplastic oligodendroglioma have been reported in the literature, and only 1 case was in a child after ALL treatment.
  • The authors present 2 cases of pediatric anaplastic oligodendroglioma after treatment of ALL.
  • [MeSH-major] Brain Neoplasms / etiology. Oligodendroglioma / etiology. Precursor T-Cell Lymphoblastic Leukemia-Lymphoma / complications. Precursor T-Cell Lymphoblastic Leukemia-Lymphoma / radiotherapy. Radiotherapy / adverse effects
  • [MeSH-minor] Child. Humans. Immunohistochemistry. Magnetic Resonance Imaging. Male. Neoplasm Proteins / biosynthesis. Neurosurgical Procedures. Treatment Outcome


5. Mauer ME, Taphoorn MJ, Bottomley A, Coens C, Efficace F, Sanson M, Brandes AA, van der Rijt CC, Bernsen HJ, Frénay M, Tijssen CC, Lacombe D, van den Bent MJ, EORTC Brain Cancer Group: Prognostic value of health-related quality-of-life data in predicting survival in patients with anaplastic oligodendrogliomas, from a phase III EORTC brain cancer group study. J Clin Oncol; 2007 Dec 20;25(36):5731-7
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  • [Title] Prognostic value of health-related quality-of-life data in predicting survival in patients with anaplastic oligodendrogliomas, from a phase III EORTC brain cancer group study.
  • PATIENTS AND METHODS: Baseline HRQOL scores (from the European Organisation for Research and Treatment of Cancer [EORTC] Quality of Life Questionnaire C30 and the EORTC Brain Cancer Module) were examined in 247 patients with anaplastic oligodendrogliomas to determine the relationship with overall survival by using Cox proportional hazards regression models.
  • [MeSH-major] Brain Neoplasms / mortality. Oligodendroglioma / mortality. Quality of Life

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  • (PMID = 18089867.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / 5U10CA11488-30; United States / NCI NIH HHS / CA / 5U10CA11488-31; United States / NCI NIH HHS / CA / 5U10CA11488-32; United States / NCI NIH HHS / CA / 5U10CA11488-33; United States / NCI NIH HHS / CA / 5U10CA11488-34
  • [Publication-type] Clinical Trial, Phase III; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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6. Quon H, Abdulkarim B: Adjuvant treatment of anaplastic oligodendrogliomas and oligoastrocytomas. Cochrane Database Syst Rev; 2008;(2):CD007104
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  • [Title] Adjuvant treatment of anaplastic oligodendrogliomas and oligoastrocytomas.
  • Outcomes analyzed include overall survival (OS), progression-free survival (PFS), and treatment toxicity greater than or equal to grade 3.
  • Based on the differences in patient selection with respect to the definition of AO (2 versus 3 high risk anaplastic features) and sequence of treatment (RT and chemotherapy), the results from the two RCTs were not able to be considered for meta-analysis.
  • Tumors with 1p and 19q co-deletions are associated with better OS and may indicate a more chemo-responsive tumor.
  • [MeSH-major] Astrocytoma / drug therapy. Brain Neoplasms / drug therapy. Oligodendroglioma / drug therapy

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  • [UpdateIn] Cochrane Database Syst Rev. 2014;5:CD007104 [24833028.001]
  • (PMID = 18425979.001).
  • [ISSN] 1469-493X
  • [Journal-full-title] The Cochrane database of systematic reviews
  • [ISO-abbreviation] Cochrane Database Syst Rev
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] England
  • [Number-of-references] 11
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7. Snuderl M, Eichler AF, Ligon KL, Vu QU, Silver M, Betensky RA, Ligon AH, Wen PY, Louis DN, Iafrate AJ: Polysomy for chromosomes 1 and 19 predicts earlier recurrence in anaplastic oligodendrogliomas with concurrent 1p/19q loss. Clin Cancer Res; 2009 Oct 15;15(20):6430-7
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  • [Title] Polysomy for chromosomes 1 and 19 predicts earlier recurrence in anaplastic oligodendrogliomas with concurrent 1p/19q loss.
  • PURPOSE: Loss of chromosome arms 1p and 19q is a molecular feature of oligodendroglial tumors characterized by responsiveness to chemotherapy and a favorable prognosis.
  • EXPERIMENTAL DESIGN: We analyzed 64 anaplastic oligodendrogliomas with 1p/19q loss or maintenance diagnosed at Massachusetts General Hospital and Brigham and Women's Hospital from 1996 to 2005; fluorescence in situ hybridization for 1p/19q and Ki-67 immunohistochemistry was done.
  • In agreement with previous studies, the group of anaplastic oligodendrogliomas with 1p/19q loss had significantly better progression-free survival and overall survival than anaplastic oligodendrogliomas with 1p/19q maintenance (P = 0.0009 and P < 0.0003, respectively).
  • Among anaplastic oligodendrogliomas with 1p/19q loss, those with polysomy showed shorter progression-free survival than those with 1p/19q loss without polysomy (P = 0.0048).
  • CONCLUSION: The presence of polysomy in anaplastic oligodendrogliomas with deletion of 1p/19q is a marker of earlier recurrence.

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  • (PMID = 19808867.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / CA057683-16; United States / NCI NIH HHS / CA / R01 CA057683; United States / NCI NIH HHS / CA / R01 CA057683-16
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ NIHMS160000; NLM/ PMC2818514
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8. Nutt CL, Betensky RA, Brower MA, Batchelor TT, Louis DN, Stemmer-Rachamimov AO: YKL-40 is a differential diagnostic marker for histologic subtypes of high-grade gliomas. Clin Cancer Res; 2005 Mar 15;11(6):2258-64
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] YKL-40 is a differential diagnostic marker for histologic subtypes of high-grade gliomas.
  • PURPOSE AND EXPERIMENTAL DESIGN: In modern neuro-oncology, no variable affects therapeutic decisions and prognostic estimation more than tumor classification.
  • We showed recently that class prediction models, based on gene expression profiles, classify diagnostically challenging malignant gliomas in a manner that better correlates with clinical outcome than standard pathology.
  • In the present study, we used immunohistochemistry to investigate YKL-40 protein expression in independent sets of glioblastomas and anaplastic oligodendrogliomas to determine whether this single marker can aid classification of these high-grade gliomas.
  • RESULTS AND CONCLUSIONS: Glioblastomas show strikingly more YKL-40 expression than anaplastic oligodendrogliomas.
  • Only 2 of 37 glioblastomas showed completely negative YKL-40 staining in both tumor cells and extracellular matrix, whereas 18 of 29 anaplastic oligodendrogliomas were completely negative in non-microgemistocytic tumor cells and extracellular matrix.
  • Tumor cell staining intensity was also markedly different: 84% of glioblastomas showed strong staining intensities of 2+ or 3+ whereas 76% of anaplastic oligodendrogliomas either did not stain or stained at only 1+.
  • YKL-40 staining provided a better class distinction of glioblastoma versus anaplastic oligodendroglioma than glial fibrillary acidic protein, the current standard immunohistochemical marker used to distinguish diagnostically challenging gliomas.
  • Moreover, a combination of YKL-40 and glial fibrillary acidic protein immunohistochemistry afforded even greater diagnostic accuracy in anaplastic oligodendrogliomas.
  • [MeSH-major] Biomarkers, Tumor / metabolism. Glioblastoma / diagnosis. Glioblastoma / metabolism. Glycoproteins / metabolism. Oligodendroglioma / diagnosis. Oligodendroglioma / metabolism
  • [MeSH-minor] Adipokines. Autoantigens / metabolism. Brain Neoplasms / diagnosis. Brain Neoplasms / metabolism. Diagnosis, Differential. Glial Fibrillary Acidic Protein / analysis. Humans. Immunoenzyme Techniques. Lectins. Neoplasm Staging. Prognosis

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  • (PMID = 15788675.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA 57683
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adipokines; 0 / Autoantigens; 0 / Biomarkers, Tumor; 0 / CHI3L1 protein, human; 0 / Glial Fibrillary Acidic Protein; 0 / Glycoproteins; 0 / Lectins
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9. Koschny R, Holland H, Koschny T, Vitzthum HE: Comparative genomic hybridization pattern of non-anaplastic and anaplastic oligodendrogliomas--a meta-analysis. Pathol Res Pract; 2006;202(1):23-30

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Comparative genomic hybridization pattern of non-anaplastic and anaplastic oligodendrogliomas--a meta-analysis.
  • Many oligodendrogliomas (ODG) have been investigated by comparative genomic hybridization (CGH).
  • To visualize characteristic aberration profiles of non-anaplastic in a comparison with anaplastic ODGs, we performed a meta-analysis of the CGH results of all 89 cases published so far.
  • The frequencies of each chromosomal band affected by a genetic imbalance were calculated for WHO grades II and III separately.
  • In non-anaplastic ODGs, -1p and -19q were the most prominent aberrations.
  • In anaplastic ODGs, +7, -4q, -9p, -10, and -15q emerged additionally.
  • Scrutinizing published putative progression markers of ODG, we found that only +7, -10, and -15q significantly correlated with a higher grade of malignancy.
  • Summing up, the expansion of the CGH results to the 850 GTG band resolution enabled a meta-analysis to visualize WHO grade-specific aberration profiles in ODG for the first time.
  • [MeSH-major] Chromosome Aberrations. Genetic Markers. Oligodendroglioma / classification. Oligodendroglioma / genetics

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  • (PMID = 16356658.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Journal Article; Meta-Analysis
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Genetic Markers
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10. van den Bent MJ, Carpentier AF, Brandes AA, Sanson M, Taphoorn MJ, Bernsen HJ, Frenay M, Tijssen CC, Grisold W, Sipos L, Haaxma-Reiche H, Kros JM, van Kouwenhoven MC, Vecht CJ, Allgeier A, Lacombe D, Gorlia T: Adjuvant procarbazine, lomustine, and vincristine improves progression-free survival but not overall survival in newly diagnosed anaplastic oligodendrogliomas and oligoastrocytomas: a randomized European Organisation for Research and Treatment of Cancer phase III trial. J Clin Oncol; 2006 Jun 20;24(18):2715-22
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Adjuvant procarbazine, lomustine, and vincristine improves progression-free survival but not overall survival in newly diagnosed anaplastic oligodendrogliomas and oligoastrocytomas: a randomized European Organisation for Research and Treatment of Cancer phase III trial.
  • PURPOSE: Anaplastic oligodendrogliomas are more responsive to chemotherapy than high-grade astrocytomas.
  • We investigated, in a multicenter randomized controlled trial, whether adjuvant procarbazine, lomustine, and vincristine (PCV) chemotherapy improves overall survival (OS) in newly diagnosed patients with anaplastic oligodendrogliomas or anaplastic oligoastrocytomas.
  • In the RT arm, 82% of patients with tumor progression received chemotherapy.
  • CONCLUSION: Adjuvant PCV chemotherapy does not prolong OS but does increase PFS in anaplastic oligodendroglioma.
  • Combined loss of 1p/19q identifies a favorable subgroup of oligodendroglial tumors.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Brain Neoplasms / drug therapy. Oligodendroglioma / drug therapy

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  • [CommentIn] Nat Clin Pract Oncol. 2007 Feb;4(2):78-9 [17228307.001]
  • [CommentIn] J Clin Oncol. 2006 Jun 20;24(18):2689-90 [16782906.001]
  • [CommentIn] Curr Neurol Neurosci Rep. 2007 May;7(3):189-90 [17488583.001]
  • [CommentIn] Nat Clin Pract Neurol. 2007 Jan;3(1):14-5 [17205067.001]
  • (PMID = 16782911.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase III; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 35S93Y190K / Procarbazine; 5J49Q6B70F / Vincristine; 7BRF0Z81KG / Lomustine; PCV protocol
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11. Taliansky-Aronov A, Bokstein F, Lavon I, Siegal T: Temozolomide treatment for newly diagnosed anaplastic oligodendrogliomas: a clinical efficacy trial. J Neurooncol; 2006 Sep;79(2):153-7
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Temozolomide treatment for newly diagnosed anaplastic oligodendrogliomas: a clinical efficacy trial.
  • PURPOSE: Chemotherapy with alkylating agents is of proven efficacy in recurrent anaplastic oligodendroglioma (AO) with reported response rates ranging between 50% and 70%.
  • This study evaluated the response and time to tumor progression of newly diagnosed AO initially treated with TMZ.
  • PATIENTS AND METHODS: Twenty patients with a median age of 47 (range: 26-65) received a median of 14 (range: 3-24) cycles of TMZ as their first modality of therapy following diagnosis of AO.
  • Treatment was given every 28 days for 5 days at a starting dose of 200 mg/m2/d and was continued for 24 cycles unless toxicity or tumor progression required withdrawal of TMZ.
  • The objective response rate was 75%, and median time to tumor progression was 24 months.
  • TMZ was well tolerated with only two events of grade 3/4 hematological toxicity.
  • [MeSH-major] Antineoplastic Agents, Alkylating / therapeutic use. Brain Neoplasms / drug therapy. Dacarbazine / analogs & derivatives. Oligodendroglioma / drug therapy

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  • (PMID = 16855865.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Alkylating; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide
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12. Yang LS, Huang FP, Zheng K, Zhang HS, Zhou X, Bao XH, Zheng JJ, Chang C, Zhou LF: Factors affecting prognosis of patients with intracranial anaplastic oligodendrogliomas: a single institutional review of 70 patients. J Neurooncol; 2010 Oct;100(1):113-20
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  • [Title] Factors affecting prognosis of patients with intracranial anaplastic oligodendrogliomas: a single institutional review of 70 patients.
  • Anaplastic oligodendroglioma (AO) is an uncommon intracranial tumor and prognosis is poor.
  • The patients younger than 50 years old and who received regular chemotherapy were likely to achieve a good outcome.
  • [MeSH-major] Brain Neoplasms / diagnosis. Oligodendroglioma / diagnosis

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  • (PMID = 20195700.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
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13. Idbaih A, Kouwenhoven M, Jeuken J, Carpentier C, Gorlia T, Kros JM, French P, Teepen JL, Delattre O, Delattre JY, van den Bent M, Hoang-Xuan K: Chromosome 1p loss evaluation in anaplastic oligodendrogliomas. Neuropathology; 2008 Aug;28(4):440-3
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  • [Title] Chromosome 1p loss evaluation in anaplastic oligodendrogliomas.
  • The chromosome (chr) 1p deletion is a favorable biomarker in oligodendroglial tumors and is even more powerful a marker when combined with chr 19q loss.
  • To illustrate the usefulness of evaluating multiple loci, we here report two anaplastic oligodendrogliomas that were investigated using fluorescent in situ hybridization (FISH) and bacterial artificial chromosome (BAC)-array-based comparative genomic hybridization (aCGH).
  • [MeSH-major] Brain Neoplasms / genetics. Chromosome Deletion. Chromosomes, Human, Pair 1 / genetics. Nucleic Acid Hybridization / methods. Oligodendroglioma / genetics
  • [MeSH-minor] Biomarkers, Tumor / genetics. Chromosomes, Artificial, Bacterial. Humans. In Situ Hybridization, Fluorescence. Middle Aged

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  • (PMID = 18312547.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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14. Wang M, Cairncross G, Shaw E, Jenkins R, Scheithauer B, Brachman D, Buckner J, Souhami L, Laperriere N, Mehta M, Curran W: Cognition and quality of life after chemotherapy plus radiotherapy (RT) vs. RT for pure and mixed anaplastic oligodendrogliomas: Radiation therapy oncology group trial 9402. J Clin Oncol; 2009 May 20;27(15_suppl):e20519

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Cognition and quality of life after chemotherapy plus radiotherapy (RT) vs. RT for pure and mixed anaplastic oligodendrogliomas: Radiation therapy oncology group trial 9402.
  • : e20519 Background: Radiation Therapy Oncology Group 9402 compared PCV chemotherapy plus radiation therapy (PCV+RT) versus RT alone for anaplastic oligodendroglioma.
  • For those who died, B-QOL scores declined slowly until the last year of life, then rapidly.

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  • (PMID = 27961031.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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15. Herndon J 2nd, Vredenburgh J, Reardon D, Desjardins A, Peters K, Gururangan S, Norfleet J, Friedman A, Bigner D, Friedman HS: Phase I trial of vendetanib and oral etoposide for recurrent malignant gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13016

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase I trial of vendetanib and oral etoposide for recurrent malignant gliomas.
  • : e13016 Background: Recurrent malignant gliomas have a poor prognosis, with a median survival of 6-15 months, with grade 4 glioblastomas more aggressive than grade 3 anaplastic astrocytomas or oligodendrogliomas.
  • We report a phase I trial of vandetanib in combination with oral etoposide for recurrent malignant glioma.
  • METHODS: Patients with histologically documented recurrent grade 3 or grade 4 malignant glioma were eligible.
  • There was more hematologic toxicity than expected, with 3/6 of the patients enrolled at dose level 1 developing grade 4 neutropenia.

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  • (PMID = 27962830.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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16. Lassman AB, Oligodendroglioma Study Group: Retrospective analysis of outcomes among more than 1,000 patients with newly diagnosed anaplastic oligodendroglial tumors. J Clin Oncol; 2009 May 20;27(15_suppl):2014

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Retrospective analysis of outcomes among more than 1,000 patients with newly diagnosed anaplastic oligodendroglial tumors.
  • : 2014 Background: Treatment of anaplastic oligodendroglial tumors is controversial.
  • METHODS: We retrospectively identified adults with newly diagnosed anaplastic oligodendroglioma (AO) or oligo-astrocytoma (AOA) seen at 17 medical centers from 1981-2007 exclusive of phase III or bone marrow transplant trials.

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  • (PMID = 27964586.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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17. Franceschi E, Tosoni A, Ermani M, Spagnolli F, La Torre L, Galzio RJ, Pozzati E, Talacchi A, Benevento F, Brandes AA: Impact of MGMT methylation status on 1p/19q intact anaplastic gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13003

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Impact of MGMT methylation status on 1p/19q intact anaplastic gliomas.
  • : e13003 Background: Chromosomes 1p/19q codeletion has been recognized as a prognostic and predictive factor in patients (pts) with grade 3 gliomas.
  • Non-codeleted (intact) anaplastic oligodendroglioma showed a survival comparable to that usually observed in pts with anaplastic astrocytomas; MGMT methylation status, moreover, has been found to be a prognostic factor in glioblastoma and anaplastic gliomas (AG).
  • We evaluated only pts who met the following inclusion criteria: age ≥ 18 years; PS 0-2; histological diagnosis of AG with 1p/19q intact, as determined by FISH analysis; treatment with postoperative radiotherapy (RT) and chemotherapy (CT); MGMT status determined using methylation specific PCR.
  • Histology was anaplastic oligodendroglioma in 17 pts, anaplastic oligoastrocytoma in 20 pts, and anaplastic astrocytoma in 30 pts; all these pts were 1p19q intact and received surgery, RT, and CT.
  • No enhancement at time of diagnosis (p = 0.003), gross total resection (p = 0.03), age (p = 0.001), and MGMT methylation (p = 0.05) were significantly correlated with better PFS.

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  • (PMID = 27962754.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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18. Kaley TJ, Raizer JJ, Paleologos N, Kewalramani T, Grimm S, Louis DN, Cairncross JG, Abrey LE: Phase II trial of temozolomide (TMZ) followed by myeloablative chemotherapy with autologous peripheral blood progenitor cell rescue (APBPCR) for newly diagnosed anaplastic oligodendroglioma: An Oligodendroglioma Study Group trial. J Clin Oncol; 2009 May 20;27(15_suppl):2055

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase II trial of temozolomide (TMZ) followed by myeloablative chemotherapy with autologous peripheral blood progenitor cell rescue (APBPCR) for newly diagnosed anaplastic oligodendroglioma: An Oligodendroglioma Study Group trial.
  • : 2055 Background: Treatment of anaplastic oligodendroglioma (AO) and anaplastic oligoastrocytomas (AOA) is controversial.
  • Patients with surgical gross total resection who maintained response or patients who responded to temozolomide (CR or PR defined as >50% reduction in tumor) were eligible for myeloablative chemotherapy with thiotepa 250mg/m2/day for three days followed by busulfan 3.2mg/kg/day for three days, followed by APBPCR.
  • RESULTS: 19 patients (16 AO, 2 AOA, 1 low-grade oligodendroglioma with radiographic features suggestive of high-grade tumor) with a median age of 42 (28-56) and KPS of 90 (70-100) were enrolled.
  • 2 of the 10 patients who underwent APBPCR recurred, one at 16.1 and one at 34.2 months.

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  • (PMID = 27964668.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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19. Desjardins A, Reardon DA, Gururangan S, Peters K, Threatt S, Friedman A, Friedman H, Vredenburgh J: Phase I trial combining SCH 66336 to temozolomide (TMZ) for patients with grade 3 or 4 malignant gliomas (MG). J Clin Oncol; 2009 May 20;27(15_suppl):e13004

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase I trial combining SCH 66336 to temozolomide (TMZ) for patients with grade 3 or 4 malignant gliomas (MG).
  • METHODS: Eligibility included: adult patients with stable or recurrent MG (GBM, anaplastic astrocytoma [AA], anaplastic oligodendroglioma [AO]) previously treated with radiation therapy (RT) and with or without chemotherapy; interval of at least two weeks between prior RT, or four weeks between prior chemotherapy; Karnofsky ≥ 60%; and adequate hematologic, renal and liver function.
  • Dose-limiting toxicities were: deep venous thrombosis (1 grade 3); nausea and vomiting (1 grade 3); diarrhea (1 grade 3); elevated ALT (1 grade 3); elevated creatinine (1 grade 3); and fatigue (1 grade 3).

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  • (PMID = 27962751.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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20. Kizilbash SH, Nadeau L: Patterns in the care of oligodendrogliomas and oligoastrocytomas: A single center experience. J Clin Oncol; 2009 May 20;27(15_suppl):e13034

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Patterns in the care of oligodendrogliomas and oligoastrocytomas: A single center experience.
  • : e13034 Background: Although rare, oligodendrogliomas (ODs) and oligoastrocytomas (OAs) have established a unique identity due to their sensitivity to chemotherapy, especially if they exhibit combined loss of heterozygosity (LOH) of 1p and 19q.
  • RESULTS: 31 patients had low-grade tumors (either ODs or OAs) while 17 had high grade tumors (anaplastic ODs or anaplastic OAs).
  • Of the low grade tumors, 35% had combined 1p/19q LOH.
  • As for the high grade tumors, 47% had combined 1p/19q LOH.
  • At a mean of 29 months of follow up, eight patients had tumor progression while 12 died.
  • Median progression free survival (MPFS) for patients receiving chemotherapy was increased in patients with combined 1p/19q LOH, for both low-grade tumors (34 vs. 20 months) and high-grade tumors (14 vs. 8 months).
  • Also, significantly more patients with low-grade tumors and combined 1p/19q LOH were offered chemotherapy when compared to those without 1p/19q LOH (64% vs 20%, p = 0.04, Fisher exact).
  • However, in patients with high-grade tumors, knowledge of 1p/19q LOH did not significantly impact the choice to administer chemotherapy (88% vs. 67%, p = 0.67).
  • CONCLUSIONS: Patients with ODs/OAs and combined 1p/19q LOH who have been treated with chemotherapy demonstrate increased MPFS when compared with those without this genotype.
  • Despite this, determination of 1p/19q LOH significantly affects physician choice to offer chemotherapy only in patients with low-grade tumors, but not in those with high-grade tumors.

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  • (PMID = 27962862.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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21. Wang M, Cairncross G, Shaw E, Jenkins R, Scheithauer B, Brachman D, Buckner J, Fink K, Souhami L, Laperriere N, Mehta M, Curran W, Radiation Therapy Oncology Group (RTOG), North Central Cancer Treatment Group (NCCTG), Southwest Oncology Group (SWOG), National Cancer Institute of Canada Clinical Trials Group (NCIC CTG), Eastern Cooperative Oncology Group (ECOG): Cognition and quality of life after chemotherapy plus radiotherapy (RT) vs. RT for pure and mixed anaplastic oligodendrogliomas: radiation therapy oncology group trial 9402. Int J Radiat Oncol Biol Phys; 2010 Jul 1;77(3):662-9
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Cognition and quality of life after chemotherapy plus radiotherapy (RT) vs. RT for pure and mixed anaplastic oligodendrogliomas: radiation therapy oncology group trial 9402.
  • PURPOSE: Radiation Therapy Oncology Group 9402 compared procarbazine, lomustine, and vincristine (PCV) chemotherapy plus radiation therapy (PCV + RT) vs. RT alone for anaplastic oligodendroglioma.
  • For those who died, MMSE scores remained stable initially, whereas B-QOL slowly declined; both declined rapidly in the last year of life and similarly between arms.

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  • [Copyright] (c) 2010 Elsevier Inc. All rights reserved.
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  • (PMID = 19783377.001).
  • [ISSN] 1879-355X
  • [Journal-full-title] International journal of radiation oncology, biology, physics
  • [ISO-abbreviation] Int. J. Radiat. Oncol. Biol. Phys.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / U10 CA037422-15; None / None / / U10 CA021661-30; United States / NCI NIH HHS / CA / U10 CA021661-31S1; United States / NCI NIH HHS / CA / U10 CA021661-27S2; None / None / / U10 CA021661-28S1; United States / NCI NIH HHS / CA / U10 CA021661-25; United States / NCI NIH HHS / CA / U10 CA037422-12; None / None / / U10 CA021661-27; United States / NCI NIH HHS / CA / U10 CA021661-28S1; United States / NCI NIH HHS / CA / U10 CA037422-19; None / None / / U10 CA021661-32S2; United States / NCI NIH HHS / CA / U10 CA021661-28; None / None / / U10 CA037422-19; None / None / / U10 CA037422-16; None / None / / U10 CA021661-25; United States / NCI NIH HHS / CA / U10 CA021661-32S4; United States / NCI NIH HHS / CA / U10 CA037422-20; United States / NCI NIH HHS / CA / U10 CA037422-22S1; United States / NCI NIH HHS / CA / U10 CA021661-32S1; None / None / / U10 CA037422-22; United States / NCI NIH HHS / CA / U10 CA021661-31; United States / NCI NIH HHS / CA / U10 CA021661-32; None / None / / U10 CA037422-15; None / None / / U10 CA021661-24; None / None / / U10 CA021661-27S1; United States / NCI NIH HHS / CA / U10 CA037422-18; None / None / / U10 CA021661-28; None / None / / U10 CA021661-32S3; None / None / / U10 CA021661-32S4; United States / NCI NIH HHS / CA / U10 CA021661-30; United States / NCI NIH HHS / CA / U10 CA037422-16; United States / NCI NIH HHS / CA / U10 CA037422-17; United States / NCI NIH HHS / CA / U10 CA021661-32S3; United States / NCI NIH HHS / CA / U10 CA021661-32S2; None / None / / U10 CA037422-21; United States / NCI NIH HHS / CA / U10 CA037422-21; None / None / / U10 CA021661-24S1; None / None / / U10 CA037422-17; None / None / / U10 CA021661-29; None / None / / U10 CA037422-12; None / None / / U10 CA021661-31S1; None / None / / U10 CA037422-14; None / None / / U10 CA021661-32; United States / NCI NIH HHS / CA / U10 CA037422-14; None / None / / U10 CA037422-22S1; United States / NCI NIH HHS / CA / U10 CA037422-21S1; None / None / / U10 CA037422-20; None / None / / U10 CA021661-31; None / None / / U10 CA021661-27S2; United States / NCI NIH HHS / CA / U10 CA021661-24; United States / NCI NIH HHS / CA / U10 CA021661-26; United States / NCI NIH HHS / CA / U10 CA021661-27S1; United States / NCI NIH HHS / CA / U10 CA021661-27; United States / NCI NIH HHS / CA / U10 CA021661-24S1; United States / NCI NIH HHS / CA / U10 CA037422-22; United States / NCI NIH HHS / CA / U10 CA037422-13; None / None / / U10 CA037422-13; None / None / / U10 CA037422-18; United States / NCI NIH HHS / CA / U10 CA021661-29; None / None / / U10 CA037422-21S1; None / None / / U10 CA021661-26; None / None / / U10 CA021661-32S1
  • [Publication-type] Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial
  • [Publication-country] United States
  • [Chemical-registry-number] 35S93Y190K / Procarbazine; 5J49Q6B70F / Vincristine; 7BRF0Z81KG / Lomustine
  • [Other-IDs] NLM/ NIHMS123692; NLM/ PMC2878934
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22. See SJ, Gilbert MR: Chemotherapy in adults with gliomas. Ann Acad Med Singapore; 2007 May;36(5):364-6

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  • Large clinical studies have provided important information on the impact of chemotherapy for anaplastic oligodendrogliomas in the upfront setting.
  • Investigations are also under way to clarify the role of chemotherapy for low-grade gliomas.
  • This review article summarises the recent developments and approaches in the use of chemotherapy to treat adult patients with astrocytomas and oligodendrogliomas.

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  • (PMID = 17549285.001).
  • [ISSN] 0304-4602
  • [Journal-full-title] Annals of the Academy of Medicine, Singapore
  • [ISO-abbreviation] Ann. Acad. Med. Singap.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Singapore
  • [Number-of-references] 37
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23. Marie Y, Carpentier AF, Omuro AM, Sanson M, Thillet J, Hoang-Xuan K, Delattre JY: EGFR tyrosine kinase domain mutations in human gliomas. Neurology; 2005 Apr 26;64(8):1444-5
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  • In this study, the authors tested the presence of such mutations in 95 gliomas including glioblastomas, anaplastic oligodendrogliomas, and low-grade gliomas.
  • [MeSH-minor] Astrocytoma / drug therapy. Astrocytoma / enzymology. Astrocytoma / genetics. Carcinoma / drug therapy. Carcinoma / enzymology. Carcinoma / genetics. DNA Mutational Analysis. Drug Resistance, Neoplasm / genetics. Genetic Testing. Glioblastoma / drug therapy. Glioblastoma / enzymology. Glioblastoma / genetics. Humans. Lung Neoplasms / drug therapy. Lung Neoplasms / enzymology. Lung Neoplasms / genetics. Oligodendroglioma / drug therapy. Oligodendroglioma / enzymology. Oligodendroglioma / genetics. Protein Kinase Inhibitors / pharmacology. Protein Kinase Inhibitors / therapeutic use. Protein Structure, Tertiary / genetics. Quinazolines / pharmacology. Quinazolines / therapeutic use

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  • (PMID = 15851741.001).
  • [ISSN] 1526-632X
  • [Journal-full-title] Neurology
  • [ISO-abbreviation] Neurology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Protein Kinase Inhibitors; 0 / Quinazolines; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; S65743JHBS / gefitinib
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24. Liu JG, Liu YH, Cai J, Liu XS, Song WZ, Huang Y, Mao Q: [Expression of epidermal growth factor receptor and PTEN in malignancy brain tumors]. Sichuan Da Xue Xue Bao Yi Xue Ban; 2006 Nov;37(6):868-71
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  • METHODS: Using immunohistochemistry to detect the expression of EGFR and PTEN and adopting confocal technology to verify their location in the specimens of 25 respectively glioblastoma multiformes, medulloblastomas, anaplastic oligodendrogliomas, and anaplastic ependymomas.
  • They were 36% and 8% in medulloblastomas, and 28% and 8% in anaplastic oligodendrogliomas, and 24% and 4% in anaplastic ependymomas.
  • PTEN mutation and EGFR overexpression are rare in medulloblastoma, anaplastic oligodendroglioma, and anaplastic ependymoma, so the EGFR or PTEN targeted antitumor approaches may be useful in glioblastoma multiformes but the other 3 tumors.

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  • (PMID = 17236582.001).
  • [ISSN] 1672-173X
  • [Journal-full-title] Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition
  • [ISO-abbreviation] Sichuan Da Xue Xue Bao Yi Xue Ban
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
  • [Chemical-registry-number] EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 3.1.3.67 / PTEN Phosphohydrolase
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25. Cartalat-Carel S, Chinot O, Honnorat J: [Place of chemotherapy and radiotherapy in the management of oligodendrogliomas]. Neurochirurgie; 2005 Sep;51(3-4 Pt 2):379-92
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  • [Title] [Place of chemotherapy and radiotherapy in the management of oligodendrogliomas].
  • Twenty years ago, the discovery of the chemosensitivity of anaplastic oligodendrogliomas considerably boosted interest for these tumors.
  • In spite of difficulties for histological diagnosis, numerous studies on radiotherapy and chemotherapy for oligodendrogliomas appeared these last years.
  • For low grade oligodendrogliomas, radiotherapy delays the anaplastic transformation, but does not modify the overall survival; its indication has to be discussed particularly in the absence of clinical symptoms.
  • Chemotherapy seems to be effective for low grade oligodendrogliomas as well as anaplastic tumors.
  • However, phase III studies are necessary to clarify the contribution of chemotherapy for the treatment of low grade oligodendrogliomas, mainly in relation to radiotherapy.
  • In anaplastic oligodendrogliomas, in spite of the lack of phase III studies, radiotherapy seems to be effective.
  • [MeSH-major] Brain Neoplasms / drug therapy. Brain Neoplasms / radiotherapy. Oligodendroglioma / drug therapy. Oligodendroglioma / radiotherapy
  • [MeSH-minor] Combined Modality Therapy. Humans. Neoplasm Staging. Survival Rate

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  • (PMID = 16292180.001).
  • [ISSN] 0028-3770
  • [Journal-full-title] Neuro-Chirurgie
  • [ISO-abbreviation] Neurochirurgie
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Number-of-references] 55
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26. Fernandez C, Maues de Paula A, Colin C, Quilichini B, Bouvier-Labit C, Girard N, Scavarda D, Lena G, Figarella-Branger D: Thalamic gliomas in children: an extensive clinical, neuroradiological and pathological study of 14 cases. Childs Nerv Syst; 2006 Dec;22(12):1603-10
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  • RESULTS: Our series included five pilocytic astrocytomas, seven oligodendrogliomas, and two glioblastomas.
  • Oligodendrogliomas frequently demonstrated an aspect of unilateral thalamic enlargement lacking or with slight contrast enhancement.
  • Anaplastic oligodendrogliomas and glioblastomas displayed a poor outcome, with a mean survival of 8 months after surgery.
  • CONCLUSION: Our series of pediatric thalamic gliomas clearly distinguishes pilocytic astrocytomas from anaplastic oligodendrogliomas regarding neuroimaging, pathology, and prognosis.
  • [MeSH-minor] Adolescent. Astrocytoma / diagnostic imaging. Astrocytoma / pathology. Astrocytoma / therapy. Child. Child, Preschool. Female. Glioblastoma / diagnostic imaging. Glioblastoma / pathology. Glioblastoma / therapy. Humans. Male. Oligodendroglioma / diagnostic imaging. Oligodendroglioma / pathology. Oligodendroglioma / therapy. Prognosis. Radiography. Survival Rate. Treatment Outcome

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  • (PMID = 16951965.001).
  • [ISSN] 0256-7040
  • [Journal-full-title] Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
  • [ISO-abbreviation] Childs Nerv Syst
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
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27. Roerig P, Nessling M, Radlwimmer B, Joos S, Wrobel G, Schwaenen C, Reifenberger G, Lichter P: Molecular classification of human gliomas using matrix-based comparative genomic hybridization. Int J Cancer; 2005 Oct 20;117(1):95-103
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • The different glioma types are associated with distinct genetic aberrations, which may provide useful information for tumor classification as well as prediction of prognosis and response to therapy.
  • To facilitate the molecular classification of gliomas, we established a genomic microarray that consists of bacterial artificial chromosome (BAC) and P1-derived artificial chromosome (PAC) clones representing tumor suppressor genes, proto-oncogenes and chromosomal regions frequently gained or lost in gliomas.
  • Furthermore, molecular classification based on matrix CGH data closely paralleled histological classification and was able to distinguish with few exceptions between diffuse astrocytomas and oligodendrogliomas, anaplastic astrocytomas and anaplastic oligodendrogliomas, anaplastic oligodendrogliomas and glioblastomas, as well as primary and secondary glioblastomas.
  • [MeSH-major] Brain Neoplasms / classification. DNA, Neoplasm / analysis. Glioma / classification. Nucleic Acid Hybridization

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  • [Copyright] Copyright (c) 2005 Wiley-Liss, Inc.
  • (PMID = 15880582.001).
  • [ISSN] 0020-7136
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA, Neoplasm
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28. Tews B, Felsberg J, Hartmann C, Kunitz A, Hahn M, Toedt G, Neben K, Hummerich L, von Deimling A, Reifenberger G, Lichter P: Identification of novel oligodendroglioma-associated candidate tumor suppressor genes in 1p36 and 19q13 using microarray-based expression profiling. Int J Cancer; 2006 Aug 15;119(4):792-800
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  • [Title] Identification of novel oligodendroglioma-associated candidate tumor suppressor genes in 1p36 and 19q13 using microarray-based expression profiling.
  • Loss of heterozygosity (LOH) on chromosomal arms 1p and 19q is the most common genetic alteration in oligodendroglial tumors and associated with response to radio- and chemotherapy as well as favorable prognosis.
  • Using microsatellite analysis, we previously identified the chromosomal regions 1p36.22-p36.31 and 19q13.3, as candidate tumor suppressor gene regions being commonly deleted in these tumors.
  • To identify genes within these regions that are downregulated in oligodendroglial tumors with LOH 1p/19q, we performed cDNA microarray-based RNA expression profiling of 35 gliomas with known allelic status on 1p and 19q, including 7 oligodendrogliomas and 8 diffuse astrocytomas of World Health Organization (WHO) grade II, as well as 14 anaplastic oligodendrogliomas and 6 anaplastic oligoastrocytomas of WHO grade III.
  • In addition, we found that the cytosolic phospholipase A2 (PLA2G4C) gene at 19q13.3 demonstrated significantly lower expression in anaplastic oligodendrogliomas (WHO grade III) when compared to well-differentiated oligodendrogliomas (WHO grade II).
  • Taken together, our study provides a set of interesting novel candidate genes that may play important roles in the pathogenesis of oligodendroglial tumors.
  • [MeSH-major] Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Gene Expression Profiling. Gene Expression Regulation, Neoplastic. Oligodendroglioma / genetics. Oligonucleotide Array Sequence Analysis. Tumor Suppressor Proteins / genetics

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  • [Copyright] Copyright 2006 Wiley-Liss, Inc.
  • (PMID = 16550607.001).
  • [ISSN] 0020-7136
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA, Complementary; 0 / Tumor Suppressor Proteins
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29. Hartmann C, von Deimling A: Molecular pathology of oligodendroglial tumors. Recent Results Cancer Res; 2009;171:25-49
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  • [Title] Molecular pathology of oligodendroglial tumors.
  • The term oligodendroglioma was created by Bailey, Cushing, and Bucy based on the observation that these tumors share morphological similarities with oligodendrocytes (Bailey and Cushing 1926; Bailey and Bucy 1929).
  • However, a convincing link between oligodendrocytes and oligodendrogliomas still needs to be shown.
  • Oligoastrocytomas or mixed gliomas are histologically defined by the presence of oligodendroglial and astrocytic components.
  • According to the WHO classification of brain tumors, oligodendroglial tumors are separated into oligodendrogliomas WHO grade II (OII), anaplastic oligodendrogliomas WHO grade III (OIII), oligoastrocytomas WHO grade II (OAII), anaplastic oligoastrocytomas WHO grade III (OAIII), and glioblastomas with oligodendroglioma component WHO grade IV (GBMo) (Louis et al. 2007).The perception of oligodendroglial tumors has changed in recent years.
  • The diagnosis of oligodendroglioma or oligoastrocytomas is made much more frequently than 10 years ago.
  • Treatment modalities have been advanced and novel concepts regarding the origin of oligodendroglial tumors have been developed.
  • This review focuses on recent developments with impact on the diagnosis and understanding of molecular mechanisms in oligodendroglial tumors.
  • [MeSH-major] Brain Neoplasms / genetics. Brain Neoplasms / pathology. Oligodendroglioma / genetics. Oligodendroglioma / pathology
  • [MeSH-minor] Chromosome Aberrations. Chromosomes, Human, Pair 1. Chromosomes, Human, Pair 19. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Genotype. Humans. Immunohistochemistry. Mutation. Prognosis. Tumor Suppressor Proteins / genetics

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  • (PMID = 19322536.001).
  • [ISSN] 0080-0015
  • [Journal-full-title] Recent results in cancer research. Fortschritte der Krebsforschung. Progrès dans les recherches sur le cancer
  • [ISO-abbreviation] Recent Results Cancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
  • [Number-of-references] 172
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30. Soichi O, Masanori N, Hideo T, Kazunori A, Nobuya I, Jun-ichi K: Clinical significance of ABCA2' a possible molecular marker for oligodendrogliomas. Neurosurgery; 2007 Apr;60(4):707-14; discussion 714
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinical significance of ABCA2' a possible molecular marker for oligodendrogliomas.
  • METHODS: To determine whether or not ABCA2 can distinguish oligodendrogliomas from astrocytic tumors, the authors investigated the expression of ABCA2 in a panel of 55 glioma tissues (13 oligodendrogliomas, nine anaplastic oligodendrogliomas, 12 anaplastic astrocytomas, and 21 glioblastomas) using real-time reverse-transcriptase polymerase chain reaction analysis, immunoblot analysis, and immunohistochemistry analysis.
  • The authors also compared the expression of Olig2, a recently identified marker for oligodendroglioma.
  • RESULTS: The relative expression level of ABCA2 messenger ribonucleic acid determined by real-time quantitative polymerase chain reaction is significantly higher (by a factor of five) in oligodendroglioma than in anaplastic astrocytoma or glioblastoma.
  • It was moderately increased in anaplastic oligodendrogliomas.
  • In immunohistochemical analysis, ABCA2 exhibited remarkable immunopositivity in 11 out of 13 oligodendrogliomas showing a granular pattern in the cytoplasm of tumor cells.
  • However, ABCA2 was completely negative in most anaplastic astrocytomas (75%) and glioblastomas (76%).
  • Anaplastic oligodendroglioma showed an intermediate pattern: strongly positive in two out of nine samples and negative in seven out of nine samples.
  • However, Olig2 was strongly positive in most anaplastic astrocytomas (83%) and glioblastomas (71%).
  • Although there was no difference in the detection of oligodendroglial tumors, the specificity (negative in astrocytic tumor) was significantly higher in ABCA2 than in Olig2.
  • CONCLUSION: These lines of evidence suggest that ABCA2 could be a molecular marker for oligodendroglioma.
  • [MeSH-major] ATP-Binding Cassette Transporters / metabolism. Biomarkers, Tumor / metabolism. Brain Neoplasms / metabolism. Neoplasm Proteins / metabolism. Oligodendroglioma / metabolism

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  • (PMID = 17415208.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / ABCA2 protein, human; 0 / Biomarkers, Tumor; 0 / Neoplasm Proteins
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31. Yokoo H, Tanaka Y, Nobusawa S, Nakazato Y, Ohgaki H: Immunohistochemical and ultrastructural characterization of brain tumors in S100beta-v-erbB transgenic rats. Neuropathology; 2008 Dec;28(6):591-8
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  • Among these, 30 rats had brain tumors, which were classified histologically as malignant glioma, anaplastic oligodendroglioma, and low-grade oligodendroglioma.
  • Six transgenic rats developed two different histologic types of brain tumor, which were considered to be of multiclonal origin, because of the lack of histological transitions.
  • Diffuse immunoreactivity for Olig2 and Nkx2.2 was observed in neoplastic cells in all seven anaplastic oligodendrogliomas and in all three low-grade oligodendrogliomas analyzed, but in none of 26 malignant gliomas.
  • Electron microscopy, carried out on four malignant gliomas and four anaplastic oligodendrogliomas, revealed the presence of intermediate filament bundles devoid of side arms, indicating glial differentiation.
  • The present study thus provides additional evidence that the brain tumors developing in S100beta-v-erbB transgenic rats are of glial origin, with or without oligodendroglial differentiation.
  • Reproducible development of three distinct histologic types of brain tumor in unique localizations may be explained by activation of the v-erbB transgene driven by the S100beta promoter in specific precursor cells during development of the brain.
  • [MeSH-minor] Animals. Basic Helix-Loop-Helix Transcription Factors / analysis. Female. Glial Fibrillary Acidic Protein / analysis. Glioma / chemistry. Glioma / ultrastructure. Homeodomain Proteins / analysis. Immunohistochemistry. Male. Microscopy, Electron. Nerve Tissue Proteins / analysis. Neuroglia / pathology. Oligodendroglioma / chemistry. Oligodendroglioma / ultrastructure. Rats. Rats, Transgenic. S100 Calcium Binding Protein beta Subunit. Transcription Factors / analysis

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  • (PMID = 18498286.001).
  • [ISSN] 1440-1789
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Basic Helix-Loop-Helix Transcription Factors; 0 / Glial Fibrillary Acidic Protein; 0 / Homeodomain Proteins; 0 / Nerve Growth Factors; 0 / Nerve Tissue Proteins; 0 / Nkx-2.2 homedomain protein; 0 / Olig2 protein, rat; 0 / Oncogene Proteins v-erbB; 0 / S100 Calcium Binding Protein beta Subunit; 0 / S100 Proteins; 0 / Transcription Factors
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32. McCarthy BJ, Propp JM, Davis FG, Burger PC: Time trends in oligodendroglial and astrocytic tumor incidence. Neuroepidemiology; 2008;30(1):34-44
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  • [Title] Time trends in oligodendroglial and astrocytic tumor incidence.
  • BACKGROUND: We hypothesized that the incidences of oligodendrogliomas, anaplastic oligodendrogliomas, and mixed gliomas have significantly increased from the early 1990 s forward, while the incidences of anaplastic and grade II astrocytic tumors have significantly decreased.
  • METHODS: Data for the years 1973-2004 from the Surveillance, Epidemiology and End Results (SEER) public-use data and for 1985-2004 from six collaborating registries of the Central Brain Tumor Registry of the US (CBTRUS) were obtained.
  • RESULTS: Using CBTRUS data, the incidences (per 100,000 person-years) of oligodendrogliomas (APC = 4.7), mixed gliomas (APC = 3.9) and anaplastic oligodendrogliomas (APC = 12.5) have all increased over time, while the incidences of astrocytoma not otherwise specified (APC = -8.1) and fibrillary astrocytoma (APC = -2.1) have decreased.
  • Restricting the analyses to later years (1992-2004) using SEER data shows the incidence of oligodendrogliomas leveling off (APC = 0.5), while joinpoint analyses demonstrate a decreasing trend after 1998.
  • CONCLUSIONS: This study has demonstrated that increases in oligodendroglial tumor incidence correspond to decreases in astrocytic tumor incidence over the same time period.
  • [MeSH-major] Astrocytoma / epidemiology. Brain Neoplasms / epidemiology. Glioma / epidemiology. Oligodendroglioma / epidemiology

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  • [Copyright] (c) 2008 S. Karger AG, Basel.
  • (PMID = 18259099.001).
  • [ISSN] 1423-0208
  • [Journal-full-title] Neuroepidemiology
  • [ISO-abbreviation] Neuroepidemiology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Switzerland
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33. Taphoorn MJ, van den Bent MJ, Mauer ME, Coens C, Delattre JY, Brandes AA, Sillevis Smitt PA, Bernsen HJ, Frénay M, Tijssen CC, Lacombe D, Allgeier A, Bottomley A, European Organisation for Research and Treatment of Cancer: Health-related quality of life in patients treated for anaplastic oligodendroglioma with adjuvant chemotherapy: results of a European Organisation for Research and Treatment of Cancer randomized clinical trial. J Clin Oncol; 2007 Dec 20;25(36):5723-30
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  • [Title] Health-related quality of life in patients treated for anaplastic oligodendroglioma with adjuvant chemotherapy: results of a European Organisation for Research and Treatment of Cancer randomized clinical trial.
  • PURPOSE: Little is known about the health-related quality of life (HRQOL) of patients treated for anaplastic oligodendrogliomas.
  • PATIENTS AND METHODS: Adult patients with anaplastic oligodendrogliomas received RT alone or RT plus PCV chemotherapy.
  • [MeSH-major] Brain Neoplasms / drug therapy. Oligodendroglioma / drug therapy. Quality of Life

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  • [CommentIn] J Clin Oncol. 2008 Apr 20;26(12):2061-2; author reply 2062 [18421064.001]
  • (PMID = 18089866.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / 5U10CA11488-30; United States / NCI NIH HHS / CA / 5U10CA11488-31; United States / NCI NIH HHS / CA / 5U10CA11488-32; United States / NCI NIH HHS / CA / 5U10CA11488-33; United States / NCI NIH HHS / CA / 5U10CA11488-34
  • [Publication-type] Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 35S93Y190K / Procarbazine; 5J49Q6B70F / Vincristine; 7BRF0Z81KG / Lomustine
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34. Potthast L, Chowdhary S, Pan E, Yu D, Zhu W, Brem S: The infiltrative, diffuse pattern of recurrence in patients with malignant gliomas treated with bevacizumab. J Clin Oncol; 2009 May 20;27(15_suppl):2057

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  • [Title] The infiltrative, diffuse pattern of recurrence in patients with malignant gliomas treated with bevacizumab.
  • Histologies included glioblastoma (GB), anaplastic astrocytomas (AA), anaplastic oligodendrogliomas (AO), anaplastic oligoastrocytomas (AOA), and low-grade astrocytomas.
  • It is unclear why the disparity among this subset of patients occurs, however, we hypothesize that this may once again highlight the distinct tumor biology among young glioma patients.

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  • (PMID = 27964663.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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35. Mitsuhashi T, Shimizu Y, Ban S, Ogawa F, Matsutani M, Shimizu M, Hirose T: Anaplastic oligodendroglioma: a case report with characteristic cytologic features, including minigemistocytes. Acta Cytol; 2007 Jul-Aug;51(4):657-60
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  • [Title] Anaplastic oligodendroglioma: a case report with characteristic cytologic features, including minigemistocytes.
  • BACKGROUND: Absolute criteria for grading oligodendrogliomas are somewhat poorly defined in contrast to those for grading astrocytic tumors, and cytologic features of anaplastic oligodendrogliomas have been poorly described.
  • Intraoperative smears of the tumor showed hypercellular, loosely cohesive cell clusters and single cells with nuclear pleomorphism, numerous apoptotic cells and no discernible fibrillary processes.
  • Cryostat sections showed cellular nests consisting of tumor cells with oval nuclei and clear cytoplasm.
  • These cells were proliferating in the finely reticulated vascular stroma, and the tumor had an infiltrative margin with areas of focal necrosis and numerous calcifications.
  • The diagnosis of anaplastic oligodendroglioma, World Health Organization grade 3, was made, and the results of fluorescence in situ hybridization (chromosome 1q deletion) supported the diagnosis.
  • CONCLUSION: Intraoperative diagnosis of anaplastic oligodendroglioma may not be easy but is possible with judicious consideration of several features: high cellularity, no fibrillary processes, nuclear atypia, pleomorphism, abundant apoptotic cells, occasional mitotic figures, coagulative necrosis, endothelial hyperplasia and characteristic conspicuous minigemistocytes.
  • [MeSH-major] Brain Neoplasms / pathology. Oligodendroglioma / pathology

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  • (PMID = 17718148.001).
  • [ISSN] 0001-5547
  • [Journal-full-title] Acta cytologica
  • [ISO-abbreviation] Acta Cytol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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36. Iun'pén V, Oliushin VE, Ulitin AIu, Maslova LN, Petrov AA: [Long-term results of treatment in patients with oligodendrogliomas and oligoastrocytomas of the cerebral hemispheres]. Zh Vopr Neirokhir Im N N Burdenko; 2008 Apr-Jun;(2):6-10; discussion 10-1
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  • [Title] [Long-term results of treatment in patients with oligodendrogliomas and oligoastrocytomas of the cerebral hemispheres].
  • BACKGROUND: the current approach to treating patients with cerebral oligodendrogliomas and oligoastrocytomas involves surgical treatment with the maximum tumor resection in reasonable ranges, by taking into account the anatomic and physiological availability, followed by chemo- and radiotherapy.
  • MATERIALS: the long-term results of treatment were analyzed in 80 patients with oligoglial tumors (oligodendrogliomas and oligoastrocytomas in 31 and 49 patients, respectively) treated at the A.L.
  • RESULTS: After complex therapy, the mean survival was 80.6 months in patients with oligodendrogliomas, 63.3 months in those with anaplastic oligoastrocytomas, and 42 months in those with anaplastic oligodendrogliomas.
  • [MeSH-major] Astrocytoma / therapy. Brain Neoplasms / therapy. Oligodendroglioma / therapy
  • [MeSH-minor] Adolescent. Adult. Antineoplastic Combined Chemotherapy Protocols / administration & dosage. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Combined Modality Therapy. Disease-Free Survival. Female. Humans. Male. Middle Aged. Neoplasm Staging. Radiation Dosage

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  • (PMID = 18720725.001).
  • [ISSN] 0042-8817
  • [Journal-full-title] Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko
  • [ISO-abbreviation] Zh Vopr Neirokhir Im N N Burdenko
  • [Language] rus
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Russia (Federation)
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37. Gresner SM, Liberski PP: [Significance and prospects of study on molecular alterations in oligodendrogliomas]. Neurol Neurochir Pol; 2007 Jul-Aug;41(4):333-9
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  • [Title] [Significance and prospects of study on molecular alterations in oligodendrogliomas].
  • Oligodendroglial tumours represent a type of tumours in which molecular alterations may become a significant prognostic factor.
  • Oligodendrogliomas show distinct genetic alterations, allowing us to distinguish them from other types of gliomas.
  • Conversely, allelic loss on chromosome 10q, observed in many anaplastic oligodendrogliomas, predicts rather poor outcome.
  • The present paper is a compilation of the newest information on the characteristics of the genetic alterations related to the clinical course of oligodendrogliomas, which seems to be important for the proper diagnostics and selection of the appropriate methods of treatment.
  • [MeSH-major] Brain Neoplasms / genetics. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Loss of Heterozygosity / genetics. Oligodendroglioma / genetics

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  • (PMID = 17874342.001).
  • [ISSN] 0028-3843
  • [Journal-full-title] Neurologia i neurochirurgia polska
  • [ISO-abbreviation] Neurol. Neurochir. Pol.
  • [Language] pol
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Poland
  • [Number-of-references] 33
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38. Kelly JJ, Blough MD, Stechishin OD, Chan JA, Beauchamp D, Perizzolo M, Demetrick DJ, Steele L, Auer RN, Hader WJ, Westgate M, Parney IF, Jenkins R, Cairncross JG, Weiss S: Oligodendroglioma cell lines containing t(1;19)(q10;p10). Neuro Oncol; 2010 Jul;12(7):745-55
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  • [Title] Oligodendroglioma cell lines containing t(1;19)(q10;p10).
  • Investigating the biology of oligodendroglioma and its characteristic combined deletion of chromosomal arms 1p and 19q, mediated by an unbalanced translocation, t(1;19)(q10;p10), has been hampered by the lack of cell lines that harbor these traits.
  • We grew cells from 2 anaplastic oligodendrogliomas in serum-free conditions.
  • Serial propagation and expansion led to the establishment of permanent cell lines that maintained the genetic signature of the parent oligodendrogliomas and displayed features of brain tumor stem cells in vitro.
  • One line was established from a treatment-naïve tumor and the other from a temozolomide resistant recurrent tumor.
  • These lines may be important tools for understanding the biology of oligodendrogliomas and the function of their defining genetic traits.
  • [MeSH-major] Brain Neoplasms / genetics. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Oligodendroglioma / genetics
  • [MeSH-minor] Cell Line, Tumor. Humans. Translocation, Genetic / genetics

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39. Wager M, Menei P, Guilhot J, Levillain P, Michalak S, Bataille B, Blanc JL, Lapierre F, Rigoard P, Milin S, Duthe F, Bonneau D, Larsen CJ, Karayan-Tapon L: Prognostic molecular markers with no impact on decision-making: the paradox of gliomas based on a prospective study. Br J Cancer; 2008 Jun 3;98(11):1830-8
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  • Univariate analysis was followed by multivariate analysis according to a Cox model. p14(ARF), p16(INK4A) and PTEN expressions, and 10p 10q23, 10q26 and 13q LOH for the entire cohort, hTERT expression for high-grade tumours, EGFR for glioblastomas, 10q26 LOH for grade III tumours and anaplastic oligodendrogliomas were found to be correlated with overall survival on univariate analysis and age and grade on multivariate analysis only.
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Cyclin-Dependent Kinase Inhibitor p16 / genetics. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Decision Making. Humans. Loss of Heterozygosity. Middle Aged. Multivariate Analysis. Prognosis. Promoter Regions, Genetic. Prospective Studies. Telomerase / genetics. Tumor Suppressor Proteins / genetics

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  • (PMID = 18506188.001).
  • [ISSN] 1532-1827
  • [Journal-full-title] British journal of cancer
  • [ISO-abbreviation] Br. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Cyclin-Dependent Kinase Inhibitor p16; 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 2.7.7.49 / TERT protein, human; EC 2.7.7.49 / Telomerase; EC 6.5.1.- / DNA Repair Enzymes
  • [Other-IDs] NLM/ PMC2410116
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40. Thal D, Xavier CP, Rosentreter A, Linder S, Friedrichs B, Waha A, Pietsch T, Stumpf M, Noegel A, Clemen C: Expression of coronin-3 (coronin-1C) in diffuse gliomas is related to malignancy. J Pathol; 2008 Mar;214(4):415-24
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  • Here, we present for the first time a detailed analysis of the expression pattern of coronin-3 in human brain tumours and demonstrate that coronin-3 expression correlates with malignant phenotype in diffuse gliomas.
  • High-grade gliomas, such as anaplastic astrocytomas, anaplastic oligodendrogliomas, anaplastic oligoastrocytomas and glioblastomas, show high numbers of tumour cells positive for coronin-3, while diffuse low-grade gliomas, such as diffuse astrocytomas, oligodendrogliomas and oligoastrocytomas, exhibit low numbers of coronin-3-positive tumour cells.
  • In order to explore and verify a contribution of coronin-3 to the malignant phenotype of diffuse gliomas, we employed an efficient shRNA-mediated coronin-3 knockdown in U373 and A172 human glioblastoma cells.
  • Together, our findings demonstrate evidence for a contribution of coronin-3 expression in the malignant progression of diffuse gliomas.
  • [MeSH-major] Biomarkers, Tumor / metabolism. Brain Neoplasms / metabolism. Glioma / metabolism. Microfilament Proteins / metabolism
  • [MeSH-minor] Astrocytes / metabolism. Cell Movement. Cell Proliferation. Extracellular Matrix / pathology. Humans. Matrix Metalloproteinases / metabolism. Neoplasm Invasiveness. Neoplasm Proteins / deficiency. Neoplasm Proteins / genetics. Neoplasm Proteins / metabolism. Neoplasm Proteins / physiology. Tumor Cells, Cultured

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  • (PMID = 18189330.001).
  • [ISSN] 0022-3417
  • [Journal-full-title] The Journal of pathology
  • [ISO-abbreviation] J. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Microfilament Proteins; 0 / Neoplasm Proteins; 145420-64-0 / coronin proteins; EC 3.4.24.- / Matrix Metalloproteinases
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41. Tanaka A: Imaging diagnosis and fundamental knowledge of common brain tumors in adults. Radiat Med; 2006 Jul;24(6):482-92
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  • [Title] Imaging diagnosis and fundamental knowledge of common brain tumors in adults.
  • For instance, genetic analysis is important for differentiating oligodendroglial tumors from astrocytic tumors, and the gene mutation predicts response to chemotherapy for anaplastic oligodendrogliomas.
  • Background factors such as hormones, history of cranial irradiation, and medications influence oncogenesis, tumor growth, and tumor appearances as seen by imaging modalities.
  • A differential diagnosis with knowledge of the above may have some advantages over diagnoses based on imaging findings alone.
  • [MeSH-major] Brain Neoplasms / diagnosis. Magnetic Resonance Imaging. Tomography, X-Ray Computed
  • [MeSH-minor] Adult. Glioma / diagnosis. Humans. Image Processing, Computer-Assisted. Japan / epidemiology. Meningioma / diagnosis. Neurilemmoma / diagnosis. Pituitary Neoplasms / diagnosis

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  • (PMID = 16958433.001).
  • [ISSN] 0288-2043
  • [Journal-full-title] Radiation medicine
  • [ISO-abbreviation] Radiat Med
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Japan
  • [Number-of-references] 31
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42. Laigle-Donadey F, Sanson M: [Pattern of care of high-grade gliomas]. Rev Prat; 2006 Oct 31;56(16):1779-86
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  • [Title] [Pattern of care of high-grade gliomas].
  • [Transliterated title] Prise en charge des gliomes de haut grade.
  • High grade gliomas are the most frequent and malignant primary brain tumours in adults.
  • Prognosis depends on age, performance status and histological grade.
  • Associated with symptomatic treatments, surgery, radiotherapy and chemotherapy represent the main weapons of the specific multidisciplinary therapy of malignant gliomas.
  • Surgery is necessary for histological diagnosis.
  • In malignant gliomas, surgery may improve survival in case of complete removal, and debulking provides an improvement of the quality of life and a symptomatic relief.
  • Radiation therapy has been shown to improve survival in malignant glioma.
  • The place of chemotherapy is growing not only for anaplastic oligodendrogliomas, more chemosensitive (particularly when they harbor 1p19q codeletions), but also for glioblastomas patients, which have been shown to benefit from radiotherapy plus concomitant and adjuvant temozolomide.
  • [MeSH-minor] Adrenal Cortex Hormones / administration & dosage. Adrenal Cortex Hormones / therapeutic use. Adult. Age Factors. Aged. Anticonvulsants / therapeutic use. Antineoplastic Agents, Alkylating / administration & dosage. Antineoplastic Agents, Alkylating / therapeutic use. Brain / pathology. Combined Modality Therapy. Dacarbazine / administration & dosage. Dacarbazine / analogs & derivatives. Dacarbazine / therapeutic use. Epilepsy / prevention & control. Forecasting. Genetic Markers. Glioblastoma / drug therapy. Glioblastoma / radiotherapy. Humans. Magnetic Resonance Imaging. Neoplasm Recurrence, Local / drug therapy. Oligodendroglioma / drug therapy. Prognosis. Quality of Life. Radiotherapy Dosage. Randomized Controlled Trials as Topic. Survival Analysis. Thromboembolism / prevention & control. Time Factors. Tomography, X-Ray Computed

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  • (PMID = 17315503.001).
  • [ISSN] 0035-2640
  • [Journal-full-title] La Revue du praticien
  • [ISO-abbreviation] Rev Prat
  • [Language] fre
  • [Publication-type] Comparative Study; English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Chemical-registry-number] 0 / Adrenal Cortex Hormones; 0 / Anticonvulsants; 0 / Antineoplastic Agents, Alkylating; 0 / Genetic Markers; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide
  • [Number-of-references] 19
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43. Hashiba T, Izumoto S, Kagawa N, Suzuki T, Hashimoto N, Maruno M, Yoshimine T: Expression of WT1 protein and correlation with cellular proliferation in glial tumors. Neurol Med Chir (Tokyo); 2007 Apr;47(4):165-70; discussion 170
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  • The expression of Wilms' tumor gene WT1 protein was investigated immunohistochemically in 73 glial tumors, including 60 astrocytic tumors, eight oligodendroglial tumors, and five ependymal tumors.
  • Almost all glioblastomas, anaplastic astrocytomas, anaplastic ependymomas, and anaplastic oligodendrogliomas expressed high levels of WT1 protein.
  • Histological examination found that WT1 protein was strongly expressed in the anaplastic portions and areas with perivascular proliferation and high cellularity, implying that WT1 gene might be important in glial tumor cell proliferation.
  • This study indicates that many malignant glial tumors are good candidates for cancer immunotherapy targeting WT1 protein and that WT1 protein expression could be used as a proliferation marker in glial tumors.

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  • (PMID = 17457020.001).
  • [ISSN] 0470-8105
  • [Journal-full-title] Neurologia medico-chirurgica
  • [ISO-abbreviation] Neurol. Med. Chir. (Tokyo)
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / WT1 Proteins
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44. Vogazianou AP, Chan R, Bäcklund LM, Pearson DM, Liu L, Langford CF, Gregory SG, Collins VP, Ichimura K: Distinct patterns of 1p and 19q alterations identify subtypes of human gliomas that have different prognoses. Neuro Oncol; 2010 Jul;12(7):664-78
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  • We studied the status of chromosomes 1 and 19 in 363 astrocytic and oligodendroglial tumors.
  • Whereas the predominant pattern of copy number abnormality was a concurrent loss of the entire 1p and 19q regions (total 1p/19q loss) among oligodendroglial tumors and partial deletions of 1p and/or 19q in astrocytic tumors, a subset of apparently astrocytic tumors also had total 1p/19q loss.
  • The presence of total 1p/19q loss was associated with longer survival of patients with all types of adult gliomas independent of age and diagnosis (P = .041).
  • Novel regions of homozygous deletion, including a part of DPYD (1p21.3) or the KLK cluster (19q13.33), were observed in anaplastic oligodendrogliomas.
  • Thus, we show that the copy number abnormalities of 1p and 19q in human gliomas are complex and have distinct patterns that are prognostically predictive independent of age and pathological diagnosis.
  • [MeSH-major] Brain Neoplasms / diagnosis. Brain Neoplasms / genetics. Chromosome Deletion. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Glioma / diagnosis. Glioma / genetics

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  • (PMID = 20164239.001).
  • [ISSN] 1523-5866
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / A6618; United Kingdom / Cancer Research UK / /
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2940668
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45. Viana-Pereira M, Lopes JM, Little S, Milanezi F, Basto D, Pardal F, Jones C, Reis RM: Analysis of EGFR overexpression, EGFR gene amplification and the EGFRvIII mutation in Portuguese high-grade gliomas. Anticancer Res; 2008 Mar-Apr;28(2A):913-20
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  • [Title] Analysis of EGFR overexpression, EGFR gene amplification and the EGFRvIII mutation in Portuguese high-grade gliomas.
  • BACKGROUND: Patients with malignant gliomas do not respond to any current therapy.
  • MATERIALS AND METHODS: EGFR overexpression, EGFRvIII mutation and EGFR amplification were determined by immunohistochemistry and chromogenic in situ hybridization (CISH) in 27 primary glioblastomas (GBM), 24 anaplastic oligodendrogliomas (AO) and four anaplastic oligoastrocytomas (AOA).
  • CONCLUSION: We characterized, for the first time, EGFR molecular alterations in Portuguese patients with malignant glioma and identified a subpopulation of patients presenting putative biomarkers for EGFR-based therapies.
  • [MeSH-minor] Adult. Aged. Female. Gene Amplification. Glioblastoma / genetics. Humans. Male. Middle Aged. Mutation. Oligodendroglioma / genetics. Portugal. Prognosis. Up-Regulation

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  • (PMID = 18507036.001).
  • [ISSN] 0250-7005
  • [Journal-full-title] Anticancer research
  • [ISO-abbreviation] Anticancer Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / epidermal growth factor receptor VIII; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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46. Xiang C, Sarid R, Cazacu S, Finniss S, Lee HK, Ziv-Av A, Mikkelsen T, Brodie C: Cloning and characterization of human RTVP-1b, a novel splice variant of RTVP-1 in glioma cells. Biochem Biophys Res Commun; 2007 Oct 26;362(3):612-8
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  • In contrast, RTVP-1 and RTVP-1b showed similar patterns of expression in astrocytic tumors; highly expressed in glioblastomas as compared to normal brains, low-grade astrocytomas and anaplastic oligodendrogliomas.
  • [MeSH-major] Brain Neoplasms / metabolism. Gene Expression Regulation, Neoplastic. Glioma / metabolism. Neoplasm Proteins / biosynthesis. Neoplasm Proteins / genetics. Nerve Tissue Proteins / biosynthesis. Nerve Tissue Proteins / genetics
  • [MeSH-minor] Alternative Splicing. Amino Acid Sequence. Base Sequence. Cell Line, Tumor. Cell Movement. Cell Proliferation. Cloning, Molecular. Humans. Molecular Sequence Data. Protein Isoforms. Tissue Distribution

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  • (PMID = 17825796.001).
  • [ISSN] 0006-291X
  • [Journal-full-title] Biochemical and biophysical research communications
  • [ISO-abbreviation] Biochem. Biophys. Res. Commun.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA-R21-96965; United States / NCI NIH HHS / CA / R24 CA095809
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / GLIPR1 protein, human; 0 / Neoplasm Proteins; 0 / Nerve Tissue Proteins; 0 / Protein Isoforms
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47. Dunlap SM, Celestino J, Wang H, Jiang R, Holland EC, Fuller GN, Zhang W: Insulin-like growth factor binding protein 2 promotes glioma development and progression. Proc Natl Acad Sci U S A; 2007 Jul 10;104(28):11736-41
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  • Our studies show that IGFBP2 coexpression results in progression to a higher-grade glioma in platelet-derived growth factor beta (PDGFB)-driven tumors.
  • These anaplastic oligodendrogliomas are characterized by increased cellularity, vascular proliferation, small regions of necrosis, increased mitotic activity, and increased activation of the Akt pathway.

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  • (PMID = 17606927.001).
  • [ISSN] 0027-8424
  • [Journal-full-title] Proceedings of the National Academy of Sciences of the United States of America
  • [ISO-abbreviation] Proc. Natl. Acad. Sci. U.S.A.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R01 CA098503; United States / NCI NIH HHS / CA / P30 CA016672; United States / NCI NIH HHS / CA / CA- 16672; United States / NCI NIH HHS / CA / R01 CA98503; United States / NIDDK NIH HHS / DK / 5 T90 DK070109-02; United States / NIDDK NIH HHS / DK / T90 DK070109
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Insulin-Like Growth Factor Binding Protein 2; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 3.6.5.2 / ras Proteins
  • [Other-IDs] NLM/ PMC1913900
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48. Abacioglu MU, Caglar HB, Yumuk PF, Akgun Z, Atasoy BM, Sengoz M: Efficacy of protracted dose-dense temozolomide (TMZ) in patients with progressive high-grade glioma. J Clin Oncol; 2009 May 20;27(15_suppl):e13018

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Efficacy of protracted dose-dense temozolomide (TMZ) in patients with progressive high-grade glioma.
  • : e13018 Background: The study was aimed to evaluate the efficacy of TMZ on a protracted dose-dense schedule after standard 5-day TMZ regimen in patients with progressive high-grade glioma.
  • METHODS: In this phase II prospective study, patients who had progression on standard 5-day TMZ for recurrence (group 1) or recurrence after concurrent radiotherapy+TMZ and ≥ 2 cycles of adjuvant TMZ (group 2) for high-grade glioma received TMZ 100 mg/m2× 21 q28 days until progression according to MacDonald's criteria.
  • The histopathology was glioblastoma in 18 and grade 3 glioma (anaplastic astrocytoma, anaplastic oligoastrocytoma or anaplastic oligodendroglioma) in 7.
  • Out of 80 cycles received there was no anemia; 5 (6%) grade 1, 8 (10%) grade 2, 2 (3%) grade 3 leucopenia; 1 (1%) grade 1, 2 (3%) grade 2, 1 (1%) grade 3, 1 (1%) grade 4 thrombocytopenia; 9 (11%) grade 1, 7 (9%) grade 2, 32 (40%) grade 3, and 11 (14%) grade 4 lymphopenia.
  • Study was terminated in 2 patients (one with grade 4 thrombocytopenia and the other with grade 4 hepatic toxicity).

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  • (PMID = 27962826.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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49. White ML, Zhang Y, Kirby P, Ryken TC: Can tumor contrast enhancement be used as a criterion for differentiating tumor grades of oligodendrogliomas? AJNR Am J Neuroradiol; 2005 Apr;26(4):784-90
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  • [Title] Can tumor contrast enhancement be used as a criterion for differentiating tumor grades of oligodendrogliomas?
  • BACKGROUND AND PURPOSE: The association of high-grade oligodendrogliomas with tumor contrast material enhancement on MR images has been reported.
  • Some authors have even used contrast enhancement as a criterion for their oligodendroglioma grading system.
  • The purpose of our study was to evaluate if tumor contrast enhancement is a specific finding for anaplastic oligodendroglioma.
  • METHODS: Pretreatment MR images of 24 oligodendrogliomas were reviewed retrospectively, and findings were compared with the histologic grade.
  • The presence or absence and the pattern of tumor contrast enhancement were evaluated qualitatively.
  • A contrast enhancement ratio (CER), a quantitative criterion, was calculated to assess the difference in degree of enhancement between the low-grade and anaplastic tumors.
  • Tumor grade was diagnosed at pathologic examination according to the World Health Organization classification system.
  • RESULTS: Contrast enhancement was noted in nine (56%) of 16 low-grade tumors and in five (62%) of eight anaplastic tumors.
  • The CERs were 2.12-40.88 (mean, 20.08) in low-grade tumors and were 3.20-62.52 (mean, 28.73) in anaplastic tumors (P > .05).
  • CONCLUSION: Tumor contrast enhancement was not statistically significantly different between the tumor groups.
  • We believe that the presence or absence of tumor contrast enhancement is not a specific finding for simply discriminating low-grade from anaplastic oligodendrogliomas.
  • [MeSH-major] Brain Neoplasms / pathology. Magnetic Resonance Imaging. Oligodendroglioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Diagnosis, Differential. Female. Humans. Male. Middle Aged. Retrospective Studies

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  • (PMID = 15814921.001).
  • [ISSN] 0195-6108
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
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50. McLendon RE, Herndon JE 2nd, West B, Reardon D, Wiltshire R, Rasheed BK, Quinn J, Friedman HS, Friedman AH, Bigner DD: Survival analysis of presumptive prognostic markers among oligodendrogliomas. Cancer; 2005 Oct 15;104(8):1693-9
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  • [Title] Survival analysis of presumptive prognostic markers among oligodendrogliomas.
  • BACKGROUND: Allelic losses of 1p and 19q arms correlate with the oligodendroglial phenotype as well as with sensitivity to radiotherapy and chemotherapy.
  • Furthermore, the DNA repair gene, methylguanine methyltransferase (MGMT), is diminished in 80% of oligodendroglial tumors and represents a possible mechanism for this therapeutic sensitivity.
  • However, the authors questioned the relevance of genetic testing and measuring MGMT levels in tumors that were diagnostic of oligodendroglioma.
  • METHODS: The authors performed a retrospective analysis of 1p, 19q, 9p21, TP53, and MGMT status in 46 patients with oligodendrogliomas to address any relations that may exist among these markers with regard to progression-free survival (PFS) and total survival.
  • RESULTS: The authors found that survival among patients with light microscopically diagnosed oligodendroglial tumors demonstrating LOH of 1p and 19q trended toward statistical significance (P = 0.102 and P = 0.058, respectively).
  • 9p21 LOH was significant as a predictor of PFS only among anaplastic oligodendrogliomas in this cohort (P = 0.033).
  • Low-level MGMT labeling index (LI) (< 20%) was noted in 86% of all oligodendroglial tumors.
  • MGMT levels were decreased in a majority of oligodendrogliomas.
  • [MeSH-major] Biomarkers, Tumor / analysis. Brain Neoplasms / mortality. O(6)-Methylguanine-DNA Methyltransferase / analysis. Oligodendroglioma / mortality. Tumor Suppressor Protein p53 / analysis
  • [MeSH-minor] Chromosomes, Human / genetics. Cohort Studies. Disease-Free Survival. Humans. In Situ Hybridization. Loss of Heterozygosity. Neoplasm Proteins. Prognosis. Retrospective Studies. Survival Rate

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  • [Copyright] Copyright 2005 American Cancer Society
  • (PMID = 16116609.001).
  • [ISSN] 0008-543X
  • [Journal-full-title] Cancer
  • [ISO-abbreviation] Cancer
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / 1P50 CA108786; United States / NCI NIH HHS / CA / 5R01 CA43722
  • [Publication-type] Comparative Study; Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Neoplasm Proteins; 0 / Tumor Suppressor Protein p53; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase
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51. Alonso ME, Bello MJ, Arjona D, Martinez-Glez V, de Campos JM, Isla A, Kusak E, Vaquero J, Gutierrez M, Sarasa JL, Rey JA: Real-time quantitative PCR analysis of gene dosages reveals gene amplification in low-grade oligodendrogliomas. Am J Clin Pathol; 2005 Jun;123(6):900-6
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  • [Title] Real-time quantitative PCR analysis of gene dosages reveals gene amplification in low-grade oligodendrogliomas.
  • Proto-oncogene amplification is an important alteration that is present in about 45% to 50% of high-grade human gliomas.
  • We studied this mechanism in 8 genes (cyclin-dependent kinase-4 [CDK4], MDM2, MDM4, renin-angiotensin system-1, ELF3, GAC1, human epidermal growth factor receptor-2, and platelet-derived growth factor receptor-A gene) in a series of 40 oligodendrogliomas (World Health Organization (WHO) grade II, 21; WHO grade III, 13; and WHO grade II-III oligoastrocytomas, 6) using real-time quantitative polymerase chain reaction.
  • By histopathologic grade, 67% of grade II oligodendrogliomas (14/21), 46% of grade III anaplastic oligodendrogliomas (6/13), and 50% of mixed oligoastrocytomas (3/6) were positive for amplification of at least 1 gene.
  • Our findings demonstrate gene amplification in low-grade samples indicating that it is an important alteration in the early steps of oligodendroglioma development and, therefore, might be considered a molecular mechanism leading to malignant progression toward anaplastic forms.
  • [MeSH-major] Brain Neoplasms / genetics. Gene Amplification. Gene Dosage. Oligodendroglioma / genetics. Proto-Oncogenes / genetics. Reverse Transcriptase Polymerase Chain Reaction
  • [MeSH-minor] Biomarkers, Tumor / analysis. Humans

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  • (PMID = 15899783.001).
  • [ISSN] 0002-9173
  • [Journal-full-title] American journal of clinical pathology
  • [ISO-abbreviation] Am. J. Clin. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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52. Kaneshiro D, Kobayashi T, Chao ST, Suh J, Prayson RA: Chromosome 1p and 19q deletions in glioblastoma multiforme. Appl Immunohistochem Mol Morphol; 2009 Dec;17(6):512-6
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  • CONTEXT: Deletions on chromosomes 1p and 19q have been shown to correlate with prognosis and chemosensitivity in anaplastic oligodendrogliomas.
  • OBJECTIVE: The purpose of this study was to identify patients with GBM who had evidence of 1p or 19q deletions by fluorescence in situ hybridization, and correlate these results with clinical findings and survival.
  • RESULT: Seventeen (5.1%) patients (9 males; mean age at diagnosis=61 y, range: 35 to 84 y) were found to have 1p deletions; 8 patients (47.1%) received chemotherapy and 13 patients received radiation therapy.
  • A control group of 20 patients (13 males; mean=60 y, range: 40 to 80 y) was selected, 8 patients (40%) of who received chemotherapy and 12 patients were known to have had radiation therapy.
  • In contrast to anaplastic oligodendrogliomas, 1p and 19q deletions alone were not found to improve survival of patients with GBM; however, when adjusted for age, sex, and chemotherapy, 19q deletions seem to negatively impact survival.

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  • (PMID = 19602970.001).
  • [ISSN] 1533-4058
  • [Journal-full-title] Applied immunohistochemistry & molecular morphology : AIMM
  • [ISO-abbreviation] Appl. Immunohistochem. Mol. Morphol.
  • [Language] ENG
  • [Publication-type] Journal Article
  • [Publication-country] United States
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53. Capelle L, Oei P, Teoh H, Hamilton D, Palmer D, Low I, Campbell G: Retrospective review of prognostic factors, including 1p19q deletion, in low-grade oligodendrogliomas and a review of recent published works. J Med Imaging Radiat Oncol; 2009 Jun;53(3):305-9
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  • [Title] Retrospective review of prognostic factors, including 1p19q deletion, in low-grade oligodendrogliomas and a review of recent published works.
  • The purpose of the present study was to investigate potential prognostic factors in low-grade oligodendrogliomas (LGOs), particularly 1p19q deletion, due to its proven prognostic significance in anaplastic oligodendrogliomas.
  • We carried out a retrospective review of patients with a histological diagnosis of LGO between 1990 and 2000 in Auckland and Wellington, New Zealand.
  • Univariate analysis of potential prognostic factors including 1p19q status, age, tumour size, tumour crossing midline, tumour enhancement, extent of surgery and seizures at diagnosis was carried out.
  • [MeSH-major] Brain Neoplasms. Oligodendroglioma

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  • (PMID = 19624298.001).
  • [ISSN] 1754-9485
  • [Journal-full-title] Journal of medical imaging and radiation oncology
  • [ISO-abbreviation] J Med Imaging Radiat Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't; Review
  • [Publication-country] Australia
  • [Number-of-references] 30
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54. Barbashina V, Salazar P, Holland EC, Rosenblum MK, Ladanyi M: Allelic losses at 1p36 and 19q13 in gliomas: correlation with histologic classification, definition of a 150-kb minimal deleted region on 1p36, and evaluation of CAMTA1 as a candidate tumor suppressor gene. Clin Cancer Res; 2005 Feb 1;11(3):1119-28
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  • [Title] Allelic losses at 1p36 and 19q13 in gliomas: correlation with histologic classification, definition of a 150-kb minimal deleted region on 1p36, and evaluation of CAMTA1 as a candidate tumor suppressor gene.
  • PURPOSE: Allelic loss at 1p is seen in 70% to 85% of oligodendrogliomas (typically in association with 19q allelic loss) and 20-30% of astrocytomas.
  • Because most 1p deletions in gliomas involve almost the entire chromosome arm, narrowing the region of the putative tumor suppressor gene has been difficult.
  • The latter group included both low-grade tumors (oligodendroglioma, diffuse astrocytoma, and "oligoastrocytoma") and high-grade tumors (anaplastic oligodendrogliomas, anaplastic astrocytomas, anaplastic oligoastrocytomas).
  • RESULTS: Allelic losses on 1p and 19q, either separately or combined, were more common in classic oligodendrogliomas than in either astrocytomas or oligoastrocytomas (P < 0.0001).
  • Classic oligodendrogliomas showed 1p loss in 35 of 42 (83%) cases, 19q loss in 28 of 39 (72%), and these were combined in 27 of 39 (69%) cases.
  • There was no significant difference in 1p/19q LOH status between low-grade and anaplastic oligodendrogliomas.
  • Although rare, 1p deletions were more often segmental in astrocytomas (5 of 6, 83%) than in oligodendrogliomas (3 of 35, 9%; P = 0.006).
  • Eleven tumors (6 oligodendrogliomas or having oligodendroglial components, 5 purely astrocytic) with small segmental 1p losses underwent further detailed LOH mapping.
  • All informative tumors in the oligodendroglial group and 2 of 3 informative astrocytomas showed LOH at 1p36.23, with a 150-kb MDR located between D1S2694 and D1S2666, entirely within the CAMTA1 transcription factor gene.
  • Relative to the latter, the expression level of CAMTA1 was low in oligodendroglial tumors and was further halved in cases with 1p deletion compared with those without 1p deletion (Mann-Whitney, P = 0.03).
  • CONCLUSIONS: Our data confirm the strong association of combined 1p/19q loss with classic oligodendroglioma histology and identify a very small segment of 1p36 located within CAMTA1 that was deleted in all oligodendroglial tumors with 1p LOH.
  • [MeSH-minor] Adult. Astrocytoma / genetics. Astrocytoma / pathology. Calcium-Binding Proteins / genetics. Chromosome Deletion. Chromosome Mapping. Expressed Sequence Tags. Gene Expression Profiling. Gene Expression Regulation, Neoplastic. Genes, Tumor Suppressor. Humans. Microsatellite Repeats. Mutation. Oligodendroglioma / genetics. Oligodendroglioma / pathology. Reverse Transcriptase Polymerase Chain Reaction. Trans-Activators / genetics

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  • (PMID = 15709179.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / CAMTA1 protein, human; 0 / Calcium-Binding Proteins; 0 / Trans-Activators
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55. Temel SG, Kahveci Z: Cyclooxygenase-2 expression in astrocytes and microglia in human oligodendroglioma and astrocytoma. J Mol Histol; 2009 Oct;40(5-6):369-77
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  • [Title] Cyclooxygenase-2 expression in astrocytes and microglia in human oligodendroglioma and astrocytoma.
  • For this purpose we employed dual immunohistochemistry for cox-2 and GFAP (astrocyte) or LCA-MAC (microglia-macrophage) in archival formalin-fixed, paraffin embedded human tissue diagnosed as oligodendroglioma and/or astrocytoma.
  • The results showed that cox-2 immunoreactivity is up-regulated in the neurons according to the tumor grade.
  • Most of the cox-2 immunoreactive glia were GFAP-positive in anaplastic oligodendrogliomas and at lesser extend in glioblastomas.
  • It may be speculated that the induction of cox-2 in microglia may contribute to the deleterious effects of prostanoids in cerebral edema formation during the progression of oligodendrogliomas.
  • [MeSH-major] Astrocytes / enzymology. Astrocytoma / enzymology. Cyclooxygenase 2 / metabolism. Microglia / enzymology. Oligodendroglioma / enzymology

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  • (PMID = 20052522.001).
  • [ISSN] 1567-2387
  • [Journal-full-title] Journal of molecular histology
  • [ISO-abbreviation] J. Mol. Histol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; EC 1.14.99.1 / Cyclooxygenase 2; EC 1.14.99.1 / PTGS2 protein, human; EC 3.1.3.48 / Antigens, CD45
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56. Jaeckle KA, Ballman KV, Rao RD, Jenkins RB, Buckner JC: Current strategies in treatment of oligodendroglioma: evolution of molecular signatures of response. J Clin Oncol; 2006 Mar 10;24(8):1246-52
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  • [Title] Current strategies in treatment of oligodendroglioma: evolution of molecular signatures of response.
  • Oligodendroglioma frequently (> or = 70%) responds to radiation and chemotherapy, and is the first CNS neoplasm in which a genetic signature (1p and 19q deletion) has been associated with outcome within the context of large clinical trials.
  • Current translational investigations focus on deletions or mutations of potential tumor suppressor genes, epigenetic alterations, amplification or mutation of growth factor and regulatory genes, and characterization of signaling events and regulatory protein expression.
  • The most compelling data has involved 1p and 19q loss, which is observed in over 50% of anaplastic oligodendrogliomas.
  • In two randomized phase III trials (Radiation Therapy Oncology Group 9402 and European Organisation for Research and Treatment of Cancer 26951), the addition of neoadjuvant or adjuvant procarbazine, lomustine, and vincristine (PCV; respectively) to radiotherapy did not produce superior survival as compared with radiotherapy alone.
  • However, it is unclear whether these deletions represent surrogate markers of a favorable biologic tumor behavior, or are predictive of outcome after specific treatment.
  • Future phase III trials are evaluating other chemotherapeutic and targeted agents, including temozolomide, and include correlative investigations of aberrant molecular events in these neoplasms, which may lead to future therapeutic strategies that are based on specific molecular signatures.
  • [MeSH-major] Central Nervous System Neoplasms / therapy. Oligodendroglioma / therapy

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  • (PMID = 16525179.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 68
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57. Shirahata M, Oba S, Iwao-Koizumi K, Saito S, Ueno N, Oda M, Hashimoto N, Ishii S, Takahashi JA, Kato K: Using gene expression profiling to identify a prognostic molecular spectrum in gliomas. Cancer Sci; 2009 Jan;100(1):165-72
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  • The expression levels of these genes in 152 gliomas (100 glioblastomas, 21 anaplastic astrocytomas, 19 diffuse astrocytomas, and 12 anaplastic oligodendrogliomas) were measured using adapter-tagged competitive polymerase chain reaction, a high-throughput reverse transcription-polymerase chain reaction technique.
  • The gene expression profiling identified clinically informative prognostic molecular features in astrocytic and oligodendroglial tumors that were more reliable than the traditional histological classification scheme.

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  • (PMID = 19038000.001).
  • [ISSN] 1349-7006
  • [Journal-full-title] Cancer science
  • [ISO-abbreviation] Cancer Sci.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
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58. Xiong J, Liu Y, Wang Y, Ke RH, Mao Y, Ye ZR: Chromosome 1p/19q status combined with expression of p53 protein improves the diagnostic and prognostic evaluation of oligodendrogliomas. Chin Med J (Engl); 2010 Dec;123(24):3566-73
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  • [Title] Chromosome 1p/19q status combined with expression of p53 protein improves the diagnostic and prognostic evaluation of oligodendrogliomas.
  • BACKGROUND: Our previous study confirmed that oligodendrogliomas had higher frequency of chromosome 1p/19q deletion.
  • In order to improve the diagnostic criteria and to predict the prognosis of oligodendroglioma patients, the status of chromosome 1p/19q deletion, the methylation of O(6)-methylguanine-DNA methyltransferase (MGMT), and the expression of p53 protein were evaluated and investigated in relation to patients' outcomes.
  • RESULTS: Both oligodendrogliomas and astrocytic gliomas exhibited frequent methylation of MGMT.
  • The expression of p53 protein was more frequently observed in patients without a 1p or 19q deletion in anaplastic oligodendrogliomas (P = 0.032, 0.025).
  • In low-grade oligodendrogliomas, methylation of MGMT was more frequent in patients with 1p/19q deletion than in patients with 1p/19q intact (P = 0.038).
  • Patients with oligodendrogliomas with 1p/19q loss of heterozygosity and p53-negative showed a longer progression-free survival.
  • CONCLUSION: Detection of chromosome 1p/19q status combined with p53 protein immunohistochemistry might be beneficial to improve the pathological diagnosis and to determine the prognosis of patients with oligodendrogliomas.
  • [MeSH-major] Brain Neoplasms / genetics. Chromosome Deletion. Chromosomes, Human, Pair 19. Oligodendroglioma / genetics. Tumor Suppressor Protein p53 / analysis
  • [MeSH-minor] Adolescent. Adult. Aged. Astrocytoma / genetics. Child. Chromosomes, Human, Pair 1. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Disease-Free Survival. Female. Gene Expression Regulation, Neoplastic. Humans. Loss of Heterozygosity. Male. Middle Aged. Prognosis. Tumor Suppressor Proteins / genetics

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  • (PMID = 22166632.001).
  • [ISSN] 0366-6999
  • [Journal-full-title] Chinese medical journal
  • [ISO-abbreviation] Chin. Med. J.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] China
  • [Chemical-registry-number] 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes; Chromosome 1, monosomy 1p
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59. Mohile NA, Forsyth P, Stewart D, Raizer JJ, Paleologos N, Kewalramani T, Louis DN, Cairncross JG, Abrey LE: A phase II study of intensified chemotherapy alone as initial treatment for newly diagnosed anaplastic oligodendroglioma: an interim analysis. J Neurooncol; 2008 Sep;89(2):187-93
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  • [Title] A phase II study of intensified chemotherapy alone as initial treatment for newly diagnosed anaplastic oligodendroglioma: an interim analysis.
  • BACKGROUND: Anaplastic oligodendrogliomas (AO) and anaplastic oligoastrocytomas (AOA) are currently treated with a combination of surgery, radiotherapy and chemotherapy.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Astrocytoma / therapy. Brain Neoplasms / therapy. Oligodendroglioma / therapy. Radiotherapy, Adjuvant / methods

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  • (PMID = 18458821.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 35S93Y190K / Procarbazine; 5J49Q6B70F / Vincristine; 7BRF0Z81KG / Lomustine; 905Z5W3GKH / Thiotepa; G1LN9045DK / Busulfan
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60. Figarella-Branger D, Bouvier C: [Histological classification of human gliomas: state of art and controversies]. Bull Cancer; 2005 Apr;92(4):301-9
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  • The aim is to define the histological type of glioma (astrocytic, oligodendrocytic or mixed) and the grade in order to classify the patients and give them an accurate treatment.
  • Although the standard remains the WHO classification, this classification suffered from lack of reproducibility among pathologists.
  • According to the WHO classification, infiltrative gliomas encompass astrocytic gliomas (diffuse astrocytomas grade II, anaplastic astrocytomas grade III and glioblastomas grade IV), oligodendroglial tumours (oligodendrogliomas grade II, anaplastic oligodendrogliomas grade III) and mixed gliomas (oligoastrocytomas grade II and anaplastic oligoastrocytomas grade III).
  • Circumscribed gliomas mainly corresponds to pilocytic astrocytomas (grade I).
  • Three distinct tumour growth patterns may be seen in gliomas, type I: tumor tissue only, type II: tumour tissue and isolated tumor cells permeating the brain parenchyma (ITC) and type III: ITCs only and no tumor tissue.
  • According to the Sainte Anne classification, gliomas are divided into astrocytic gliomas (pilocytic astrocytomas, structure type I, glioblastomas structure type II) and oligodendrogliomas and mixed oligoastrocytomas (grade A: lack of contrast enhancement and lack of endothelial hyperplasia, structure type III; and grade B: contrast enhancement or endothelial hyperplasia, structure type II and III).
  • [MeSH-minor] Astrocytoma / pathology. Humans. Neoplasms, Complex and Mixed / classification. Neoplasms, Complex and Mixed / pathology. Oligodendroglioma / pathology. Reproducibility of Results. World Health Organization

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  • (PMID = 15888386.001).
  • [ISSN] 1769-6917
  • [Journal-full-title] Bulletin du cancer
  • [ISO-abbreviation] Bull Cancer
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] France
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61. Möllemann M, Wolter M, Felsberg J, Collins VP, Reifenberger G: Frequent promoter hypermethylation and low expression of the MGMT gene in oligodendroglial tumors. Int J Cancer; 2005 Jan 20;113(3):379-85
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  • [Title] Frequent promoter hypermethylation and low expression of the MGMT gene in oligodendroglial tumors.
  • Allelic losses on the chromosome arms 1p and 19q have been associated with favorable response to chemotherapy and good prognosis in anaplastic oligodendroglioma patients, but the molecular mechanisms responsible for this relationship are as yet unknown.
  • The DNA repair enzyme O(6)-methylguanine DNA methyltransferase (MGMT) may cause resistance to DNA-alkylating drugs commonly used in the treatment of anaplastic oligodendrogliomas and other malignant gliomas.
  • We report on the analysis of 52 oligodendroglial tumors for MGMT promoter methylation, as well as mRNA and protein expression.
  • Similarly, immunohistochemical analysis showed either no or only small fractions of MGMT positive tumor cells.
  • Taken together, our data suggest that MGMT hypermethylation and low or absent expression are frequent in oligodendroglial tumors and likely contribute to the chemosensitivity of these tumors.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. DNA Methylation. O(6)-Methylguanine-DNA Methyltransferase / genetics. Oligodendroglioma / genetics. Promoter Regions, Genetic / genetics

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  • (PMID = 15455350.001).
  • [ISSN] 0020-7136
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / RNA, Messenger; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase
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62. Barnett JA, Urbauer DL, Murray GI, Fuller GN, Heimberger AB: Cytochrome P450 1B1 expression in glial cell tumors: an immunotherapeutic target. Clin Cancer Res; 2007 Jun 15;13(12):3559-67
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  • A significant difference existed in percentage and intensity of staining between astrocytic and oligodendroglial tumors (P = 0.0002 and 0.0003, respectively), between grades of tumors (P < 0.0001 and 0.0079), and between pathologic types of tumors (P < 0.0001 and 0.0339).
  • Positive CYP1B1 staining was seen in 81% of glioblastomas, 84% of anaplastic astrocytomas, 61% of oligodendrogliomas, and 67% of anaplastic oligodendrogliomas.
  • Paradoxically, within specific tumor pathologies, there was a trend toward increased survival as CYP1B1 expression increased.
  • [MeSH-major] Biomarkers, Tumor / analysis. Brain Neoplasms / metabolism. Cytochrome P-450 Enzyme System / biosynthesis. Gene Expression. Glioma / metabolism

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  • (PMID = 17575219.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 9035-51-2 / Cytochrome P-450 Enzyme System; EC 1.14.14.1 / Aryl Hydrocarbon Hydroxylases; EC 1.14.14.1 / CYP1B1 protein, human; EC 1.14.14.1 / Cytochrome P-450 CYP1B1
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63. Sonoda Y, Kumabe T, Nakamura T, Saito R, Kanamori M, Yamashita Y, Suzuki H, Tominaga T: Analysis of IDH1 and IDH2 mutations in Japanese glioma patients. Cancer Sci; 2009 Oct;100(10):1996-8
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  • We analyzed the genomic region spanning wild-type R132 of IDH1 by direct sequencing in 125 glial tumors.
  • In the present study, R172 mutation of the IDH2 gene was detected in one anaplastic astrocytoma.
  • IDH1 or IDH2 mutations were frequently in oligodendrogliomas (67%), anaplastic astrocytomas (62%), anaplastic oligoastrocytomas (75%), anaplastic oligodendrogliomas (50%), secondary glioblastomas (67%), gangliogliomas (38%), and anaplastic gangliogliomas (60%).
  • Mutations of the IDH1 or IDH2 genes were significantly associated with improved outcome in patients with anaplastic astrocytomas.
  • Our data suggest that IDH1 or IDH2 mutation plays a role in early tumor progression of several types of glioma and might arise from a common glial precursor.
  • [MeSH-major] Biomarkers, Tumor / genetics. Brain Neoplasms / genetics. Glioma / genetics. Isocitrate Dehydrogenase / genetics

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  • (PMID = 19765000.001).
  • [ISSN] 1349-7006
  • [Journal-full-title] Cancer science
  • [ISO-abbreviation] Cancer Sci.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 1.1.1.41 / Isocitrate Dehydrogenase; EC 1.1.1.41 / isocitrate dehydrogenase 2, human; EC 1.1.1.42. / IDH1 protein, human
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64. Dunbar EM: The role of chemotherapy for pure and mixed anaplastic oligodendroglial tumors. Curr Treat Options Oncol; 2009 Aug;10(3-4):216-30
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  • [Title] The role of chemotherapy for pure and mixed anaplastic oligodendroglial tumors.
  • Pure and mixed anaplastic oligodendrogliomas (AO/mixed-AOs) remain terminal primary brain tumors, without a defined optimal initial therapy, and without sufficiently active and tolerable therapies at recurrence/progression (R/P).
  • Partly secondary to biases regarding the relative toxicities of tumor burden vs. treatment effect, therapy remains highly individualized.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Brain Neoplasms / drug therapy. Oligodendroglioma / drug therapy

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  • (PMID = 19381820.001).
  • [ISSN] 1534-6277
  • [Journal-full-title] Current treatment options in oncology
  • [ISO-abbreviation] Curr Treat Options Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Genetic Markers
  • [Number-of-references] 44
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65. Kim L, Glantz M: Chemotherapeutic options for primary brain tumors. Curr Treat Options Oncol; 2006 Nov;7(6):467-78
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  • Malignant gliomas are the most common primary brain tumors.
  • Surgery and radiation remain the primary modalities of therapy for malignant brain tumors.
  • The role of chemotherapy in malignant gliomas, especially glioblastoma multiforme, has been inconclusive.
  • In addition to this encouraging progress, recent experience has shown that selected malignant brain tumors--for example, anaplastic oligodendrogliomas, primary central nervous system lymphomas, medulloblastomas, and intracranial germ cell tumors--are often highly responsive to chemotherapy.
  • Molecular genetic studies are becoming indispensable aids in the diagnosis and treatment of the malignant gliomas.
  • For example, we have learned that allelic loss of chromosome 1p is a significant predictor of chemosensitivity, whereas combined loss of chromosomes 1p and 19q is a strong predictor of chemosensitivity, progression-free survival, and overall survival in patients with anaplastic oligodendroglioma.

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  • (PMID = 17032559.001).
  • [ISSN] 1527-2729
  • [Journal-full-title] Current treatment options in oncology
  • [ISO-abbreviation] Curr Treat Options Oncol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 50
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66. Hartmann C, Meyer J, Balss J, Capper D, Mueller W, Christians A, Felsberg J, Wolter M, Mawrin C, Wick W, Weller M, Herold-Mende C, Unterberg A, Jeuken JW, Wesseling P, Reifenberger G, von Deimling A: Type and frequency of IDH1 and IDH2 mutations are related to astrocytic and oligodendroglial differentiation and age: a study of 1,010 diffuse gliomas. Acta Neuropathol; 2009 Oct;118(4):469-74
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Type and frequency of IDH1 and IDH2 mutations are related to astrocytic and oligodendroglial differentiation and age: a study of 1,010 diffuse gliomas.
  • Somatic mutations in the IDH1 gene encoding cytosolic NADP+-dependent isocitrate dehydrogenase have been shown in the majority of astrocytomas, oligodendrogliomas and oligoastrocytomas of WHO grades II and III.
  • Preliminary data suggest an importance of IDH1 mutation for prognosis showing that patients with anaplastic astrocytomas, oligodendrogliomas and oligoastrocytomas harboring IDH1 mutations seem to fare much better than patients without this mutation in their tumors.
  • We found 165 IDH1 (72.7%) and 2 IDH2 mutations (0.9%) in 227 diffuse astrocytomas WHO grade II, 146 IDH1 (64.0%) and 2 IDH2 mutations (0.9%) in 228 anaplastic astrocytomas WHO grade III, 105 IDH1 (82.0%) and 6 IDH2 mutations (4.7%) in 128 oligodendrogliomas WHO grade II, 121 IDH1 (69.5%) and 9 IDH2 mutations (5.2%) in 174 anaplastic oligodendrogliomas WHO grade III, 62 IDH1 (81.6%) and 1 IDH2 mutations (1.3%) in 76 oligoastrocytomas WHO grade II and 117 IDH1 (66.1%) and 11 IDH2 mutations (6.2%) in 177 anaplastic oligoastrocytomas WHO grade III.
  • We report on an inverse association of IDH1 and IDH2 mutations in these gliomas and a non-random distribution of the mutation types within the tumor entities.
  • IDH1 mutations of the R132C type are strongly associated with astrocytoma, while IDH2 mutations predominantly occur in oligodendroglial tumors.
  • In addition, patients with anaplastic glioma harboring IDH1 mutations were on average 6 years younger than those without these alterations.
  • [MeSH-minor] Adult. Age Factors. Brain / pathology. Cell Differentiation. DNA Mutational Analysis. Female. Humans. Male. Middle Aged. Mutation. Prognosis. Tumor Cells, Cultured

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  • (PMID = 19554337.001).
  • [ISSN] 1432-0533
  • [Journal-full-title] Acta neuropathologica
  • [ISO-abbreviation] Acta Neuropathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] EC 1.1.1.41 / Isocitrate Dehydrogenase
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67. Chamberlain MC, Chowdhary SA, Glantz MJ: Anaplastic astrocytomas: biology and treatment. Expert Rev Neurother; 2008 Apr;8(4):575-86
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  • [Title] Anaplastic astrocytomas: biology and treatment.
  • Anaplastic astrocytomas (AA), WHO grade III gliomas, comprise 10-15% of all glial neoplasms.
  • The most important predictor of response to therapy and survival in AA tumors is the presence or absence of the 1p19q co-deletion, a translocation that defines a subset of oligodendroglial tumors, and anaplastic oligodendrogliomas in particular.
  • [MeSH-major] Astrocytoma / diagnosis. Astrocytoma / therapy. Brain Neoplasms / diagnosis. Brain Neoplasms / therapy. Clinical Trials as Topic

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  • (PMID = 18416660.001).
  • [ISSN] 1744-8360
  • [Journal-full-title] Expert review of neurotherapeutics
  • [ISO-abbreviation] Expert Rev Neurother
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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68. Jin YH, Jung S, Jin SG, Jung TY, Moon KS, Kim IY: GRIM-19 Expression and Function in Human Gliomas. J Korean Neurosurg Soc; 2010 Jul;48(1):20-30

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  • OBJECTIVE: We determined whether the expression of GRIM-19 is correlated with pathologic types and malignant grades in gliomas, and determined the function of GRIM-19 in human gliomas.
  • METHODS: Tumor tissues were isolated and frozen at -80 just after surgery.
  • The tissues consisted of normal brain tissue (4), astrocytomas (2), anaplastic astrocytomas (2), oligodendrogliomas (13), anaplastic oligodendrogliomas (11), and glioblastomas (16).
  • To profile tumor-related genes, we applied RNA differential display using a Genefishing DEG kit, and validated the tumor-related genes by reverse transcription polymerase chain reaction (RT-PCR).
  • The morphologic and cytoskeletal changes were examined via light and confocal microscopy.
  • RESULTS: Based on RT-PCR analysis, the expression of GRIM-19 was higher in astrocytic tumors than oligodendroglial tumors.
  • The expression of GRIM-19 was higher in high-grade tumors than low-grade tumors or normal brain tissue; glioblastomas showed the highest expression.
  • The antisense-transfection cells became smaller and rounder compared with wild type U343MG-A.

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  • (PMID = 20717508.001).
  • [ISSN] 1598-7876
  • [Journal-full-title] Journal of Korean Neurosurgical Society
  • [ISO-abbreviation] J Korean Neurosurg Soc
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Korea (South)
  • [Other-IDs] NLM/ PMC2916144
  • [Keywords] NOTNLM ; Cell line / GRIM-19 / Gene Fishing / Glioblastoma / Human glioma
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69. Dickinson PJ, Roberts BN, Higgins RJ, Leutenegger CM, Bollen AW, Kass PH, LeCouteur RA: Expression of receptor tyrosine kinases VEGFR-1 (FLT-1), VEGFR-2 (KDR), EGFR-1, PDGFRalpha and c-Met in canine primary brain tumours. Vet Comp Oncol; 2006 Sep;4(3):132-40
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  • Increased expression of VEGFR-1 and VEGFR-2 mRNA was greatest in grade IV astrocytomas (glioblastoma multiforme) and grade III (anaplastic) oligodendrogliomas.
  • EGFR-1 mRNA expression was more consistently increased than the other receptors in all tumour types, while increased PDGFRa mRNA expression was mostly restricted to oligodendrogliomas.


70. Bax DA, Gaspar N, Little SE, Marshall L, Perryman L, Regairaz M, Viana-Pereira M, Vuononvirta R, Sharp SY, Reis-Filho JS, Stávale JN, Al-Sarraj S, Reis RM, Vassal G, Pearson AD, Hargrave D, Ellison DW, Workman P, Jones C: EGFRvIII deletion mutations in pediatric high-grade glioma and response to targeted therapy in pediatric glioma cell lines. Clin Cancer Res; 2009 Sep 15;15(18):5753-61
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  • [Title] EGFRvIII deletion mutations in pediatric high-grade glioma and response to targeted therapy in pediatric glioma cell lines.
  • We have sought to clarify the role of EGFR in pediatric high-grade glioma (HGG).
  • No kinase or extracellular domain mutations were observed; however, 6 of 35 (17%) cases harbored the EGFRvIII deletion, including two anaplastic oligodendrogliomas and a gliosarcoma overexpressing EGFRvIII in the absence of gene amplification and coexpressing platelet-derived growth factor receptor alpha.
  • Pediatric glioblastoma cells transduced with wild-type or deletion mutant EGFRvIII were not rendered more sensitive to erlotinib despite expressing wild-type PTEN.
  • [MeSH-minor] Adolescent. Blotting, Western. Cell Proliferation / drug effects. Child. Erlotinib Hydrochloride. Humans. Prognosis. Quinazolines / pharmacology. Retrospective Studies. Reverse Transcriptase Polymerase Chain Reaction. Sensitivity and Specificity. Tumor Cells, Cultured

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  • [ErratumIn] Clin Cancer Res. 2009 Nov 15;15(22):7110
  • (PMID = 19737945.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / C1178/A10294; United Kingdom / Cancer Research UK / / C309/A2187; United Kingdom / Cancer Research UK / / C309/A8274
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Quinazolines; 0 / epidermal growth factor receptor VIII; DA87705X9K / Erlotinib Hydrochloride; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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71. Hirose Y, Yoshida K: Chromosomal abnormalities subdivide neuroepithelial tumors into clinically relevant groups. Keio J Med; 2006 Jun;55(2):52-8

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Gliomas are the most common primary brain tumor, and are histopathologically classified according to their cell type and the degree of malignancy.
  • However, sometimes diagnosis can be controversial,and tumors of the same entity possibly have a wide range of survival.
  • Previous studies using comparative genomic hybridization (CGH) demonstrated that copy number aberrations(CNAs) were frequently recognized in these tumors, and revealed that a gain on chromosomal arm 7q was the most common CNA in diffuse astrocytomas, whereas a small population of the tumor showed losses on 1p/19q which characterizes oligodendrogliomas with good responsiveness to chemotherapeutic regime using procarbazine, nitrosourea and vincristine.
  • High grade (malignant) gliomas(i.e. anaplastic astrocytomas, anaplastic oligodendrogliomas and glioblastomas) have been reported to have a gain on 7p and losses on 9p and 10q.
  • [MeSH-minor] Glioma / genetics. Glioma / pathology. Humans. Neoplasm Staging. Nucleic Acid Hybridization

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  • (PMID = 16823260.001).
  • [ISSN] 0022-9717
  • [Journal-full-title] The Keio journal of medicine
  • [ISO-abbreviation] Keio J Med
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Japan
  • [Number-of-references] 51
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72. Pipp I, Wagner L, Rössler K, Budka H, Preusser M: Secretagogin expression in tumours of the human brain and its coverings. APMIS; 2007 Apr;115(4):319-26
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  • We found focal or widespread secretagogin expression in tumour cells in 1/18 oligoastrocytomas, 1/19 oligodendrogliomas, 2/20 anaplastic oligodendrogliomas, 2/9 ependymomas, 2/11 anaplastic ependymomas, 2/10 glioblastomas, 3/11 gangliogliomas and 1/2 anaplastic gangliogliomas, 10/10 central neurocytomas, 5/10 classic medulloblastomas, 4/5 desmoplastic medulloblastomas, 3/5 large cell/anaplastic medulloblastomas, 3/5 neuroblastomas, 3/10 meningiomas, 2/10 haemangioblastomas, and 13/19 pituitary adenomas.
  • [MeSH-major] Biomarkers, Tumor / analysis. Brain Neoplasms / diagnosis. Calcium-Binding Proteins / analysis

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  • (PMID = 17504298.001).
  • [ISSN] 0903-4641
  • [Journal-full-title] APMIS : acta pathologica, microbiologica, et immunologica Scandinavica
  • [ISO-abbreviation] APMIS
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Denmark
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Calcium-Binding Proteins; 0 / SCGN protein, human; 0 / Secretagogins
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73. Horbinski C, Wang G, Wiley CA: YKL-40 is directly produced by tumor cells and is inversely linked to EGFR in glioblastomas. Int J Clin Exp Pathol; 2010 Jan 01;3(3):226-37
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  • [Title] YKL-40 is directly produced by tumor cells and is inversely linked to EGFR in glioblastomas.
  • YKL-40 is a secreted chitinase-like molecule whose expression is associated with glioma grade.
  • Expression is higher in astrocytomas than oligodendrogliomas and has been reported to predict shorter survival and radiation resistance in glioblastomas (GBMs).
  • A rank-order list of YKL-40 expression was determined immunohistochemically in 79 untreated high-grade adult glio-mas, including 28 anaplastic oligodendrogliomas (AOs) and 51 GBMs.

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  • (PMID = 20224722.001).
  • [ISSN] 1936-2625
  • [Journal-full-title] International journal of clinical and experimental pathology
  • [ISO-abbreviation] Int J Clin Exp Pathol
  • [Language] ENG
  • [Grant] United States / NIMH NIH HHS / MH / K24 MH001717; United States / PHS HHS / / K24 M401717
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adipokines; 0 / CHI3L1 protein, human; 0 / Glycoproteins; 0 / Lectins; EC 2.7.10.1 / EGFR protein, human; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
  • [Other-IDs] NLM/ PMC2836500
  • [Keywords] NOTNLM ; 10q / 1p19q / EGFR / YKL-40 / glioblastoma / oligodendroglioma
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74. Blakeley J, Grossman S: Anaplastic oligodendroglioma. Curr Treat Options Neurol; 2008 Jul;10(4):295-307
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  • [Title] Anaplastic oligodendroglioma.
  • Although uncommon, anaplastic oligodendrogliomas (AODs) are important to recognize, as they have unique molecular, histologic, and clinical features.
  • If the MRI suggests a malignant glioma, maximal feasible tumor resection is advised for accurate diagnosis and for relief of tumor-related neurologic symptoms.
  • Tumor responses to PCV (the combination of procarbazine, lomustine, and vincristine) and to temozolomide have been documented in patients with AODs.
  • The recognition that 1p19q codeletion is a marker of oligodendroglial differentiation and the subsequent prospective confirmation of this marker's importance in predicting better prognosis have been critical discoveries.
  • Tumors with intermediate oligodendroglial features or mixed astrocytic features should be referred for 1p19q assessment.

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  • (PMID = 18579016.001).
  • [ISSN] 1092-8480
  • [Journal-full-title] Current treatment options in neurology
  • [ISO-abbreviation] Curr Treat Options Neurol
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / P30 CA006973
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ NIHMS567597; NLM/ PMC3994534
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75. Lee IH, Kim ST, Suh YL, Kim HJ, Kim KH, Jeon P, Byun HS: Infratentorial oligodendrogliomas: Imaging findings in six patients. Acta Radiol; 2010 Mar;51(2):213-7
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  • [Title] Infratentorial oligodendrogliomas: Imaging findings in six patients.
  • BACKGROUND: Oligodendrogliomas are primarily supratentorial tumors.
  • PURPOSE: To investigate the imaging findings of infratentorial oligodendrogliomas.
  • MATERIAL AND METHODS: We retrospectively reviewed the magnetic resonance imaging (MRI) findings and clinical records of six patients with pathologically proven infratentorial oligodendrogliomas between December 1994 and April 2008.
  • Tumor location, circumscription, signal intensity (SI), enhancement pattern, the presence of restricted diffusion, and the change of the relative cerebral blood volume (rCBV) on MRI were evaluated.
  • The pathology revealed anaplastic oligodendrogliomas in all six patients.
  • Three of them were of the infiltrative type, and the other three of the mass-forming type.
  • Tumor progression after operation, radiation therapy, gamma-knife surgery, or chemotherapy developed in five patients.
  • CONCLUSION: Although infratentorial oligodendrogliomas did not show characteristic imaging findings, there was a tendency toward multifocal heterogeneous enhancement and absent or mild mass effect of infiltrative lesions.
  • Infratentorial oligodendrogliomas may be more malignant than supratentorial oligodendrogliomas.
  • [MeSH-major] Magnetic Resonance Imaging / methods. Oligodendroglioma / pathology. Supratentorial Neoplasms / pathology

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  • (PMID = 19912073.001).
  • [ISSN] 1600-0455
  • [Journal-full-title] Acta radiologica (Stockholm, Sweden : 1987)
  • [ISO-abbreviation] Acta Radiol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Contrast Media
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76. Fortin D, Desjardins A, Benko A, Niyonsega T, Boudrias M: Enhanced chemotherapy delivery by intraarterial infusion and blood-brain barrier disruption in malignant brain tumors: the Sherbrooke experience. Cancer; 2005 Jun 15;103(12):2606-15
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  • [Title] Enhanced chemotherapy delivery by intraarterial infusion and blood-brain barrier disruption in malignant brain tumors: the Sherbrooke experience.
  • BACKGROUND: The treatment of malignant brain tumors is hampered by the presence of the blood-brain barrier, which limits chemotherapy penetration to the central nervous system (CNS).
  • The authors detail their experience so far with the procedure in the context of an open Phase II study in the treatment of malignant brain tumors.
  • METHODS: Patients with histologically proven malignant gliomas, primitive neuroectodermal tumors, primary CNS lymphomas, and metastatic disease to the brain were eligible.
  • The overall median survival times (MST) from treatment initiation for glioblastoma multiforme (GBM), anaplastic oligodendrogliomas, primary CNS lymphomas, and metastases were, respectively, 9.1, 13.9, not reached, and 9.9 months, whereas time to disease progression was 4.1, 9.2, 12.3, and 3.3 months.
  • The MST from diagnosis was 32.2 months for GBM.
  • These authors designed a randomized Phase III study for patients with GBM that is now open.
  • [MeSH-minor] Adolescent. Adult. Aged. Astrocytoma / drug therapy. Astrocytoma / pathology. Child. Disease Progression. Drug Delivery Systems. Female. Glioblastoma / drug therapy. Glioblastoma / pathology. Humans. Lymphoma / drug therapy. Lymphoma / pathology. Male. Middle Aged. Neuroectodermal Tumors, Primitive / drug therapy. Neuroectodermal Tumors, Primitive / pathology. Oligodendroglioma / drug therapy. Oligodendroglioma / pathology. Survival Rate. Time Factors

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  • [Copyright] Copyright 2005 American Cancer Society.
  • (PMID = 15880378.001).
  • [ISSN] 0008-543X
  • [Journal-full-title] Cancer
  • [ISO-abbreviation] Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antimetabolites, Antineoplastic; 0 / Antineoplastic Agents; BG3F62OND5 / Carboplatin; YL5FZ2Y5U1 / Methotrexate
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77. Wick W, Hartmann C, Engel C, Stoffels M, Felsberg J, Stockhammer F, Sabel MC, Koeppen S, Ketter R, Meyermann R, Rapp M, Meisner C, Kortmann RD, Pietsch T, Wiestler OD, Ernemann U, Bamberg M, Reifenberger G, von Deimling A, Weller M: NOA-04 randomized phase III trial of sequential radiochemotherapy of anaplastic glioma with procarbazine, lomustine, and vincristine or temozolomide. J Clin Oncol; 2009 Dec 10;27(35):5874-80
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  • [Title] NOA-04 randomized phase III trial of sequential radiochemotherapy of anaplastic glioma with procarbazine, lomustine, and vincristine or temozolomide.
  • PURPOSE: The standard of care for anaplastic gliomas is surgery followed by radiotherapy.
  • The NOA-04 phase III trial compared efficacy and safety of radiotherapy followed by chemotherapy at progression with the reverse sequence in patients with newly diagnosed anaplastic gliomas.
  • PATIENTS AND METHODS: Patients (N = 318) were randomly assigned 2:1:1 (A:B1:B2) to receive conventional radiotherapy (arm A); procarbazine, lomustine (CCNU), and vincristine (PCV; arm B1); or temozolomide (arm B2) at diagnosis.
  • Anaplastic oligodendrogliomas and oligoastrocytomas share the same, better prognosis than anaplastic astrocytomas.
  • Hypermethylation of the O(6)-methylguanine DNA-methyltransferase (MGMT) promoter (HR = 0.59; 95% CI, 0.36 to 1.0), mutations of the isocitrate dehydrogenase (IDH1) gene (HR = 0.48; 95% CI, 0.29 to 0.77), and oligodendroglial histology (HR = 0.33; 95% CI, 0.2 to 0.55) reduced the risk of progression.
  • CONCLUSION: Initial radiotherapy or chemotherapy achieved comparable results in patients with anaplastic gliomas.
  • IDH1 mutations are a novel positive prognostic factor in anaplastic gliomas, with a favorable impact stronger than that of 1p/19q codeletion or MGMT promoter methylation.
  • [MeSH-minor] Adult. Aged. Chemotherapy, Adjuvant. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Disease Progression. Disease-Free Survival. Drug Administration Schedule. Female. Humans. Isocitrate Dehydrogenase / genetics. Kaplan-Meier Estimate. Lomustine / administration & dosage. Lomustine / adverse effects. Male. Middle Aged. Mutation. Procarbazine / administration & dosage. Procarbazine / adverse effects. Promoter Regions, Genetic. Proportional Hazards Models. Radiotherapy, Adjuvant / adverse effects. Risk Assessment. Risk Factors. Time Factors. Treatment Failure. Tumor Suppressor Proteins / genetics. Vincristine / administration & dosage. Vincristine / adverse effects. Young Adult

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  • [CommentIn] J Clin Oncol. 2009 Dec 10;27(35):5861-2 [19901101.001]
  • [ErratumIn] J Clin Oncol. 2010 Feb 1;28(4):708
  • (PMID = 19901110.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase III; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Alkylating; 0 / Tumor Suppressor Proteins; 35S93Y190K / Procarbazine; 5J49Q6B70F / Vincristine; 7BRF0Z81KG / Lomustine; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide; EC 1.1.1.41 / Isocitrate Dehydrogenase; EC 1.1.1.42. / IDH1 protein, human; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes; PCV protocol
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78. Chamberlain MC, Johnston S: Bevacizumab for recurrent alkylator-refractory anaplastic oligodendroglioma. Cancer; 2009 Apr 15;115(8):1734-43
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  • [Title] Bevacizumab for recurrent alkylator-refractory anaplastic oligodendroglioma.
  • BACKGROUND: A retrospective evaluation of single agent bevacizumab was carried out in adults with recurrent alkylator-refractory 1p19q codeleted anaplastic oligodendrogliomas (AO) with an objective of determining progression-free survival (PFS).
  • Bevacizumab-related toxicity included fatigue (14 patients; 4 grade 3), leukopenia (9; 1 grade 3), anemia (5; 0 grade 3), hypertension (5; 1 grade 3), deep vein thrombosis (4; 1 grade 3), and wound dehiscence (2; 1 grade 3).
  • Time to tumor progression ranged from 1 to 18 months (median, 6.75 months).
  • [MeSH-major] Angiogenesis Inhibitors / therapeutic use. Antibodies, Monoclonal / therapeutic use. Brain Neoplasms / drug therapy. Oligodendroglioma / drug therapy
  • [MeSH-minor] Adult. Antibodies, Monoclonal, Humanized. Antineoplastic Agents, Alkylating / therapeutic use. Astrocytoma / drug therapy. Bevacizumab. Chromosomes, Human, Pair 1. Disease-Free Survival. Drug Resistance, Neoplasm. Female. Humans. Male. Middle Aged. Retrospective Studies. Survival Analysis

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  • (PMID = 19197992.001).
  • [ISSN] 0008-543X
  • [Journal-full-title] Cancer
  • [ISO-abbreviation] Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Angiogenesis Inhibitors; 0 / Antibodies, Monoclonal; 0 / Antibodies, Monoclonal, Humanized; 0 / Antineoplastic Agents, Alkylating; 2S9ZZM9Q9V / Bevacizumab
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79. Gomes AL, Reis-Filho JS, Lopes JM, Martinho O, Lambros MB, Martins A, Schmitt F, Pardal F, Reis RM: Molecular alterations of KIT oncogene in gliomas. Cell Oncol; 2007;29(5):399-408
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  • KIT, a class III receptor tyrosine kinase (RTK), is frequently involved in tumourigenic processes.
  • Tumour cell immunopositivity was detected in 15.6% (28/179) of cases, namely in 25% (1/4) of pilocytic astrocytomas, 25% (5/20) of diffuse astrocytomas, 20% (1/5) of anaplastic astrocytomas, 19.5% (15/77) of glioblastomas and one third (3/9) of anaplastic oligoastrocytomas.
  • Only 5.7% (2/35) of anaplastic oligodendrogliomas showed CD117 immunoreactivity.
  • In addition, we also observed CD117 overexpression in endothelial cells, which varied from 0-22.2% of cases, being more frequent in high-grade lesions.
  • Interestingly, CISH and/or qRT-PCR analysis revealed the presence of KIT gene amplification in 6 glioblastomas and 2 anaplastic oligoastrocytomas, corresponding to 33% (8/24) of CD117 positive cases.
  • In conclusion, our results demonstrate that KIT gene amplification rather than gene mutation is a common genetic mechanism underlying KIT expression in subset of malignant gliomas.

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  • (PMID = 17726262.001).
  • [ISSN] 1570-5870
  • [Journal-full-title] Cellular oncology : the official journal of the International Society for Cellular Oncology
  • [ISO-abbreviation] Cell. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] EC 2.7.10.1 / Proto-Oncogene Proteins c-kit
  • [Other-IDs] NLM/ PMC4618227
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80. Franceschi E, Cavallo G, Lonardi S, Magrini E, Tosoni A, Grosso D, Scopece L, Blatt V, Urbini B, Pession A, Tallini G, Crinò L, Brandes AA: Gefitinib in patients with progressive high-grade gliomas: a multicentre phase II study by Gruppo Italiano Cooperativo di Neuro-Oncologia (GICNO). Br J Cancer; 2007 Apr 10;96(7):1047-51
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  • [Title] Gefitinib in patients with progressive high-grade gliomas: a multicentre phase II study by Gruppo Italiano Cooperativo di Neuro-Oncologia (GICNO).
  • To investigate the role of gefitinib in patients with high-grade gliomas (HGGs), a phase II trial (1839IL/0116) was conducted in patients with disease recurrence following surgery plus radiotherapy and first-line chemotherapy.
  • Sixteen patients had glioblastoma, three patients had anaplastic oligodendrogliomas and nine patients had anaplastic astrocytoma.
  • No grade 3-4 gefitinib-related toxicity was found.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Brain Neoplasms / drug therapy. Glioma / drug therapy. Neoplasm Recurrence, Local / drug therapy. Quinazolines / therapeutic use
  • [MeSH-minor] Adult. Aged. Astrocytoma / drug therapy. Astrocytoma / secondary. Disease-Free Survival. Female. Humans. Male. Maximum Tolerated Dose. Middle Aged. Neoplasm Staging. Oligodendroglioma / drug therapy. Oligodendroglioma / secondary. Receptor, Epidermal Growth Factor / antagonists & inhibitors. Survival Rate. Treatment Outcome

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  • (PMID = 17353924.001).
  • [ISSN] 0007-0920
  • [Journal-full-title] British journal of cancer
  • [ISO-abbreviation] Br. J. Cancer
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Multicenter Study
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Quinazolines; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; S65743JHBS / gefitinib
  • [Other-IDs] NLM/ PMC2360116
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81. Watanabe T, Yachi K, Ohta T, Fukushima T, Yoshino A, Katayama Y, Shinojima Y, Terui T, Nagase H: Aberrant hypermethylation of non-promoter zygote arrest 1 (ZAR1) in human brain tumors. Neurol Med Chir (Tokyo); 2010;50(12):1062-9
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  • Comprehensive methylation analysis of tumor-specific differentially methylated regions in human malignant melanoma has recently led to the identification of non-promoter hypermethylation of the ZAR1 gene that had never been previously linked to aberrant methylation.
  • The present study searched for non-promoter ZAR1 hypermethylation in 90 primary human brain tumor samples, normal brain tissue from one autopsy case, and 7 glioma cell lines, employing Sequenom MassARRAY, in which bisulfite-treated fragments are quantitatively detected using time-of-flight mass spectroscopy.
  • Hypermethylation of ZAR1 was frequently found in diffuse astrocytomas (7/7, 100%), anaplastic astrocytomas (16/17, 94%), glioblastomas (27/29, 93%), oligodendrogliomas (3/3, 100%), anaplastic oligodendrogliomas (3/3, 100%), and pituitary adenomas (9/10, 90%), but not in pilocytic astrocytomas (0/3).
  • Other tumor types showed infrequent ZAR1 hypermethylation: 1 (17%) of 6 vestibular schwannomas and 4 (33%) of 12 meningothelial meningiomas.
  • [MeSH-minor] Astrocytoma / metabolism. Astrocytoma / pathology. Case-Control Studies. Cell Line, Tumor. Glioblastoma / metabolism. Glioblastoma / pathology. Humans. Mass Spectrometry. Melanoma / metabolism. Melanoma / pathology. Methylation. Nevus / metabolism. Nevus / pathology. Oligodendroglioma / metabolism. Oligodendroglioma / pathology. Reference Values

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  • (PMID = 21206179.001).
  • [ISSN] 1349-8029
  • [Journal-full-title] Neurologia medico-chirurgica
  • [ISO-abbreviation] Neurol. Med. Chir. (Tokyo)
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Egg Proteins; 0 / Zar1 protein, human
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82. Bulnes S, Lafuente JV: VEGF immunopositivity related to malignancy degree, proliferative activity and angiogenesis in ENU-induced gliomas. J Mol Neurosci; 2007;33(2):163-72
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  • During tumor development, neoplastic cells switch to an angiogenic phenotype, playing a significant role in the expression of the vascular endothelial growth factor (VEGF).
  • Histopathology allows us to identify microtumors as classic oligodendrogliomas (CO; mean PI of 6.01 +/- 2.8%) and macrotumors as anaplastic oligodendrogliomas (AO; mean PI of 14.06 +/- 5%).
  • Classic oligodendrogliomas show scarce VEGF165 expression whereas anaplastic ones display VEGF165 protein level 100-fold increased respect to CO.
  • Astrocytes, neoplastic, and endothelial cells show differential immunostaining patterns from the border to the core of neoplasm.
  • Anaplastic gliomas displaying VEGF-positive intratumor capillaries correspond to the highest PI values.
  • To identify the "angiogenic switch," we propose the glioma stage characterized by VEGF immunopositive neoplastic cells inside the tumor and positive endothelial cells surrounding it.
  • [MeSH-minor] Animals. Female. Fetus / drug effects. Humans. Neoplasm Staging. Pregnancy. Rats. Rats, Sprague-Dawley

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  • (PMID = 17917075.001).
  • [ISSN] 0895-8696
  • [Journal-full-title] Journal of molecular neuroscience : MN
  • [ISO-abbreviation] J. Mol. Neurosci.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Alkylating Agents; 0 / Vascular Endothelial Growth Factor A; P8M1T4190R / Ethylnitrosourea
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83. Kanner AA, Staugaitis SM, Castilla EA, Chernova O, Prayson RA, Vogelbaum MA, Stevens G, Peereboom D, Suh J, Lee SY, Tubbs RR, Barnett GH: The impact of genotype on outcome in oligodendroglioma: validation of the loss of chromosome arm 1p as an important factor in clinical decision making. J Neurosurg; 2006 Apr;104(4):542-50
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  • [Title] The impact of genotype on outcome in oligodendroglioma: validation of the loss of chromosome arm 1p as an important factor in clinical decision making.
  • OBJECT: Oligodendrogliomas are rare primary brain tumors.
  • Allelic loss of chromosome arms 1p and 19q is found in a substantial subpopulation of tumors with an oligodendroglioma phenotype.
  • Anaplastic oligodendrogliomas with allelic loss of 1p have been associated with chemosensitivity and a longer patient survival period.
  • METHODS: Oligodendroglial neoplasms were studied using fluorescence in situ hybridization of formalin-fixed, paraffin-embedded tissue specimens; reference and target probe sets were used to map the telomeric regions of 1p and 19q.
  • This included 63 patients (65.6%) with World Health Organization (WHO) Grade II oligodendroglioma, 22 (23%) with Grade III oligodendroglioma, and 11 (11.4%) with mixed oligoastrocytoma.
  • Analysis of 1p in patients with pure oligodendroglioma revealed a loss of 1p in 42 patients (49.4%).
  • Patients with oligodendroglioma in whom a loss of 1p was present fared significantly better, and this outcome was unrelated to the treatment modality or WHO grade, compared with patients in whom 1p was intact (p < 0.05).
  • CONCLUSIONS: To the authors' knowledge, this study includes the largest published series of WHO Grade II oligodendroglioma and 1p analysis.
  • The results suggest that the association between long-term survival and 1p loss in oligodendroglioma is unrelated to treatment.
  • [MeSH-major] Chromosomes, Human, Pair 1. Genotype. Loss of Heterozygosity / genetics. Oligodendroglioma / genetics. Supratentorial Neoplasms / genetics

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  • (PMID = 16619658.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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84. Yang SH, Kim YH, Kim JW, Park CK, Park SH, Jung HW: Methylation Status of the O6-Methylguanine-Deoxyribonucleic Acid Methyltransferase Gene Promoter in World Health Organization Grade III Gliomas. J Korean Neurosurg Soc; 2009 Oct;46(4):385-8
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  • [Title] Methylation Status of the O6-Methylguanine-Deoxyribonucleic Acid Methyltransferase Gene Promoter in World Health Organization Grade III Gliomas.
  • OBJECTIVE: We analyzed the methylation status of the O6-methylguanine-DNA methyltransferase (MGMT) gene promoter in World Health Organization (WHO) grade III gliomas in association with other molecular markers to evaluate their prevalence.
  • METHODS: The samples of a total of 36 newly WHO grade III glioma patients including 19 anaplastic oligodendrogliomas (AO), 7 anaplastic oligoastrocytomas (AOA), and 10 anaplastic astrocytomas (AA) were analyzed.
  • CONCLUSION: There was extensive epigenetic silencing of MGMT gene in high grade gliomas with oligodendroglial component.
  • Together with frequent 1p/19q co-deletion in oligodendroglial tumors, this may add plausible explanations supporting the relative favorable prognosis in oligodendroglial tumors compared with pure astrocytic tumors.

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  • (PMID = 19893731.001).
  • [ISSN] 1598-7876
  • [Journal-full-title] Journal of Korean Neurosurgical Society
  • [ISO-abbreviation] J Korean Neurosurg Soc
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Korea (South)
  • [Other-IDs] NLM/ PMC2773399
  • [Keywords] NOTNLM ; 1p/19q / MGMT gene promoter / Methylation / Methylation-specific PCR / Oligodendroglioma
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85. Roldán G, Scott J, George D, Parney I, Easaw J, Cairncross G, Forsyth P, Yan E: Leptomeningeal disease from oligodendroglioma: clinical and molecular analysis. Can J Neurol Sci; 2008 May;35(2):204-9
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  • [Title] Leptomeningeal disease from oligodendroglioma: clinical and molecular analysis.
  • BACKGROUND: Leptomeningeal disease (LMD) is a late complication of malignant glioma, mostly of glioblastoma, that usually responds poorly to treatment and is rapidly fatal.
  • A long surviving case led us to review our experience with LMD in patients with oligodendrogliomas.
  • Patients with both oligodendroglial tumors and LMD were identified.
  • RESULTS: Seven out of 145 patients with oligodendroglioma were diagnosed with LMD.
  • Median age at tumor diagnosis was 41 years (range, 28-50).
  • None had radiographic or pathological evidence of leptomeningeal or subependymal tumor at initial diagnosis.
  • Most patients had pure anaplastic oligodendrogliomas (4/7); 6/7 had 1p/19q co-deletion.
  • The median time to LMD was 76 months (range, 19-151) from initial diagnosis and 28 months (range, 0-36) from first relapse, respectively.
  • The median survival from initial diagnosis was 104 months (range, 19-183) and from LMD diagnosis was 32 months (range, 2-43).
  • CONCLUSIONS: Leptomeningeal disease is a complication of oligodendroglioma that may occur preferentially in long surviving patients with 1p/19q co-deletion.
  • Leptomeningeal disease in patients with oligodendrogliomas appears to be relatively indolent which may have implications for their treatment and be related to 1p/19q status.
  • [MeSH-major] Chromosome Aberrations. Chromosome Deletion. Chromosomes, Human, Pair 1 / genetics. Meningeal Neoplasms / genetics. Meninges / pathology. Oligodendroglioma / genetics

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  • (PMID = 18574935.001).
  • [ISSN] 0317-1671
  • [Journal-full-title] The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
  • [ISO-abbreviation] Can J Neurol Sci
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Canada
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86. Heimberger AB, McGary EC, Suki D, Ruiz M, Wang H, Fuller GN, Bar-Eli M: Loss of the AP-2alpha transcription factor is associated with the grade of human gliomas. Clin Cancer Res; 2005 Jan 1;11(1):267-72
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  • [Title] Loss of the AP-2alpha transcription factor is associated with the grade of human gliomas.
  • PURPOSE: The activator protein (AP)-2alpha transcription factor plays a crucial role in the progression of several human tumors, including malignant melanoma, prostate, and breast cancer.
  • Anderson Cancer Center since 1986 to include 72 glioblastomas, 49 anaplastic astrocytomas, 9 low-grade astrocytoma, 37 oligodendrogliomas, 37 anaplastic oligodendrogliomas, 15 mixed oligoastrocytomas, 20 anaplastic mixed oligoastrocytomas, and 7 gliosarcomas.
  • RESULTS: AP-2alpha expression was lost on 99% (P < 0.001) and 98% (P < 0.001) of glioblastomas and anaplastic astrocytomas, respectively, compared with grade 2 astrocytomas and normal brain, all of which (100%) maintained expression of AP-2alpha.
  • However, there was no significant effect of loss of AP-2alpha expression on survival observed after adjustment for patient age, Karnofsky Performance Scale score, tumor grade, and extent of resection (rate ratio, 1.2; 95% confidence interval, 0.6-2.2; P = 0.6).
  • CONCLUSIONS: AP-2alpha expression correlates inversely with glioma grade, suggesting a direct role in glioma tumorigenicity, possibly through subsequent deregulation of target genes.
  • Of all the previously characterized markers of progression, the loss of AP-2alpha would be the most common (96.2%) molecular marker as an astrocytic tumor evolves from grade 2 to 3.
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Amino Acid Motifs. Antigens, CD / biosynthesis. Antigens, CD146. Astrocytoma / metabolism. Brain / metabolism. Cell Cycle Proteins / biosynthesis. Cell Line, Tumor. Child. Child, Preschool. Cyclin-Dependent Kinase Inhibitor p21. Disease Progression. Humans. Immunohistochemistry. Matrix Metalloproteinase 2 / biosynthesis. Middle Aged. Neural Cell Adhesion Molecules / biosynthesis. Oligodendroglioma / metabolism. Oligonucleotide Array Sequence Analysis. Prognosis. Proportional Hazards Models. Proto-Oncogene Proteins c-kit / biosynthesis. Time Factors. Transcription Factor AP-2. Treatment Outcome. Vascular Endothelial Growth Factor A / biosynthesis

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  • (PMID = 15671555.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United States / PHS HHS / / T-32-09666
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD; 0 / Antigens, CD146; 0 / CDKN1A protein, human; 0 / Cell Cycle Proteins; 0 / Cyclin-Dependent Kinase Inhibitor p21; 0 / DNA-Binding Proteins; 0 / MCAM protein, human; 0 / Neural Cell Adhesion Molecules; 0 / TFAP2A protein, human; 0 / Transcription Factor AP-2; 0 / Transcription Factors; 0 / Vascular Endothelial Growth Factor A; EC 2.7.10.1 / Proto-Oncogene Proteins c-kit; EC 3.4.24.24 / Matrix Metalloproteinase 2
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87. Shibui S: [Resent advances in chemotherapy for malignant brain tumors]. Gan To Kagaku Ryoho; 2005 Apr;32(4):442-7
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  • [Title] [Resent advances in chemotherapy for malignant brain tumors].
  • Most malignant brain tumors are resistant to the chemotherapeutic agents because of the existence of several mechanisms or substances such as the blood-brain barrier, genes and proteins.
  • Especially recent advances in the field of molecular biology have contributed to examination of the chemosensitivities of tumor cells.
  • Loss of chromosome 1 p and 19 q is considered to be closely related to chemosensitivity in anaplastic oligodendrogliomas.
  • This is one of the breakthroughs in the field of chemotherapy for malignant brain tumors.
  • Multi-institutional randomized controlled study by JCOG Brain Tumor Study Group is the first trial for the treatment of malignant astrocytomas under well-established quality control and quality assurance systems.
  • It can be a model of clinical trials for malignant brain tumors in Japan.
  • [MeSH-minor] Antineoplastic Agents, Alkylating / therapeutic use. Clinical Trials, Phase II as Topic. Drug Resistance, Neoplasm. Humans. Nimustine / administration & dosage. Nitrosourea Compounds / pharmacology. O(6)-Methylguanine-DNA Methyltransferase / metabolism. Procarbazine / administration & dosage. Quality Control. Randomized Controlled Trials as Topic

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  • (PMID = 15853207.001).
  • [ISSN] 0385-0684
  • [Journal-full-title] Gan to kagaku ryoho. Cancer & chemotherapy
  • [ISO-abbreviation] Gan To Kagaku Ryoho
  • [Language] jpn
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Alkylating; 0 / Nitrosourea Compounds; 0S726V972K / Nimustine; 35S93Y190K / Procarbazine; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase
  • [Number-of-references] 27
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88. Raymond E, Brandes AA, Dittrich C, Fumoleau P, Coudert B, Clement PM, Frenay M, Rampling R, Stupp R, Kros JM, Heinrich MC, Gorlia T, Lacombe D, van den Bent MJ, European Organisation for Research and Treatment of Cancer Brain Tumor Group Study: Phase II study of imatinib in patients with recurrent gliomas of various histologies: a European Organisation for Research and Treatment of Cancer Brain Tumor Group Study. J Clin Oncol; 2008 Oct 1;26(28):4659-65
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  • [Title] Phase II study of imatinib in patients with recurrent gliomas of various histologies: a European Organisation for Research and Treatment of Cancer Brain Tumor Group Study.
  • PURPOSE: To evaluate the safety and the efficacy of imatinib in recurrent malignant gliomas.
  • Three different histologic groups were studied: glioblastomas (GBM), pure/mixed (anaplastic) oligodendrogliomas (OD), and low-grade or anaplastic astrocytomas (A).

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  • (PMID = 18824712.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / 5U10 CA11488-32; United States / NCI NIH HHS / CA / 5U10 CA11488-33; United States / NCI NIH HHS / CA / 5U10 CA11488-34
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Benzamides; 0 / Piperazines; 0 / Pyrimidines; 8A1O1M485B / Imatinib Mesylate
  • [Other-IDs] NLM/ PMC2653126
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89. Tehrani M, Friedman TM, Olson JJ, Brat DJ: Intravascular thrombosis in central nervous system malignancies: a potential role in astrocytoma progression to glioblastoma. Brain Pathol; 2008 Apr;18(2):164-71
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  • Intravascular thrombosis is a frequent finding in glioblastoma [GBM; World Health Organization (WHO) grade IV] specimens and could potentially be involved in astrocytoma progression to GBM or represent a surrogate marker of GBM histology.
  • We investigated whether intravascular thrombosis was more frequent or prominent in GBM than other central nervous system (CNS) malignancies and considered its prognostic significance in anaplastic astrocytoma (AA; WHO grade III), which lacks necrosis.
  • Histologic sections were examined for thrombosis, necrosis and microvascular hyperplasia from each of 297 CNS tumors, including 103 GBMs, 46 AAs, 20 diffuse astrocytoma (DAs; WHO grade II), eight anaplastic oligodendrogliomas (AOs; WHO grade III), 20 oligodendrogliomas (ODs; WHO grade II), 49 metastatic carcinomas (METs), 31 primary central nervous system lymphomas (PCNSLs) and 20 medulloblastomas (MBs).
  • Among newly diagnosed tumors, thrombosis was present in 92% of GBM resections, significantly greater than other types of CNS malignancies.
  • The sensitivity of thrombosis for the diagnosis of GBM in this set of tumors was 92% and the specificity was 91%.
  • Thus, intravascular thrombosis is more frequent in GBM than other CNS malignancies.

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  • (PMID = 18093251.001).
  • [ISSN] 1015-6305
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] ENG
  • [Grant] United States / NINDS NIH HHS / NS / NS053727-01; United States / NINDS NIH HHS / NS / R01 NS053727; United States / NINDS NIH HHS / NS / NS053727; United States / NINDS NIH HHS / NS / R01 NS053727-01
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] Switzerland
  • [Other-IDs] NLM/ NIHMS82090; NLM/ PMC2610479
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90. Gan HK, Rosenthal MA, Dowling A, Kalnins R, Algar E, Wong N, Benson A, Woods AM, Cher L: A phase II trial of primary temozolomide in patients with grade III oligodendroglial brain tumors. Neuro Oncol; 2010 May;12(5):500-7
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  • [Title] A phase II trial of primary temozolomide in patients with grade III oligodendroglial brain tumors.
  • Glial tumors with oligodendroglial components are considered chemo-responsive.
  • Forty newly diagnosed patients (11 anaplastic oligodendrogliomas [OD] and 29 anaplastic oligoastrocytomas [OA]) were enrolled into this multicenter, open-label, single-arm Phase II trial of first-line temozolomide (200 mg/m(2) on days 1-5 every 4 weeks for 6 cycles).
  • Only 18% of the patients (7 of 40) experienced treatment-related grade 3/4 toxicities.
  • These data add to the growing body of data showing that primary chemotherapy may be an acceptable alternative to radiotherapy for patients with gliomas containing oligodendroglial histology.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Brain Neoplasms / drug therapy. Dacarbazine / analogs & derivatives. Oligodendroglioma / drug therapy
  • [MeSH-minor] Adolescent. Adult. Aged. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Disease-Free Survival. Female. Gene Deletion. Humans. Kaplan-Meier Estimate. Loss of Heterozygosity. Male. Middle Aged. Tumor Suppressor Proteins / genetics. Young Adult

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  • (PMID = 20406900.001).
  • [ISSN] 1523-5866
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Tumor Suppressor Proteins; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
  • [Other-IDs] NLM/ PMC2940620
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91. Beauchesne PD, Taillandier L, Bernier V, Carnin C: Concurrent radiotherapy: fotemustine combination for newly diagnosed malignant glioma patients, a phase II study. Cancer Chemother Pharmacol; 2009 Jun;64(1):171-5
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  • [Title] Concurrent radiotherapy: fotemustine combination for newly diagnosed malignant glioma patients, a phase II study.
  • PURPOSE: Fotemustine is a nitrosourea compound used for the treatment of malignant gliomas, especially in France.
  • We set out to test a concurrent combination of radiotherapy and fotemustine for newly malignant gliomas.
  • Patients over 18 years of age able to give informed consent and with histologically proven, newly diagnosed supratentorial malignant gliomas were eligible.
  • All patients were treated by a standard cranial irradiation (conformal irradiation, tumor bulk plus a margin of 2.5 cm) and concomitant daily administration of 10 mg/m(2) of fotemustine (5 days per week, 6 weeks, 1 h 30 min before radiation therapy).
  • Adjuvant chemotherapy, fotemustine, was administered at tumor progression as standard and classic regimen.
  • Histology included 16 glioblastomas, 3 anaplastic astrocytomas, 2 anaplastic oligodendrogliomas and 1 mixed glioma.
  • The concurrent radiotherapy-fotemustine combination was well tolerated: toxicity was mild and three hematologic toxicities grade 3-4 were observed.
  • Median survival from the initial diagnosis was 9.9 months, two patients are currently alive.

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  • (PMID = 19352662.001).
  • [ISSN] 1432-0843
  • [Journal-full-title] Cancer chemotherapy and pharmacology
  • [ISO-abbreviation] Cancer Chemother. Pharmacol.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Nitrosourea Compounds; 0 / Organophosphorus Compounds; GQ7JL9P5I2 / fotemustine
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92. Sherman JH, Prevedello DM, Shah L, Raghavan P, Pouratian N, Starke RM, Lopes MB, Shaffrey ME, Schiff D: MR imaging characteristics of oligodendroglial tumors with assessment of 1p/19q deletion status. Acta Neurochir (Wien); 2010 Nov;152(11):1827-34
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  • [Title] MR imaging characteristics of oligodendroglial tumors with assessment of 1p/19q deletion status.
  • PURPOSE: Patients with oligodendrogliomas with allelic loss of chromosomal arm 1p and 19q have been shown, especially with anaplastic oligodendrogliomas, to have both a better initial and long-term response to chemotherapy as well as an improved overall survival.
  • MR imaging can be used to help differentiate between low- and high-grade tumors.
  • METHODS: Using the clinical database at the University of Virginia Neuro-Oncology Center, we identified adult patients with grade II and III oligodendroglial tumors who underwent treatment from 2002 to 2007.
  • Age at diagnosis, gender, tumor grade, chromosomal deletion status, duration of follow-up, and MR imaging characteristics were analyzed; the latter was read by a blinded neuroradiologist.
  • The greatest cross-sectional area (mean) of the tumor measured 23.4 cm(2) for patients with the co-deletion and 31.7 cm(2) for patients with intact alleles (p = 0.008).
  • Amongst patients with pure oligodendrogliomas, those with 1p/19q co-deletion had tumors more often confined to a single lobe as compared with those patients without the co-deletion (p = 0.023).
  • CONCLUSION: MR imaging is a valuable imaging modality for differentiating between oligodendrogliomas with or without the 1p/19q deletion.
  • While imaging will never replace definitive tissue diagnosis, imaging characteristics such as tumor size, location, and overlying skull thinning can assist clinicians in assessing patients with oligodendroglial tumors prior to surgical or medical intervention.
  • [MeSH-major] Brain Neoplasms / genetics. Brain Neoplasms / pathology. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Gene Deletion. Genetic Predisposition to Disease / genetics. Oligodendroglioma / genetics. Oligodendroglioma / pathology

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  • (PMID = 20711790.001).
  • [ISSN] 0942-0940
  • [Journal-full-title] Acta neurochirurgica
  • [ISO-abbreviation] Acta Neurochir (Wien)
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Austria
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93. Ngo TT, Peng T, Liang XJ, Akeju O, Pastorino S, Zhang W, Kotliarov Y, Zenklusen JC, Fine HA, Maric D, Wen PY, De Girolami U, Black PM, Wu WW, Shen RF, Jeffries NO, Kang DW, Park JK: The 1p-encoded protein stathmin and resistance of malignant gliomas to nitrosoureas. J Natl Cancer Inst; 2007 Apr 18;99(8):639-52
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  • [Title] The 1p-encoded protein stathmin and resistance of malignant gliomas to nitrosoureas.
  • BACKGROUND: Malignant gliomas are generally resistant to all conventional therapies.
  • Notable exceptions are anaplastic oligodendrogliomas with loss of heterozygosity on chromosome 1p (1p+/-).
  • Patients with 1p+/- anaplastic oligodendroglioma frequently respond to procarbazine, 1-(2-chloroethyl)-3-cyclohexyl-l-nitrosourea, and vincristine.
  • Because the underlying biologic basis for this clinical finding is unclear, we evaluated differentially expressed 1p-encoded proteins in 1p+/- and 1p+/+ malignant glioma cell lines and then examined whether their expression was associated with outcome of patients with anaplastic oligodendroglioma.
  • METHODS: We used a comparative proteomic screen of A172 (1p+/-) and U251 (1p+/+) malignant glioma cell lines to identify differentially expressed 1p-encoded proteins, including stathmin, a microtubule-associated protein.
  • 1p+/- and 1p+/+ anaplastic oligodendroglioma specimens from 24 patients were assessed for stathmin expression by immunohistochemistry.
  • RNA inhibition and cDNA transfection experiments tested effects of stathmin under- and overexpression, respectively, on the in vitro and in vivo resistance of malignant glioma cells to treatment with nitrosourea.
  • For in vivo resistance studies, 36 mice with intracranial and 16 mice with subcutaneous xenograft tumor implants were used (one tumor per mouse).
  • Nitrosoureas induced mitotic arrest in malignant glioma cells, and this effect was greater in cells with decreased stathmin expression.
  • CONCLUSIONS: Loss of heterozygosity for the stathmin gene may be associated with improved outcomes of patients with 1p+/- anaplastic oligodendroglioma tumors.
  • [MeSH-major] Brain Neoplasms / genetics. Chromosomes, Human, Pair 1. Drug Resistance, Neoplasm. Glioma / genetics. Nitrosourea Compounds / therapeutic use. Oligodendroglioma / genetics. Stathmin / genetics
  • [MeSH-minor] Antineoplastic Agents / therapeutic use. Base Sequence. Cell Line, Tumor. Chromosome Mapping. DNA Primers. DNA, Neoplasm / genetics. Electrophoresis, Gel, Two-Dimensional. Humans. In Situ Hybridization, Fluorescence. Molecular Sequence Data. RNA, Neoplasm / genetics

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  • (PMID = 17440165.001).
  • [ISSN] 1460-2105
  • [Journal-full-title] Journal of the National Cancer Institute
  • [ISO-abbreviation] J. Natl. Cancer Inst.
  • [Language] eng
  • [Grant] United States / Intramural NIH HHS / /
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, N.I.H., Intramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / DNA Primers; 0 / DNA, Neoplasm; 0 / Nitrosourea Compounds; 0 / RNA, Neoplasm; 0 / Stathmin
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94. Jäger HR, Waldman AD, Benton C, Fox N, Rees J: Differential chemosensitivity of tumor components in a malignant oligodendroglioma: assessment with diffusion-weighted, perfusion-weighted, and serial volumetric MR imaging. AJNR Am J Neuroradiol; 2005 Feb;26(2):274-8
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  • [Title] Differential chemosensitivity of tumor components in a malignant oligodendroglioma: assessment with diffusion-weighted, perfusion-weighted, and serial volumetric MR imaging.
  • We report the case of malignant oligodendroglioma in a 36-year-old man who underwent diffusion-weighted, perfusion-weighted, and volumetric MR imaging before and after PCV (procarbazine, CCNU, vincristine) chemotherapy.
  • The tumor regions exhibiting a low apparent diffusion coefficient and increased relative cerebral blood volume showed a marked response to chemotherapy and dramatic decrease in volume, whereas the remaining tumor regions showed little change.
  • [MeSH-major] Diffusion Magnetic Resonance Imaging. Oligodendroglioma / drug therapy. Oligodendroglioma / pathology

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  • (PMID = 15709124.001).
  • [ISSN] 0195-6108
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Grant] United Kingdom / Medical Research Council / / G116/143
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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95. Hilbig A, Barbosa-Coutinho LM, Netto GC, Bleil CB, Toscani NV: [Immunohistochemistry in oligodendrogliomas]. Arq Neuropsiquiatr; 2006 Mar;64(1):67-71
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  • [Title] [Immunohistochemistry in oligodendrogliomas].
  • [Transliterated title] Imunoistoquímica em oligodendrogliomas.
  • Oligodendrogliomas (OL) are neuroepithelial tumors characterized by the presence of uniformly round nuclei with a clear cytoplasm around it.
  • Immunohistochemistry with glial and neuronal markers may be helpful in differential diagnosis.
  • Ten cases showed anaplastic characteristics.
  • The widespread staining with neuronal marker suggests central neurocytoma, but this diagnosis should not be done with small amount of tissue.
  • [MeSH-major] Antibodies, Neoplasm / analysis. Brain Neoplasms / pathology. Neuroglia / pathology. Oligodendroglioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Biomarkers, Tumor / immunology. Biomarkers, Tumor / metabolism. Child. Child, Preschool. Humans. Immunohistochemistry. Male. Middle Aged. S100 Proteins / analysis. S100 Proteins / immunology

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  • (PMID = 16622556.001).
  • [ISSN] 0004-282X
  • [Journal-full-title] Arquivos de neuro-psiquiatria
  • [ISO-abbreviation] Arq Neuropsiquiatr
  • [Language] por
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Brazil
  • [Chemical-registry-number] 0 / Antibodies, Neoplasm; 0 / Biomarkers, Tumor; 0 / S100 Proteins
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96. Kreiger PA, Okada Y, Simon S, Rorke LB, Louis DN, Golden JA: Losses of chromosomes 1p and 19q are rare in pediatric oligodendrogliomas. Acta Neuropathol; 2005 Apr;109(4):387-92
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  • [Title] Losses of chromosomes 1p and 19q are rare in pediatric oligodendrogliomas.
  • Pediatric oligodendrogliomas are rare neoplasms and have not been characterized extensively either pathologically or genetically.
  • Given the recent interest in the significance of chromosomal losses in predicting the clinical course and in establishing uniform diagnoses of adult oligodendrogliomas, we reviewed the pathological and clinical features of a series of pediatric oligodendrogliomas and determined their 1p and 19q status using fluorescence in situ hybridization.
  • Of 19 tumors originally diagnosed as oligodendroglioma, 7 were oligodendroglioma, 3 were anaplastic oligodendroglioma, 3 were oligoastrocytoma, and 6 were reclassified.
  • Only one tumor, an anaplastic oligodendroglioma, had 1p loss; none had 19q loss.
  • The single patient whose tumor had 1p loss did not have a particularly favorable clinical course.
  • These results suggest that pediatric oligodendrogliomas arise by molecular alterations distinct from adult oligodendrogliomas, and such molecular alterations do not hold immediate promise as an adjunct to the diagnosis of pediatric oligodendrogliomas.
  • [MeSH-major] Brain Neoplasms / genetics. Chromosomes, Human, Pair 1. Chromosomes, Human, Pair 19. Oligodendroglioma / genetics

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  • (PMID = 15739101.001).
  • [ISSN] 0001-6322
  • [Journal-full-title] Acta neuropathologica
  • [ISO-abbreviation] Acta Neuropathol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA57683
  • [Publication-type] Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, CD20; 0 / Glial Fibrillary Acidic Protein; 0 / Ki-67 Antigen; 0 / Neurofilament Proteins; 0 / Synaptophysin; 0 / Vimentin; EC 3.1.3.48 / Antigens, CD45
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97. Tena-Suck ML, Moreno-Jiménez S, Alonso M, Aguirre-Crux L, Sánchez A: Oligodendrogliomas in relation to astrocytes differentiation. Clinicopathologic and immunohistochemical study. Ann Diagn Pathol; 2008 Oct;12(5):313-21
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  • [Title] Oligodendrogliomas in relation to astrocytes differentiation. Clinicopathologic and immunohistochemical study.
  • Oligodendroglioma usually arise in adults and rarely in children.
  • The objective of the current study was to evaluate the immunoexpression of glial fibrillary acidic protein (GFAP) and heat shock proteins (HSP70), endothelial vascular growth factor (EVGF), and endothilial vascular growth factor receptor type II (EFGF-R) expression in relation to the proliferation labeling index (proliferating cell nuclear antigen [PCNA]) and vascular density in patients with oligodendroglioma.
  • We studied 28 cases of oligodendrogliomas--20 (71.4%) were oliodendrogliomas (grade II), and 8 (28.6%) cases were anaplastic oligodendroglioma (grade II according to World Health Organization classification).
  • Mitosis were found in grade II (0.35 +/- 1.14) and grade III (3.88 +/- 1.81) (P = .0001*) and pleomorphism in grade II (4.40 +/- 0.99) and grade III (9.50 +/- 9.20) (P = .028).
  • The GFAP was positive in grade II (1.45 +/- 0.60) and grade III (2.63 +/- 0.52) (P = .000); HSP70 was immunoreactive in grade II (1.35 +/- 0.59) and grade III (2.50 +/- 0.53) (P = .001); and EVGF was immunoreactive in grade II (22.70 +/- 6.10) and grade III (36 +/- 1.63) (P = .043).
  • The EVGF-RII was immunoreactive in grade II, 18.30 +/- 6.11 and 31.63 +/- 4.93 (P = .045).
  • The microvascular density labeling index rates were 20.70 +/- 4.34 (grade II) and 33.38 +/- 5.29 (P = .000), and the PCNA labeling index rates were 32.95 +/- 5.89 (grade II) and 56.88 +/- 5.62 (grade III) (P = .045).
  • We observed astrocyte differentiation in oligodendrogliomas grade III.
  • We found a higher PGAF, HSP70, EVGF, and EFGF-R expression in relation with the PCNA and vascular density (CD34) in patients with oligodendroglioma grade III than in oligodendroglioma grade II.
  • There was a significant relationship between mitosis, glial fibrillary acidic protein (GFAP), HSP70, EVGF, EVGF-receptor II expression, and the histologic grade and size of the tumor.
  • For that reason, we suggest that the correlation between GFAP and HSP70 could have a relationship with the protection mechanism of the tumor itself.
  • [MeSH-major] Astrocytes / pathology. Brain Neoplasms / pathology. Oligodendroglioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Antigens, CD34 / analysis. Biomarkers, Tumor / analysis. Cell Proliferation. Cell Transformation, Neoplastic. Female. Fluorescent Antibody Technique, Direct. Glial Fibrillary Acidic Protein / analysis. HSP70 Heat-Shock Proteins / analysis. Humans. Male. Middle Aged. Mitosis. Proliferating Cell Nuclear Antigen / metabolism. Vascular Endothelial Growth Factor A / analysis. Vascular Endothelial Growth Factor Receptor-2 / analysis

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  • (PMID = 18774492.001).
  • [ISSN] 1532-8198
  • [Journal-full-title] Annals of diagnostic pathology
  • [ISO-abbreviation] Ann Diagn Pathol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD34; 0 / Biomarkers, Tumor; 0 / Glial Fibrillary Acidic Protein; 0 / HSP70 Heat-Shock Proteins; 0 / Proliferating Cell Nuclear Antigen; 0 / VEGFA protein, human; 0 / Vascular Endothelial Growth Factor A; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-2
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98. Natale M, Spennato P, Savarese L, Bocchetti A, Esposito S, Barbato R: Anaplastic oligodendroglioma presenting with drop metastases in the cauda equina. Clin Neurol Neurosurg; 2005 Aug;107(5):417-20
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  • [Title] Anaplastic oligodendroglioma presenting with drop metastases in the cauda equina.
  • Metastatic involvement of the cerebro-spinal fluid (CSF) pathway in oligodendrogliomas is not uncommon; however, symptomatic involvement of the spinal cord is very rare: less of 10 cases have been published.
  • To our knowledge, an intracranial oligodendroglioma presenting with symptoms of drop metastases in the cauda equina has never been reported.
  • We report a case of 67-year-old woman who after 1 month of severe low back and legs pain developed symptoms of raised intracranial pressure.
  • A spinal cord MRI showed multiple intradural nodular lesions at the level of the cauda equina, a MRI of the brain showed an intraventricular brain tumor.
  • The histopathological diagnosis of both surgically treated lesions was anaplastic oligodendroglioma.
  • The importance of the clinical and neuroradiological data in the diagnosis is stressed.
  • [MeSH-major] Cauda Equina. Cerebral Ventricle Neoplasms / pathology. Lateral Ventricles. Oligodendroglioma / secondary. Peripheral Nervous System Neoplasms / secondary

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  • (PMID = 16023538.001).
  • [ISSN] 0303-8467
  • [Journal-full-title] Clinical neurology and neurosurgery
  • [ISO-abbreviation] Clin Neurol Neurosurg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Netherlands
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99. Doskaliyev A, Yamasaki F, Kenjo M, Shrestha P, Saito T, Hanaya R, Sugiyama K, Kurisu K: Secondary anaplastic oligodendroglioma after cranial irradiation: a case report. J Neurooncol; 2008 Jul;88(3):299-303
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Secondary anaplastic oligodendroglioma after cranial irradiation: a case report.
  • Secondary brain tumors rarely arise after cranial irradiation; among them, meningiomas and glioblastomas are the most common and secondary oligodendroglial tumors the most rare.
  • We present a 48-year-old man who developed an oligodendroglial tumor 38 years after receiving 50 Gy of cranial irradiation to a pineal tumor.
  • The tumor was histologically diagnosed as anaplastic oligodendroglioma.
  • Our review of previously reported secondary oligodendroglial tumors that developed after cranial irradiation revealed that these rare tumors arose after low-dose cranial irradiation or at the margin of a field irradiated with a high dose.
  • We suggest that secondary oligodendroglial tumors arising after cranial irradiation are more aggressive than primary oligodendrogliomas.
  • [MeSH-major] Brain Neoplasms / pathology. Cranial Irradiation / adverse effects. Neoplasms, Radiation-Induced / pathology. Neoplasms, Second Primary / pathology. Oligodendroglioma / pathology
  • [MeSH-minor] DNA Modification Methylases / biosynthesis. DNA Repair Enzymes / biosynthesis. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Pinealoma / radiotherapy. Radiotherapy / adverse effects. Tomography, X-Ray Computed. Tumor Suppressor Proteins / biosynthesis

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  • (PMID = 18373067.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
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100. Bruggers C, White K, Zhou H, Chen Z: Extracranial relapse of an anaplastic oligodendroglioma in an adolescent: case report and review of the literature. J Pediatr Hematol Oncol; 2007 May;29(5):319-22
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  • [Title] Extracranial relapse of an anaplastic oligodendroglioma in an adolescent: case report and review of the literature.
  • Oligodendroglioma is an uncommon childhood tumor and is more chemosensitive than other malignant glial neoplasms.
  • Treatment involves gross total resection, and if anaplastic, radiation and chemotherapy.
  • We report a child with a low-grade oligodendroglioma that recurred as a high-grade oligodendroglioma and ultimately as extraneural systemic relapse.
  • This chemotherapy may be promising in treating malignant oligodendroglioma.
  • [MeSH-major] Brain Neoplasms / diagnosis. Neoplasm Recurrence, Local / diagnosis. Oligodendroglioma / diagnosis. Pleural Neoplasms / diagnosis
  • [MeSH-minor] Adolescent. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Disease Progression. Fatal Outcome. Humans. Magnetic Resonance Imaging / methods. Male. Pleural Effusion, Malignant / diagnosis. Pleural Effusion, Malignant / therapy. Positron-Emission Tomography / methods. Recurrence

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  • (PMID = 17483710.001).
  • [ISSN] 1077-4114
  • [Journal-full-title] Journal of pediatric hematology/oncology
  • [ISO-abbreviation] J. Pediatr. Hematol. Oncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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