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1. Söling A, Sackewitz M, Volkmar M, Schaarschmidt D, Jacob R, Holzhausen HJ, Rainov NG: Minichromosome maintenance protein 3 elicits a cancer-restricted immune response in patients with brain malignancies and is a strong independent predictor of survival in patients with anaplastic astrocytoma. Clin Cancer Res; 2005 Jan 1;11(1):249-58
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  • [Title] Minichromosome maintenance protein 3 elicits a cancer-restricted immune response in patients with brain malignancies and is a strong independent predictor of survival in patients with anaplastic astrocytoma.
  • PURPOSE: The identification of new molecular markers in astrocytic tumors may help to understand the biology of these tumors in more detail.
  • Informative tumor markers may represent prognostic factors for response to therapy and outcome as well as potential targets for novel anticancer therapies.
  • EXPERIMENTAL DESIGN: Tumor-associated antigens were identified by immunoscreening of a human glioma cDNA expression library with allogeneic sera from patients with diffuse astrocytoma (WHO grades 2-4).
  • The expression of one of the identified antigens, the replication licensing factor minichromosome maintenance protein 3 (MCM3), was analyzed by immunohistochemistry in 142 primary and 27 recurrent astrocytomas (WHO grades 2-4).
  • RESULTS: MCM3 is overexpressed in human astrocytic tumors and elicits a cancer-restricted humoral immune response in 9.3% (9 of 97) of patients with brain tumors (n = 95) and brain metastases (n = 2) but not in healthy controls.
  • Expression of MCM3 in diffuse astrocytoma is significantly associated with age (P < 0.001), histologic grade (P < 0.001), time to recurrence (P = 0.01), and expression of the proliferation marker Ki-67 (P < 0.001) but not with sex (P = 0.800).
  • Univariate and multivariate Cox regression analysis confirmed MCM3 expression as an independent predictor of poor outcome in astrocytoma patients (P < 0.001 for both).
  • [MeSH-major] Astrocytoma / immunology. Astrocytoma / mortality. Brain Neoplasms / immunology. Brain Neoplasms / mortality. DNA-Binding Proteins / physiology. Gene Expression Regulation, Neoplastic. Nuclear Proteins / physiology. Transcription Factors / physiology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Astrocytes / metabolism. Cell Cycle Proteins. DNA, Complementary / metabolism. Disease-Free Survival. Escherichia coli / metabolism. Female. Gene Library. Glioma / metabolism. Humans. Immunohistochemistry. Ki-67 Antigen / biosynthesis. Male. Middle Aged. Minichromosome Maintenance Complex Component 3. Neoplasm Metastasis. Oligonucleotide Array Sequence Analysis. Prognosis. Proportional Hazards Models. Recurrence. Time Factors. Treatment Outcome

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  • (PMID = 15671553.001).
  • [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 / Cell Cycle Proteins; 0 / DNA, Complementary; 0 / DNA-Binding Proteins; 0 / Ki-67 Antigen; 0 / MCM3 protein, human; 0 / Nuclear Proteins; 0 / Transcription Factors; EC 3.6.4.12 / Minichromosome Maintenance Complex Component 3
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2. Benesch M, Eder HG, Sovinz P, Raith J, Lackner H, Moser A, Urban C: Residual or recurrent cerebellar low-grade glioma in children after tumor resection: is re-treatment needed? A single center experience from 1983 to 2003. Pediatr Neurosurg; 2006;42(3):159-64
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  • [Title] Residual or recurrent cerebellar low-grade glioma in children after tumor resection: is re-treatment needed? A single center experience from 1983 to 2003.
  • PURPOSE: The aim of this study was to report on children with cerebellar low-grade glioma (LGG), who were found to have progressive or nonprogresssive residual tumors or tumor recurrence after tumor resection.
  • RESULTS: Of 289 patients with CNS tumors referred between 1983 and 2003, 28 (9.7%) (15 male, 13 female; median age at diagnosis: 71 months) had cerebellar LGG (pilocytic astrocytoma grade I: n = 21; fibrillary astrocytoma grade II: n = 5; mixed hamartoma/pilocytic astrocytoma: n = 1; radiographic diagnosis: n = 1).
  • CONCLUSIONS: A 'wait and see' strategy is justified in patients with nonprogressive recurrent or residual cerebellar LGG after primary tumor resection.
  • [MeSH-major] Astrocytoma / surgery. Cerebellar Neoplasms / surgery. Neoplasm Recurrence, Local / surgery. Neoplasm, Residual / surgery

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  • [Copyright] Copyright 2006 S. Karger AG, Basel
  • (PMID = 16636617.001).
  • [ISSN] 1016-2291
  • [Journal-full-title] Pediatric neurosurgery
  • [ISO-abbreviation] Pediatr Neurosurg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Switzerland
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3. Arjona D, Bello MJ, Rey JA: EGFR intragenic loss and gene amplification in astrocytic gliomas. Cancer Genet Cytogenet; 2006 Jan 1;164(1):39-43
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  • [Title] EGFR intragenic loss and gene amplification in astrocytic gliomas.
  • We have studied EGFR gene amplification and allelic status of chromosome 7 in 68 tumors consisting of 34 WHO grade IV glioblastomas (26 primary and 8 secondary), 14 WHO grade III anaplastic astrocytomas, and 20 WHO grade II astrocytomas, by polymerase chain reaction-single-strand conformation polymorphism (PCR-SSCP), quantitative PCR, and microsatellite analysis.
  • [MeSH-major] Astrocytoma / genetics. Gene Amplification. Genes, erbB-1. Loss of Heterozygosity

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  • (PMID = 16364761.001).
  • [ISSN] 0165-4608
  • [Journal-full-title] Cancer genetics and cytogenetics
  • [ISO-abbreviation] Cancer Genet. Cytogenet.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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4. Grau SJ, Trillsch F, Herms J, Thon N, Nelson PJ, Tonn JC, Goldbrunner R: Expression of VEGFR3 in glioma endothelium correlates with tumor grade. J Neurooncol; 2007 Apr;82(2):141-50
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  • [Title] Expression of VEGFR3 in glioma endothelium correlates with tumor grade.
  • While VEGFR2 is thought to play a central role in tumor angiogenesis, anti-angiogenic therapies targeting VEGFR2 in glioma models can show escape phenomena with secondary onset of angiogenesis.
  • The purpose of this study was to find explanations for these processes by searching for alternative pathways regulating glioma angiogenesis and reveal a correlation with tumor grade.
  • Thus, VEGFR3, which is not expressed in normal brain, and its ligands VEGF-C and -D, were assessed in high grade (WHO degrees IV, glioblastomas, GBM) and low grade gliomas [WHO degrees II astrocytomas (AII)].
  • In all GBM, a strong protein expression of VEGFR3 was found on tumor endothelium, VEGF-C and -D expression was found on numerous cells in areas of high vascularization.
  • In AII, only very moderate VEGFR3, VEGF-C and -D expression was found on protein and RNA level indicating a correlation of VEGFR3 expression with tumor grade.
  • The demonstration of a complete angiogenic signaling system that is dependent on tumor grade may influence the traditional paradigm of glioma angiogenesis and may provide a basis for more effective anti-angiogenic treatment strategies.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Endothelium, Vascular / metabolism. Vascular Endothelial Growth Factor Receptor-3 / metabolism
  • [MeSH-minor] Adult. Aged. Antigens, CD31 / metabolism. Female. Humans. Male. Middle Aged. Neoplasm Staging. Neovascularization, Pathologic. Tumor Cells, Cultured. Vascular Endothelial Growth Factor C / metabolism. Vascular Endothelial Growth Factor D / metabolism. Vascular Endothelial Growth Factor Receptor-2 / metabolism

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  • (PMID = 17115285.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD31; 0 / VEGFC protein, human; 0 / Vascular Endothelial Growth Factor C; 0 / Vascular Endothelial Growth Factor D; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-2; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-3
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5. Porto L, Kieslich M, Franz K, Lehrbecher T, Pilatus U, Hattingen E: Proton magnetic resonance spectroscopic imaging in pediatric low-grade gliomas. Brain Tumor Pathol; 2010 Oct;27(2):65-70
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  • [Title] Proton magnetic resonance spectroscopic imaging in pediatric low-grade gliomas.
  • Our purpose was to investigate whether in vivo proton magnetic resonance spectroscopic imaging, using normalized concentrations of total choline (tCho) and total creatine (tCr), can differentiate between WHO grade I pilocytic astrocytoma (PA) and diffuse, fibrillary WHO grade II astrocytoma (DA) in children.
  • Data from 16 children with astrocytomas (11 children with PA and 5 children with DA) were evaluated retrospectively.
  • MRS was performed before treatment in all patients with histologically proven low-grade astrocytomas.
  • We concluded that choline as a single parameter is not reliable in the differential diagnosis of low-grade astrocytomas in children.
  • [MeSH-minor] Adolescent. Astrocytoma / diagnosis. Astrocytoma / metabolism. Astrocytoma / pathology. Brain / pathology. Child. Child, Preschool. Choline / metabolism. Creatine / metabolism. Diagnosis, Differential. Female. Humans. Infant. Infratentorial Neoplasms / metabolism. Infratentorial Neoplasms / pathology. Magnetic Resonance Spectroscopy. Male. Supratentorial Neoplasms / metabolism. Supratentorial Neoplasms / pathology

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  • (PMID = 21046307.001).
  • [ISSN] 1861-387X
  • [Journal-full-title] Brain tumor pathology
  • [ISO-abbreviation] Brain Tumor Pathol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] MU72812GK0 / Creatine; N91BDP6H0X / Choline
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6. Järvelä S, Helin H, Haapasalo J, Järvelä T, Junttila TT, Elenius K, Tanner M, Haapasalo H, Isola J: Amplification of the epidermal growth factor receptor in astrocytic tumours by chromogenic in situ hybridization: association with clinicopathological features and patient survival. Neuropathol Appl Neurobiol; 2006 Aug;32(4):441-50
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  • [Title] Amplification of the epidermal growth factor receptor in astrocytic tumours by chromogenic in situ hybridization: association with clinicopathological features and patient survival.
  • Chromogenic in situ hybridization (CISH) was used to detect amplification of the epidermal growth factor receptor (EGFR) gene in tissue microarrays of tumours derived from 287 patients with grade II-IV diffuse astrocytomas.
  • Amplification was found in 32% of the tumours with a highly significant association with histological grade (4% in grade II, 21% in grade III and 39% in grade IV; P < 0.001).
  • The survival of patients with EGFR gene-amplified grade III tumours was significantly shorter than in those with grade III non-amplified tumours (P = 0.03).
  • No such difference was noted in glioblastomas (grade IV tumours).
  • Our data verify the central role of EGFR in the pathobiology of astrocytic tumours, and highlight the advantages of CISH as a simple and practical assay to screen for EGFR gene amplification in astrocytic tumours.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Receptor, Epidermal Growth Factor / genetics. Receptor, Epidermal Growth Factor / metabolism
  • [MeSH-minor] Adolescent. Adult. Age Factors. Aged. Aged, 80 and over. Apoptosis / physiology. Child. Child, Preschool. Chromogenic Compounds. Female. Gene Amplification. Humans. Immunohistochemistry. In Situ Hybridization. Male. Middle Aged. Protein Array Analysis. RNA, Messenger / analysis. Reverse Transcriptase Polymerase Chain Reaction. Survival Analysis. Survival Rate. Tumor Suppressor Protein p53

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  • [ErratumIn] Neuropathol Appl Neurobiol. 2006 Oct;32(5):568. Järvellä, S [corrected to Järvelä, Sally]; Järvellä, T [corrected to Järvelä, Timo]
  • (PMID = 16866989.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Chromogenic Compounds; 0 / RNA, Messenger; 0 / Tumor Suppressor Protein p53; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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7. Burzynski SR, Janicki TJ, Weaver RA, Burzynski B: Targeted therapy with antineoplastons A10 and AS2-1 of high-grade, recurrent, and progressive brainstem glioma. Integr Cancer Ther; 2006 Mar;5(1):40-7
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  • [Title] Targeted therapy with antineoplastons A10 and AS2-1 of high-grade, recurrent, and progressive brainstem glioma.
  • Treatment is even more challenging when an inoperable tumor is of high-grade pathology (HBSG).
  • Fourteen patients had diffuse intrinsic tumors.
  • RESULTS: The overall survival at 2 and 5 years was 39% and 22%, respectively, and maximum survival was more than 17 years for a patient with anaplastic astrocytoma and more than 5 years for a patient with glioblastoma.
  • Antineoplastons were tolerated very well with 1 case of grade 4 toxicity (reversible anemia).
  • CONCLUSION: Antineoplastons contributed to more than a 5-year survival in recurrent diffuse intrinsic glioblastomas and anaplastic astrocytomas of the brainstem in a small group of patients.
  • [MeSH-major] Benzeneacetamides / administration & dosage. Brain Stem Neoplasms / drug therapy. Glioma / drug therapy. Glutamine / analogs & derivatives. Neoplasm Recurrence, Local / drug therapy. Phenylacetates / administration & dosage. Piperidones / administration & dosage
  • [MeSH-minor] Adolescent. Adult. Child. Child, Preschool. Dose-Response Relationship, Drug. Drug Administration Schedule. Drug Combinations. Female. Follow-Up Studies. Humans. Injections, Intravenous. Magnetic Resonance Imaging. Male. Maximum Tolerated Dose. Neoplasm Staging. Risk Assessment. Survival Analysis. Treatment Outcome

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  • (PMID = 16484713.001).
  • [ISSN] 1534-7354
  • [Journal-full-title] Integrative cancer therapies
  • [ISO-abbreviation] Integr Cancer Ther
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase II; Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Benzeneacetamides; 0 / Drug Combinations; 0 / Phenylacetates; 0 / Piperidones; 0RH81L854J / Glutamine; 104624-98-8 / antineoplaston AS 2-1; 91531-30-5 / antineoplaston A10
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8. La Torre D, de Divitiis O, Conti A, Angileri FF, Cardali S, Aguennouz M, Aragona M, Panetta S, d'Avella D, Vita G, La Torre F, Tomasello F: Expression of telomeric repeat binding factor-1 in astroglial brain tumors. Neurosurgery; 2005 Apr;56(4):802-10
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  • METHODS: Twenty flash-frozen surgical specimens obtained from adult patients who underwent craniotomy for microsurgical tumor resection, histologically verified as World Health Organization Grade II to IV astrocytomas, were used.
  • Expression of TRF1 in astrocytomas of different grades was studied by means of both immunohistochemical and Western blotting analysis.
  • RESULTS: TRF1 was expressed in all tumor samples.
  • The level of its expression was variable, decreasing from low-grade through high-grade astrocytomas (P = 0.0032).
  • CONCLUSION: Our findings suggest that the loss of TRF1 expression capability, as a result of down-regulation of TRF1 expression in malignant gliomas cells, may play a role in the malignant progression of astroglial brain tumors.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Telomeric Repeat Binding Protein 1 / genetics

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  • (PMID = 15792519.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Telomeric Repeat Binding Protein 1
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9. Blázquez C, Carracedo A, Salazar M, Lorente M, Egia A, González-Feria L, Haro A, Velasco G, Guzmán M: Down-regulation of tissue inhibitor of metalloproteinases-1 in gliomas: a new marker of cannabinoid antitumoral activity? Neuropharmacology; 2008 Jan;54(1):235-43
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  • Cannabinoids, the active components of Cannabis sativa L. and their derivatives, inhibit tumor growth in laboratory animals by inducing apoptosis of tumor cells and inhibiting tumor angiogenesis.
  • It has also been reported that cannabinoids inhibit tumor cell invasiveness, but the molecular targets of this cannabinoid action remain elusive.
  • Here we evaluated the effects of cannabinoids on the expression of tissue inhibitors of metalloproteinases (TIMPs), which play critical roles in the acquisition of migrating and invasive capacities by tumor cells.
  • This cannabinoid-induced inhibition of TIMP-1 expression in gliomas (i) was mimicked by JWH-133, a selective CB(2) cannabinoid receptor agonist that is devoid of psychoactive side effects, (ii) was abrogated by fumonisin B1, a selective inhibitor of ceramide synthesis de novo, and (iii) was also evident in two patients with recurrent glioblastoma multiforme (grade IV astrocytoma).
  • THC also depressed TIMP-1 expression in cultures of various human glioma cell lines as well as in primary tumor cells obtained from a glioblastoma multiforme patient.
  • [MeSH-minor] Analysis of Variance. Animals. Cannabinoids / therapeutic use. Cell Line, Tumor. Cell Movement / drug effects. Ceramides / biosynthesis. Dronabinol / therapeutic use. Humans. Mice. Models, Animal. RNA Interference / physiology. Rats. Xenograft Model Antitumor Assays

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  • (PMID = 17675107.001).
  • [ISSN] 0028-3908
  • [Journal-full-title] Neuropharmacology
  • [ISO-abbreviation] Neuropharmacology
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / 1,1-dimethylbutyl-1-deoxy-Delta(9)-THC; 0 / Cannabinoids; 0 / Ceramides; 0 / Tissue Inhibitor of Metalloproteinase-1; 7J8897W37S / Dronabinol
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10. Grossman SA, Alavi JB, Supko JG, Carson KA, Priet R, Dorr FA, Grundy JS, Holmlund JT: Efficacy and toxicity of the antisense oligonucleotide aprinocarsen directed against protein kinase C-alpha delivered as a 21-day continuous intravenous infusion in patients with recurrent high-grade astrocytomas. Neuro Oncol; 2005 Jan;7(1):32-40
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  • [Title] Efficacy and toxicity of the antisense oligonucleotide aprinocarsen directed against protein kinase C-alpha delivered as a 21-day continuous intravenous infusion in patients with recurrent high-grade astrocytomas.
  • Aprinocarsen is an antisense oligonucleotide against PKC-alpha that reduces PKC-alphain human cell lines and inhibits a human glioblastoma tumor cell line in athymic mice.
  • In this phase 2 study, aprinocarsen was administered to patients with recurrent high-grade gliomas by continuous intravenous infusion (2.0 mg/kg/day for 21 days per month).
  • Their median age was 46 years (range, 28-68 years), median Karnofsky performance status was 80 (range, 60-100), median tumor volume was 58 cm3 (range, 16-254 cm3), and histology included glioblastoma multiforme (n = 16), anaplastic oligodendroglioma (n = 4), and anaplastic astrocytoma (n = 1).
  • No tumor responses were observed.
  • The observed toxicities were mild, reversible, and uncommon (grade 3 thrombocytopenia [n = 3] and grade 4 AST [n = 1]), and no coagulopathy or CNS bleeding resulted from this therapy.
  • This is the first study to use an antisense oligonucleotide or a specific PKC-alpha inhibitor in patients with high-grade gliomas.
  • The rapid deterioration seen in these patients could result from tumor growth or an effect of aprinocarsen on bloodbrain barrier integrity.

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  • (PMID = 15701280.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / U01 CA062475; United States / NCI NIH HHS / CA / U01-CA-26406; United States / NCI NIH HHS / CA / UO1CA-62475
  • [Publication-type] Clinical Trial; Clinical Trial, Phase II; Journal Article; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Oligonucleotides, Antisense; 0 / Phosphorothioate Oligonucleotides; EC 2.7.11.13 / PRKCA protein, human; EC 2.7.11.13 / Protein Kinase C; EC 2.7.11.13 / Protein Kinase C-alpha; FMT95051CQ / aprinocarsen
  • [Other-IDs] NLM/ PMC1871621
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11. Benedetti E, Galzio R, Cinque B, Biordi L, D'Amico MA, D'Angelo B, Laurenti G, Ricci A, Festuccia C, Cifone MG, Lombardi D, Cimini A: Biomolecular characterization of human glioblastoma cells in primary cultures: differentiating and antiangiogenic effects of natural and synthetic PPARgamma agonists. J Cell Physiol; 2008 Oct;217(1):93-102
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  • Gliomas are the most commonly diagnosed malignant brain primary tumors.
  • Prognosis of patients with high-grade gliomas is poor and scarcely affected by radiotherapy and chemotherapy.
  • PPARgamma has been identified in transformed neural cells of human origin and it has been demonstrated that PPARgamma agonists decrease cell proliferation, stimulate apoptosis and induce morphological changes and expression of markers typical of a more differentiated phenotype in glioblastoma and astrocytoma cell lines.
  • [MeSH-minor] Apoptosis / drug effects. Blotting, Western. Cell Adhesion / drug effects. Cell Movement / drug effects. Cell Proliferation / drug effects. Cells, Cultured. Fluorescent Antibody Technique. Humans. Neovascularization, Pathologic / metabolism. Nitric Oxide Synthase Type II / biosynthesis. Nitric Oxide Synthase Type II / drug effects. Reverse Transcriptase Polymerase Chain Reaction. Vascular Endothelial Growth Factor A / biosynthesis. Vascular Endothelial Growth Factor A / drug effects

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  • [Copyright] (c) 2008 Wiley-Liss, Inc.
  • (PMID = 18446822.001).
  • [ISSN] 1097-4652
  • [Journal-full-title] Journal of cellular physiology
  • [ISO-abbreviation] J. Cell. Physiol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / 2-chloro-5-nitrobenzanilide; 0 / Anilides; 0 / Linoleic Acids, Conjugated; 0 / PPAR gamma; 0 / Vascular Endothelial Growth Factor A; EC 1.14.13.39 / Nitric Oxide Synthase Type II
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12. Miyajima Y, Sato Y, Oka H, Utsuki S, Kondo K, Tanizaki Y, Nagashio R, Tsuchiya B, Okayasu I, Fujii K: Prognostic significance of nuclear DJ-1 expression in astrocytoma. Anticancer Res; 2010 Jan;30(1):265-9
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  • [Title] Prognostic significance of nuclear DJ-1 expression in astrocytoma.
  • The present study was conducted to determine whether any correlation exists between the expression of DJ-1 and WHO grading of the tumor or patient prognosis, and to analyze the function of this oncogene in astrocytomas.
  • Twenty-nine formalin-fixed and paraffin-embedded glioblastomas (grade IV), 21 anaplastic astorocytomas (grade III), and 14 diffuse astrocytomas (grade II) were immunohistochemically studied to identify the expression of DJ-1 protein.
  • The expression of DJ-1 was detected both in the nucleus and cytoplasm of tumor cells; however, such expression varied from case to case.
  • While there was no difference in the cytoplasmic expression of DJ-1 among astrocytomas, its nuclear expression was inversely correlated with the WHO grading of astrocytomas.
  • The present study demonstrated that the survival of patients with astrocytomas was correlated with the nuclear DJ-1 status of the tumor.
  • We herein demonstrated for the first time that the DJ-1 molecule might therefore play an important role as a tumor suppressor in astrocytomas.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Oncogene Proteins / biosynthesis

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  • (PMID = 20150646.001).
  • [ISSN] 1791-7530
  • [Journal-full-title] Anticancer research
  • [ISO-abbreviation] Anticancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Intracellular Signaling Peptides and Proteins; 0 / Oncogene Proteins; 0 / PARK7 protein, human
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13. Osztie E, Hanzély Z, Afra D: Lateral ventricle gliomas and central neurocytomas in adults diagnosis and perspectives. Eur J Radiol; 2009 Jan;69(1):67-73
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  • Eight subependymal giant cell astrocytomas also displayed hypodense, rarely hyperdense or mixed imaging characteristics, and always showed significant degree of contrast enhancement.
  • Ependymomas and anaplastic astrocytomas and glioblastomas followed the characteristics of the similar extraventricular ones.
  • In our series low-grade astrocytomas, WHO I-II [Louis DN, Ohgaki H, Wiestler OD, Canevee WK.
  • WHO classification of tumours of the central nervous system.
  • Survival data were available in 65 cases, which have confirmed a favourable outcome in most of the patients with subependymoma, subependymal giant cell astrocytoma, central neurocytomas or pilocytic astrocytoma.

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  • (PMID = 18023315.001).
  • [ISSN] 1872-7727
  • [Journal-full-title] European journal of radiology
  • [ISO-abbreviation] Eur J Radiol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Ireland
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14. Wildeboer D, Naus S, Amy Sang QX, Bartsch JW, Pagenstecher A: Metalloproteinase disintegrins ADAM8 and ADAM19 are highly regulated in human primary brain tumors and their expression levels and activities are associated with invasiveness. J Neuropathol Exp Neurol; 2006 May;65(5):516-27
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  • Their putative biological and pathological roles make them candidates for promoting tumor growth and malignancy.
  • We investigated the expression levels of 12 cerebrally expressed ADAM genes in human primary brain tumors (astrocytoma WHO grade I-III, glioblastoma WHO grade IV, oligoastrocytoma WHO grade II and III, oligodendroglioma WHO grade II and III, ependymoma WHO grade II and III, and primitive neuroectodermal tumor WHO grade IV) using real-time PCR.
  • The ADAM8 and ADAM19 proteins were mainly located in tumor cells and in some tumors in endothelia of blood vessels.
  • In brain tumor tissue, ADAM8 and ADAM19 undergo activation by prodomain removal resulting in active proteases.
  • By using specific peptide substrates for ADAM8 and ADAM19, respectively, we demonstrated that the proteases exert enhanced proteolytic activity in those tumor specimens with the highest expression levels.
  • In addition, expression levels and the protease activities of ADAM8 and ADAM19 correlated with invasive activity of glioma cells, indicating that ADAM8 and ADAM19 may play a significant role in tumor invasion that may be detrimental to patients survival.
  • [MeSH-minor] Animals. Blotting, Western / methods. Cell Line, Tumor. Enzyme Activation. Humans. Immunohistochemistry / methods. Metalloproteases / physiology. Neoplasm Invasiveness. RNA, Messenger. Rats. Reverse Transcriptase Polymerase Chain Reaction / methods

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  • (PMID = 16772875.001).
  • [ISSN] 0022-3069
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA78646
  • [Publication-type] Comparative Study; Journal Article; 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 / Membrane Proteins; 0 / RNA, Messenger; EC 3.4.- / Metalloproteases; EC 3.4.24.- / ADAM Proteins; EC 3.4.24.- / ADAM19 protein, human; EC 3.4.24.- / ADAM8 protein, human
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15. Jacobs AH, Thomas A, Kracht LW, Li H, Dittmar C, Garlip G, Galldiks N, Klein JC, Sobesky J, Hilker R, Vollmar S, Herholz K, Wienhard K, Heiss WD: 18F-fluoro-L-thymidine and 11C-methylmethionine as markers of increased transport and proliferation in brain tumors. J Nucl Med; 2005 Dec;46(12):1948-58
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  • 3'-Deoxy-3'-18F-fluorothymidine (18F-FLT) has been introduced as a proliferation marker in a variety of neoplasias and has promising potential for the detection of brain tumors, because its uptake in normal brain is low.
  • Images were coregistered, and the volumes of abnormality were defined for PET and MRI.
  • RESULTS: Sensitivity for the detection of tumors was lower for 18F-FLT than for 11C-MET (78.3% vs. 91.3%), especially for low-grade astrocytomas.
  • Tumor volumes detected by 18F-FLT and 11C-MET were larger than tumor regions displaying gadolinium enhancement (P<0.01).
  • Uptake ratios of 18F-FLT were higher in glioblastomas than in astrocytomas (P<0.01).
  • Absolute radiotracer uptake of 18F-FLT was low and significantly lower than that of 11C-MET (SUV, 1.3+/-0.7 vs. 3.1+/-1.0; P<0.01).
  • Some tumor regions were detected only by either 18F-FLT (7 patients) or 11C-MET (13 patients).
  • Kinetic modeling revealed that 18F-FLT uptake in tumor tissue seems to be predominantly due to elevated transport and net influx.
  • However, a moderate correlation was found between uptake ratio and phosphorylation rate k3 (r=0.65 and P=0.01 for grade II-IV gliomas; r=0.76 and P<0.01 for grade III-IV tumors).
  • CONCLUSION: 18F-FLT is a promising tracer for the detection and characterization of primary central nervous system tumors and might help to differentiate between low- and high-grade gliomas.
  • In some tumors and tumor areas, 18F-FLT uptake is not related to 11C-MET uptake.
  • However, the discrepancies observed for the various imaging modalities (18F-FLT and 11C-MET PET as well as gadolinium-enhanced MRI) yield complementary information on the activity and the extent of gliomas and might improve early evaluation of treatment effects, especially in patients with high-grade gliomas.
  • [MeSH-major] Antiviral Agents / pharmacology. Astrocytoma / radionuclide imaging. Brain Neoplasms / radionuclide imaging. Dideoxynucleosides / pharmacology. Glioma / radionuclide imaging. Medulloblastoma / radionuclide imaging. Methionine / analogs & derivatives. Radiopharmaceuticals / pharmacology

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  • (PMID = 16330557.001).
  • [ISSN] 0161-5505
  • [Journal-full-title] Journal of nuclear medicine : official publication, Society of Nuclear Medicine
  • [ISO-abbreviation] J. Nucl. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antiviral Agents; 0 / Dideoxynucleosides; 0 / Radiopharmaceuticals; AE28F7PNPL / Methionine; BN630929UL / methionine methyl ester; PG53R0DWDQ / alovudine
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16. Likavcanová K, Dobrota D, Liptaj T, Prónayová N, Mlynárik V, Belan V, Galanda M, Béres A, De Riggo J: In vitro study of astrocytic tumour metabolism by proton magnetic resonance spectroscopy. Gen Physiol Biophys; 2005 Sep;24(3):327-35
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  • [Title] In vitro study of astrocytic tumour metabolism by proton magnetic resonance spectroscopy.
  • In vivo magnetic resonance spectroscopy (MRS) studies of glial brain tumours reported that higher grade of astrocytoma is associated with increased level of choline-containing compounds (Cho) and decreased levels of N-acetylaspartate (NAA) and creatine and phosphocreatine (Cr).
  • 1H-MR spectra were recorded in vitro from perchloric acid extracts of astrocytoma (WHO II) and glioblastoma multiforme (WHO IV) samples.
  • We observed differences between astrocytoma and glioblastoma multiforme in the levels of Cho, alanine, lactate, NAA, and glutamate/glutamine.
  • In astrocytoma samples, we found higher MR signal of NAA and lower signal of Cho and alanine.
  • The NAA/Cr ratio was higher in astrocytomas than in glioblastomas multiforme.
  • [MeSH-major] Astrocytes / pathology. Astrocytoma / pathology. Brain Neoplasms / pathology. Magnetic Resonance Spectroscopy / methods. Neoplasms / metabolism

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  • (PMID = 16308427.001).
  • [ISSN] 0231-5882
  • [Journal-full-title] General physiology and biophysics
  • [ISO-abbreviation] Gen. Physiol. Biophys.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Slovakia
  • [Chemical-registry-number] 020IUV4N33 / Phosphocreatine; 0R0008Q3JB / Chromium; 30KYC7MIAI / Aspartic Acid; 997-55-7 / N-acetylaspartate; MU72812GK0 / Creatine; N91BDP6H0X / Choline
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17. Johannessen AL, Torp SH: The clinical value of Ki-67/MIB-1 labeling index in human astrocytomas. Pathol Oncol Res; 2006;12(3):143-7
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  • [Title] The clinical value of Ki-67/MIB-1 labeling index in human astrocytomas.
  • The current WHO classification of human astrocytomas has limitations in predicting prognosis and diagnosis, and there is a need for additional factors.
  • All studies show increasing values of Ki-67/MIB-1 LI with increasing grade of malignancy.
  • Most of them demonstrate that MIB-1 LI differentiates well between diffuse astrocytomas WHO grade II (AII) and anaplastic astrocytomas (AA) and between AII and glioblastomas (GM), but not between AA and GM.
  • The studies reviewed report MIB-1 LI as an important prognostic factor in human astrocytomas.
  • Due to the great spread of values between the various tumor grades, however, MIB-1 LI cannot be used as a diagnostic factor alone but should be used in combination with established criteria of histological malignancy.
  • It may be especially useful in cases where histology reveals a low-grade astrocytoma whereas other parameters indicate a more malignant neoplasm.
  • Thus, it is our opinion that MIB-1 LI should be a part of the routine investigation in patients with astrocytic tumors.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. Ki-67 Antigen / metabolism

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  • (PMID = 16998593.001).
  • [ISSN] 1219-4956
  • [Journal-full-title] Pathology oncology research : POR
  • [ISO-abbreviation] Pathol. Oncol. Res.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Antibodies, Antinuclear; 0 / Antibodies, Monoclonal; 0 / Ki-67 Antigen; 0 / MIB-1 antibody
  • [Number-of-references] 20
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18. Soffietti R, Baumert BG, Bello L, von Deimling A, Duffau H, Frénay M, Grisold W, Grant R, Graus F, Hoang-Xuan K, Klein M, Melin B, Rees J, Siegal T, Smits A, Stupp R, Wick W, European Federation of Neurological Societies: Guidelines on management of low-grade gliomas: report of an EFNS-EANO Task Force. Eur J Neurol; 2010 Sep;17(9):1124-33
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  • [Title] Guidelines on management of low-grade gliomas: report of an EFNS-EANO Task Force.
  • BACKGROUND: Diffuse infiltrative low-grade gliomas of the cerebral hemispheres in the adult are a group of tumors with distinct clinical, histological and molecular characteristics, and there are still controversies in management.
  • RESULTS AND CONCLUSIONS: WHO classification recognizes grade II astrocytomas, oligodendrogliomas and oligoastrocytomas.
  • Total/near total resection can improve seizure control, progression-free and overall survival, whilst reducing the risk of malignant transformation.
  • Low doses of radiation are as effective as high doses and better tolerated.
  • Neurocognitive deficits are frequent and can be caused by the tumor itself, tumor-related epilepsy, treatments and psychological distress.
  • [MeSH-minor] Cognition Disorders / drug therapy. Cognition Disorders / etiology. Cognition Disorders / surgery. Combined Modality Therapy / methods. Combined Modality Therapy / standards. Europe. Evidence-Based Medicine / trends. Humans. Neoplasm Metastasis / diagnosis. Neoplasm Metastasis / drug therapy. Neoplasm Metastasis / radiotherapy. Neoplasm Recurrence, Local / drug therapy. Neoplasm Recurrence, Local / radiotherapy. Neoplasm Recurrence, Local / surgery. Neurosurgical Procedures / methods. Neurosurgical Procedures / standards. Prognosis

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  • (PMID = 20718851.001).
  • [ISSN] 1468-1331
  • [Journal-full-title] European journal of neurology
  • [ISO-abbreviation] Eur. J. Neurol.
  • [Language] eng
  • [Publication-type] Journal Article; Practice Guideline
  • [Publication-country] England
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19. Alexiou GA, Fotopoulos AD, Papadopoulos A, Kyritsis AP, Polyzoidis KS, Tsiouris S: Evaluation of brain tumor recurrence by (99m)Tc-tetrofosmin SPECT: a prospective pilot study. Ann Nucl Med; 2007 Jul;21(5):293-8
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  • [Title] Evaluation of brain tumor recurrence by (99m)Tc-tetrofosmin SPECT: a prospective pilot study.
  • OBJECTIVE: The differentiation between brain tumor recurrence and post-irradiation injury remains an imaging challenge.
  • We assessed (99m)Tc-TF single-photon emission CT (SPECT) in cases where morphologic brain imaging was inconclusive between recurrence and radionecrosis.
  • The initial diagnosis was glioblastoma multiforme (4), anaplastic astrocytoma (1), anaplastic oligodendroglioma (3), grade-II astrocytoma (2), and low-grade oligodendroglioma (1).
  • [MeSH-minor] Adult. Brain / pathology. Brain / radionuclide imaging. Cell Line, Tumor. Female. Humans. Magnetic Resonance Imaging / methods. Male. Middle Aged. Pilot Projects. Tomography, X-Ray Computed / methods

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  • (PMID = 17634847.001).
  • [ISSN] 0914-7187
  • [Journal-full-title] Annals of nuclear medicine
  • [ISO-abbreviation] Ann Nucl Med
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Organophosphorus Compounds; 0 / Organotechnetium Compounds; 0 / Radiopharmaceuticals; 0 / technetium Tc 99m 1,2-bis(bis(2-ethoxyethyl)phosphino)ethane
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20. Chang SM, Nelson S, Vandenberg S, Cha S, Prados M, Butowski N, McDermott M, Parsa AT, Aghi M, Clarke J, Berger M: Integration of preoperative anatomic and metabolic physiologic imaging of newly diagnosed glioma. J Neurooncol; 2009 May;92(3):401-15
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  • Regions of interest corresponding to anatomic and metabolic lesions were identified to assess tumor burden.
  • MR parameters that had been found to be predictive of survival in patients with grade IV glioma were evaluated as a function of tumor grade and histological sub-type.
  • RESULTS: Histological analysis indicated that the population comprised 56 patients with grade II, 31 with grade III, and 56 with grade IV glioma.
  • Based on standard anatomic imaging, the presence of hypointense necrotic regions in post-Gadolinium T1-weighted images and the percentage of the T2 hyperintense lesion that was either enhancing or necrotic were effective in identifying patients with grade IV glioma.
  • The individual parameters of diffusion and perfusion parameters were significantly different for patients with grade II astrocytoma versus oligodendroglioma sub-types.
  • Lactate was higher for grade III and grade IV glioma and lipid was significantly elevated for grade IV glioma.
  • CONCLUSION: Metabolic and physiologic imaging characteristics provide information about tumor heterogeneity that may be important for assisting the surgeon to ensure acquisition of representative histology.

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  • (PMID = 19357966.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P01 CA118816; United States / NCI NIH HHS / CA / R01 CA116041; United States / NCI NIH HHS / CA / P50 CA97257; United States / NCI NIH HHS / CA / P50 CA097257; United States / NCI NIH HHS / CA / CA097257-080002; United States / NCI NIH HHS / CA / P01 CA 118816; United States / NCI NIH HHS / CA / R01 CA059880; United States / NCI NIH HHS / CA / P50 CA097257-080002
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Protons
  • [Other-IDs] NLM/ NIHMS177631; NLM/ PMC2834319
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21. Malzkorn B, Wolter M, Liesenberg F, Grzendowski M, Stühler K, Meyer HE, Reifenberger G: Identification and functional characterization of microRNAs involved in the malignant progression of gliomas. Brain Pathol; 2010 May;20(3):539-50
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  • [Title] Identification and functional characterization of microRNAs involved in the malignant progression of gliomas.
  • Diffuse astrocytoma of World Health Organization (WHO) grade II has an inherent tendency to spontaneously progress to anaplastic astrocytoma WHO grade III or secondary glioblastoma WHO grade IV.
  • We explored the role of microRNAs (miRNAs) in glioma progression by investigating the expression profiles of 157 miRNAs in four patients with primary WHO grade II gliomas that spontaneously progressed to WHO grade IV secondary glioblastomas.
  • Validation experiments on independent series of primary low-grade and secondary high-grade astrocytomas confirmed miR-17 and miR-184 as promising candidates, which were selected for functional analyses.
  • [MeSH-minor] Cell Dedifferentiation / physiology. Cell Line, Tumor. Disease Progression. Humans

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  • (PMID = 19775293.001).
  • [ISSN] 1750-3639
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Switzerland
  • [Chemical-registry-number] 0 / MicroRNAs
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22. Choi KC, Kwak SE, Kim JE, Sheen SH, Kang TC: Enhanced glial fibrillary acidic protein-delta expression in human astrocytic tumor. Neurosci Lett; 2009 Oct 9;463(3):182-7
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  • [Title] Enhanced glial fibrillary acidic protein-delta expression in human astrocytic tumor.
  • Astrocytic tumor is one of the most common primary tumors of the adult brain.
  • Although there are several biochemical markers for the categorization of astrocytic tumor, few markers are used for histopathological diagnosis.
  • In tissue samples from patients with low-grade astrocytic tumor (grades I and II), GFAP-delta(+) cells appeared stellate, polygonal or round shape.
  • In tissue samples from patients with high-grade astrocytic tumor (grades III and IV), GFAP-delta(+) cells showed round or spindle shape.
  • GFAP-delta immunoreactivities in grades III and IV astrocytic tumor cells were increased by 1.4- and 1.7-fold in comparison to grade I astrocytic tumor cells.
  • GFAP-delta immunoreactivity was also observed in cell bodies along the margins of astrocytic tumor showing normal histological findings, even though astroglia had normal morphology (showing strong GFAP and glutamine synthase immunoreactivities and a stellate shape with well-developed processes).
  • Furthermore, the malignancy of astrocytic tumor was directly correlated with the degree of GFAP-delta immunoreactivity.
  • These findings suggest that GFAP-delta may be a useful diagnostic marker for the evaluation of functional cataplasia or proliferation of astrocytic tumor.
  • [MeSH-major] Astrocytoma / metabolism. Biomarkers, Tumor / biosynthesis. Brain Neoplasms / metabolism. Glial Fibrillary Acidic Protein / biosynthesis

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  • (PMID = 19647039.001).
  • [ISSN] 1872-7972
  • [Journal-full-title] Neuroscience letters
  • [ISO-abbreviation] Neurosci. Lett.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Ireland
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Glial Fibrillary Acidic Protein; EC 6.3.1.2 / Glutamate-Ammonia Ligase
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23. Ohnishi M, Matsumoto T, Nagashio R, Kageyama T, Utsuki S, Oka H, Okayasu I, Sato Y: Proteomics of tumor-specific proteins in cerebrospinal fluid of patients with astrocytoma: usefulness of gelsolin protein. Pathol Int; 2009 Nov;59(11):797-803
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  • [Title] Proteomics of tumor-specific proteins in cerebrospinal fluid of patients with astrocytoma: usefulness of gelsolin protein.
  • Changes in cerebrospinal fluid (CSF) composition have been shown to accurately reflect pathological processes in the CNS, and are potential indicators of abnormal CNS states, such as tumor growth.
  • To detect biomarkers in high-grade astrocytomas, the differential expression of proteins in the cerebrospinal fluid was analyzed from two cases each of diffuse astrocytoma (grade II), and glioblastoma (grade IV) using agarose 2-D gel electrophoresis (2-DE).
  • It was found that the expression of gelsolin protein decreased with histological grade.
  • To examine whether gelsolin is a useful indicator of tumor aggressiveness or patient outcome, its expression was further studied on immunohistochemistry in 41 formalin-fixed and paraffin-embedded astrocytomas.
  • The positive cell rate of gelsolin in tumors was 59.4% in grade II, 30.0% in grade III and 29.4% in grade IV, respectively.
  • Gelsolin expression was significantly lower in high-grade astrocytomas (grade III or IV) than in low-grade astrocytomas (grade II; P < 0.05).
  • Moreover, in astrocytomas the overall survival of patients in the low-expression group was significantly poorer than in the high expression group (P < 0.05).
  • These data suggest that gelsolin is a prognostic factor in astrocytoma.
  • [MeSH-major] Astrocytoma / cerebrospinal fluid. Biomarkers, Tumor / cerebrospinal fluid. Brain Neoplasms / cerebrospinal fluid. Gelsolin / cerebrospinal fluid

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  • (PMID = 19883430.001).
  • [ISSN] 1440-1827
  • [Journal-full-title] Pathology international
  • [ISO-abbreviation] Pathol. Int.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Gelsolin
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24. Martínez C, Molina JA, Alonso-Navarro H, Jiménez-Jiménez FJ, Agúndez JA, García-Martín E: Two common nonsynonymous paraoxonase 1 (PON1) gene polymorphisms and brain astrocytoma and meningioma. BMC Neurol; 2010;10:71
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  • [Title] Two common nonsynonymous paraoxonase 1 (PON1) gene polymorphisms and brain astrocytoma and meningioma.
  • Aiming to identify genetic variations related to the risk of developing brain tumors, we investigated the putative association between common nonsynonymous PON1 polymorphisms and the risk of developing astrocytoma and meningioma.
  • METHODS: Seventy one consecutive patients with brain tumors (43 with astrocytoma grade II/III and 28 with meningioma) with ages ranging 21 to 76 years, and 220 healthy controls subjects were analyzed for the frequency of the nonsynonymous PON1 genotypes L55M rs854560 and Q192R rs662.
  • RESULTS: The frequencies of the PON1 genotypes and allelic variants of the polymorphisms PON1 L55M and PON1 Q192R did not differ significantly between patients with astrocytoma and meningioma and controls.
  • The minor allele frequencies were as follows: PON1 55L, 0.398, 0.328 and 0.286 for patients with astrocytoma, meningioma and control individuals, respectively; PON1 192R, 0.341, 0.362 and 0.302 for patients with astrocytoma, meningioma and control individuals, respectively.
  • Haplotype association analyses did not identify any significant association with the risk of developing astrocytoma or meningioma.
  • CONCLUSIONS: Common nonsynonymous PON1 polymorphisms are not related with the risk of developing astrocytoma and meningioma.
  • [MeSH-major] Aryldialkylphosphatase / genetics. Astrocytoma / genetics. Brain Neoplasms / genetics. Meningeal Neoplasms / genetics. Meningioma / genetics

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  • (PMID = 20723250.001).
  • [ISSN] 1471-2377
  • [Journal-full-title] BMC neurology
  • [ISO-abbreviation] BMC Neurol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] EC 3.1.8.1 / Aryldialkylphosphatase; EC 3.1.8.1 / PON1 protein, human
  • [Other-IDs] NLM/ PMC2936881
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25. 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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  • [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.
  • To determine mutation types and their frequencies, we examined 1,010 diffuse gliomas.
  • 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.
  • [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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26. Zhou Y, Li W, Xu Q, Huang Y: Elevated expression of Dickkopf-1 increases the sensitivity of human glioma cell line SHG44 to BCNU. J Exp Clin Cancer Res; 2010;29:131
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  • Recently, we found that 9 out of 12 human glioma cell lines had high level of DKK-1 protein while the other 3 had very low or non-detectable level of DKK-1.
  • MATERIALS AND METHODS: The glioma cell line SHG44 was obtained from a patient with grade II-III astrocytoma.
  • [MeSH-minor] Apoptosis / drug effects. Blotting, Western. Caspase 3 / metabolism. Cell Line, Tumor. Cell Shape / drug effects. Flow Cytometry. Humans. Immunohistochemistry. Proto-Oncogene Proteins c-bcl-2 / metabolism. RNA, Messenger / metabolism. Reverse Transcriptase Polymerase Chain Reaction. Transfection. Up-Regulation. bcl-2-Associated X Protein / metabolism

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  • (PMID = 20920327.001).
  • [ISSN] 1756-9966
  • [Journal-full-title] Journal of experimental & clinical cancer research : CR
  • [ISO-abbreviation] J. Exp. Clin. Cancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Alkylating; 0 / BAX protein, human; 0 / DKK1 protein, human; 0 / Intercellular Signaling Peptides and Proteins; 0 / Proto-Oncogene Proteins c-bcl-2; 0 / RNA, Messenger; 0 / bcl-2-Associated X Protein; EC 3.4.22.- / CASP3 protein, human; EC 3.4.22.- / Caspase 3; U68WG3173Y / Carmustine
  • [Other-IDs] NLM/ PMC2958929
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27. Desjardins A, Quinn JA, Vredenburgh JJ, Sathornsumetee S, Friedman AH, Herndon JE, McLendon RE, Provenzale JM, Rich JN, Sampson JH, Gururangan S, Dowell JM, Salvado A, Friedman HS, Reardon DA: Phase II study of imatinib mesylate and hydroxyurea for recurrent grade III malignant gliomas. J Neurooncol; 2007 May;83(1):53-60
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  • [Title] Phase II study of imatinib mesylate and hydroxyurea for recurrent grade III malignant gliomas.
  • We performed the current phase 2 study to evaluate this regimen among patients with recurrent WHO grade III malignant glioma (MG).
  • PATIENTS AND METHOD: Patients with grade III MG at any recurrence, received imatinib mesylate plus hydroxyurea (500 mg twice a day) orally on a continuous, daily schedule.
  • Among patients who achieved at least stable disease at first evaluation, the 6-month and 12-month PFS rates were 53% and 29%, respectively.
  • The most common grade 3 or greater toxicities were hematologic and complicated less than 4% of administered courses.
  • CONCLUSION: Imatinib mesylate plus hydroxyurea, is well tolerated and associated with anti-tumor activity in some patients with recurrent grade 3 MG.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Astrocytoma / drug therapy. Central Nervous System Neoplasms / drug therapy. Oligodendroglioma / drug therapy
  • [MeSH-minor] Adult. Antineoplastic Agents / administration & dosage. Benzamides. Female. Follow-Up Studies. Humans. Hydroxyurea / administration & dosage. Imatinib Mesylate. Male. Middle Aged. Neoplasm Recurrence, Local. Piperazines / administration & dosage. Prognosis. Pyrimidines / administration & dosage. Treatment Outcome

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  • (PMID = 17245623.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA11898; United States / NCRR NIH HHS / RR / M01 RR30; United States / NINDS NIH HHS / NS / NS20023; United States / NCI NIH HHS / CA / P50-CA108786-01
  • [Publication-type] Clinical Trial, Phase II; Controlled Clinical Trial; Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Benzamides; 0 / Piperazines; 0 / Pyrimidines; 8A1O1M485B / Imatinib Mesylate; X6Q56QN5QC / Hydroxyurea
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28. 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.
  • 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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29. Suzuki M, Suzuki M, Nakayama J, Suzuki A, Angata K, Chen S, Sakai K, Hagihara K, Yamaguchi Y, Fukuda M: Polysialic acid facilitates tumor invasion by glioma cells. Glycobiology; 2005 Sep;15(9):887-94
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  • [Title] Polysialic acid facilitates tumor invasion by glioma cells.
  • Although the expression of PSA has been shown to correlate with the progression of certain tumors such as small cell lung carcinoma, there have been no studies to determine the roles of PSA in gliomas, the most common type of primary brain tumor in humans.
  • In this study, we first revealed that among patients with glioma, PSA was detected more frequently in diffuse astrocytoma cells, which spread extensively.
  • These results combined indicate that PSA facilitates tumor invasion of glioma in the brain, and that NCAM-NCAM interaction is likely attenuated in the PSA-mediated tumor invasion.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Cerebral Ventricle Neoplasms / metabolism. Cerebral Ventricle Neoplasms / pathology. Neural Cell Adhesion Molecules / metabolism. Sialic Acids / metabolism
  • [MeSH-minor] Cell Adhesion / genetics. Cell Line, Tumor. Corpus Callosum / metabolism. Corpus Callosum / pathology. Humans. Neoplasm Invasiveness

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  • (PMID = 15872150.001).
  • [ISSN] 0959-6658
  • [Journal-full-title] Glycobiology
  • [ISO-abbreviation] Glycobiology
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / R01 CA33895; United States / NINDS NIH HHS / NS / R01 NS41332
  • [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] England
  • [Chemical-registry-number] 0 / Neural Cell Adhesion Molecules; 0 / Sialic Acids; 0 / polysialic acid
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30. Chang EF, Potts MB, Keles GE, Lamborn KR, Chang SM, Barbaro NM, Berger MS: Seizure characteristics and control following resection in 332 patients with low-grade gliomas. J Neurosurg; 2008 Feb;108(2):227-35
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  • [Title] Seizure characteristics and control following resection in 332 patients with low-grade gliomas.
  • OBJECT: Seizures play an important role in the clinical presentation and postoperative quality of life of patients who undergo surgical resection of low-grade gliomas (LGGs).
  • METHODS: The authors performed a retrospective chart review of all cases involving adult patients who underwent initial surgery for LGGs at the University of California, San Francisco between 1997 and 2003.
  • Cortical location and oligodendroglioma and oligoastrocytoma subtypes were significantly more likely to be associated with seizures compared with deeper midline locations and astrocytoma, respectively (p=0.017 and 0.001, respectively; multivariate analysis).
  • For the cohort of patients that presented with seizures, 12-month outcome after surgery (Engel class) was as follows: seizure free (I), 67%; rare seizures (II), 17%; meaningful seizure improvement (III), 8%; and no improvement or worsening (IV), 9%.
  • Seizure recurrence after initial postoperative seizure control was associated with tumor progression (p=0.001).

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  • [CommentIn] Epilepsy Curr. 2009 Jul-Aug;9(4):98-100 [19693324.001]
  • (PMID = 18240916.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Anticonvulsants
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31. Casacó A, López G, García I, Rodríguez JA, Fernández R, Figueredo J, Torres L, Perera A, Batista J, Leyva R, Peña Y, Amador Z, González A, Estupiñan B, Coca M, Hernández A, Puig M, Iglesias M, Hernández A, Ramos M, Rodríquez L, Suarez N: Phase I single-dose study of intracavitary-administered Nimotuzumab labeled with 188 Re in adult recurrent high-grade glioma. Cancer Biol Ther; 2008 Mar;7(3):333-9
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  • [Title] Phase I single-dose study of intracavitary-administered Nimotuzumab labeled with 188 Re in adult recurrent high-grade glioma.
  • Radioimmunotherapy (RIT) may improve the management of malignant gliomas.
  • Three patients with anaplastic astrocytoma (AA) and 8 with glioblastoma multiforme (GBM) were intended to be treated with 3 mg of mAb labelled with 10 or 15 mCi of (188)Re.
  • This radioimmunoconjugate may be relatively safe and a promising therapeutic approach for treating high grade gliomas.
  • [MeSH-minor] Adult. Aged. Clinical Trials, Phase II as Topic. Female. Humans. Male. Middle Aged. Neoplasm Recurrence, Local. Radioisotopes / adverse effects. Radioisotopes / therapeutic use

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  • (PMID = 18094616.001).
  • [ISSN] 1555-8576
  • [Journal-full-title] Cancer biology & therapy
  • [ISO-abbreviation] Cancer Biol. Ther.
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase I; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / Radioisotopes; 7440-15-5 / Rhenium
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32. Srivastava T, Chosdol K, Chattopadhayay P, Sarkar C, Mahapatra AK, Sinha S: Frequent loss of heterozygosity encompassing the hMLH1 locus in low grade astrocytic tumors. J Neurooncol; 2007 Feb;81(3):249-55
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  • [Title] Frequent loss of heterozygosity encompassing the hMLH1 locus in low grade astrocytic tumors.
  • In astrocytic tumors, the heterozygosity status of these genes with reference to tumor grade has not yet been determined.
  • We have analyzed the heterozygosity status and locus specific instability in 43 glial tumors comprising 22 low grades diffuses astrocytoma (WHO Grade II, DA) and 21 glioblastoma multiforme (Grade IV GBM) using 10 microsatellite markers at 2p and 3p to elucidate the involvement of these loci in astrocytic tumorigenesis.
  • Our results suggest that in the astrocytic tumorigenesis, LOH at the hMLH1 gene locus is an early event in tumorigenesis.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Carrier Proteins / genetics. Loss of Heterozygosity. Nuclear Proteins / genetics

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  • (PMID = 17019533.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / Carrier Proteins; 0 / DNA Primers; 0 / MLH1 protein, human; 0 / Nuclear Proteins; EC 3.6.1.3 / MutL Protein Homolog 1
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33. Fujita A, Sato JR, Festa F, Gomes LR, Oba-Shinjo SM, Marie SK, Ferreira CE, Sogayar MC: Identification of COL6A1 as a differentially expressed gene in human astrocytomas. Genet Mol Res; 2008;7(2):371-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Identification of COL6A1 as a differentially expressed gene in human astrocytomas.
  • Diffuse infiltrating gliomas are the most common tumors of the central nervous system.
  • Gliomas are classified by the WHO according to their histopathological and clinical characteristics into four classes: grade I (pilocytic astrocytoma), grade II (diffuse astrocytoma), grade III (anaplastic astrocytoma), and grade IV (glioblastoma multiforme).
  • Several genes have already been correlated with astrocytomas, but many others are yet to be uncovered.
  • By analyzing the public SAGE data from 21 patients, comprising low malignant grade astrocytomas and glioblastomas, we found COL6A1 to be differentially expressed, confirming this finding by real time RT-PCR in 66 surgical samples.
  • The expression of this gene has significantly different means when normal glia is compared with low-grade astrocytomas (grades I and II) and high-grade astrocytomas (grades III and IV), with a tendency to be greater in higher grade samples, thus rendering it a powerful tumor marker.
  • [MeSH-major] Astrocytoma / genetics. Collagen Type VI / genetics. Gene Expression Profiling
  • [MeSH-minor] Gene Expression Regulation, Neoplastic. Humans. RNA, Neoplasm / genetics. RNA, Neoplasm / metabolism. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 18551403.001).
  • [ISSN] 1676-5680
  • [Journal-full-title] Genetics and molecular research : GMR
  • [ISO-abbreviation] Genet. Mol. Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Brazil
  • [Chemical-registry-number] 0 / Collagen Type VI; 0 / RNA, Neoplasm
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34. Combs SE, Schulz-Ertner D, Thilmann C, Edler L, Debus J: Fractionated stereotactic radiation therapy in the management of primary oligodendroglioma and oligoastrocytoma. Int J Radiat Oncol Biol Phys; 2005 Jul 1;62(3):797-802
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  • With regard to histology, overall survival rates in the World Health Organization (WHO) Grade II group were 89% and 74% at 5 and 10 years, respectively.
  • In patients with WHO Grade III tumors, overall survival rates at 5 and 10 years were 69% and 46%, respectively.
  • In FSRT, the tumor volume can be irradiated with high doses, sparing volume of normal brain tissue.
  • [MeSH-major] Astrocytoma / surgery. Oligodendroglioma / surgery. Stereotaxic Techniques. Supratentorial Neoplasms / surgery

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  • (PMID = 15936562.001).
  • [ISSN] 0360-3016
  • [Journal-full-title] International journal of radiation oncology, biology, physics
  • [ISO-abbreviation] Int. J. Radiat. Oncol. Biol. Phys.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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35. El-Habr EA, Tsiorva P, Theodorou M, Levidou G, Korkolopoulou P, Vretakos G, Petraki L, Michalopoulos NV, Patsouris E, Saetta AA: Analysis of PIK3CA and B-RAF gene mutations in human astrocytomas: association with activation of ERK and AKT. Clin Neuropathol; 2010 Jul-Aug;29(4):239-45
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  • [Title] Analysis of PIK3CA and B-RAF gene mutations in human astrocytomas: association with activation of ERK and AKT.
  • OBJECTIVE: The analysis of the presence of PIK3CA and B-RAF gene mutations in relation to ERK and AKT activation in diffusely infiltrating astrocytomas, in order to determine their potential role in tumor aggressiveness.
  • Neither low grade astrocytomas nor anaplastic astrocytomas revealed any mutations in these genes.
  • Moreover, pERK nuclear expression increased in parallel with tumor grade (II, III v/s IV, p = 0.0262).
  • pAKT cytoplasmic expression increased with increasing tumor grade (II,III v/s IV, p = 0.0930), although the latter relationship was of marginal significance. pAKT cytoplasmic expression was also positively correlated with pERK nuclear expression (p = 0.0156).
  • CONCLUSIONS: Our study reports the low frequency of PIK3CA and B-RAF mutations in astrocytomas, despite the presence of activated ERK and AKT proteins.
  • Moreover, the correlation of pERK nuclear and pAKT cytoplasmic expression with tumor grade suggests the possible crucial role of the activation of these proteins in human gliomagenesis.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. MAP Kinase Signaling System / physiology. Mutation / genetics. Phosphatidylinositol 3-Kinases / genetics. Proto-Oncogene Proteins B-raf / genetics

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  • (PMID = 20569675.001).
  • [ISSN] 0722-5091
  • [Journal-full-title] Clinical neuropathology
  • [ISO-abbreviation] Clin. Neuropathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] EC 2.7.1.- / Phosphatidylinositol 3-Kinases; EC 2.7.1.137 / PIK3CA protein, human; EC 2.7.11.1 / BRAF protein, human; EC 2.7.11.1 / Proto-Oncogene Proteins B-raf; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 2.7.11.24 / Extracellular Signal-Regulated MAP Kinases
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36. Lymbouridou R, Soufla G, Chatzinikola AM, Vakis A, Spandidos DA: Down-regulation of K-ras and H-ras in human brain gliomas. Eur J Cancer; 2009 May;45(7):1294-303
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  • We evaluated the mutational, mRNA and protein expression profile of the ras genes in 21 glioblastomas multiforme (grade IV), four fibrillary astrocytoma (grade II), four anaplastic astrocytoma (grade III) and 15 normal specimens.
  • Our findings provide evidence of K- and H-ras involvement in brain malignant transformation through transcriptional down-regulation, while N-ras seems to contribute less to brain carcinogenesis.
  • [MeSH-minor] Adult. Aged. Astrocytoma / genetics. Astrocytoma / metabolism. Astrocytoma / mortality. Blotting, Western / methods. Case-Control Studies. Codon. Female. Gene Expression. Glioblastoma / genetics. Glioblastoma / metabolism. Glioblastoma / mortality. Humans. Male. Middle Aged. Oncogene Protein p21(ras) / analysis. Oncogene Protein p21(ras) / metabolism. Polymorphism, Restriction Fragment Length. Reverse Transcriptase Polymerase Chain Reaction / methods. Statistics, Nonparametric. Survival Rate

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  • (PMID = 19179066.001).
  • [ISSN] 1879-0852
  • [Journal-full-title] European journal of cancer (Oxford, England : 1990)
  • [ISO-abbreviation] Eur. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Codon; EC 3.6.5.2 / Oncogene Protein p21(ras)
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37. Benifla M, Otsubo H, Ochi A, Weiss SK, Donner EJ, Shroff M, Chuang S, Hawkins C, Drake JM, Elliott I, Smith ML, Snead OC 3rd, Rutka JT: Temporal lobe surgery for intractable epilepsy in children: an analysis of outcomes in 126 children. Neurosurgery; 2006 Dec;59(6):1203-13; discussion 1213-4
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  • METHODS: We reviewed the medical records of 126 children who had surgery for temporal lobe epilepsy at The Hospital for Sick Children between 1983 and 2003.
  • The histopathology of the temporal resections revealed low-grade brain tumors in 65 children (52%) and cavernous malformations in four children.
  • Ganglioglioma and astrocytoma were the most common tumors encountered.
  • Seventy-four percent of patients had an Engel Class I or II outcome.

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  • (PMID = 17277683.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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38. Robert M, Wastie M: Glioblastoma multiforme: a rare manifestation of extensive liver and bone metastases. Biomed Imaging Interv J; 2008 Jan;4(1):e3
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  • As a rule, their behaviour can be predicted from histology: Grade I (pilocytic astrocytomas) and Grade II (benign astrocytomas) tumours are of low grade and grow slowly over many years.
  • Grade IV tumours (GBM) are the most aggressive and, unfortunately, also the most common in humans, growing rapidly, invading and altering brain function.

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  • (PMID = 21614314.001).
  • [ISSN] 1823-5530
  • [Journal-full-title] Biomedical imaging and intervention journal
  • [ISO-abbreviation] Biomed Imaging Interv J
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Malaysia
  • [Other-IDs] NLM/ PMC3097703
  • [Keywords] NOTNLM ; GBM / Glioblastoma multiforme / extracranial metastases / glioma
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39. Mamelak AN, Rosenfeld S, Bucholz R, Raubitschek A, Nabors LB, Fiveash JB, Shen S, Khazaeli MB, Colcher D, Liu A, Osman M, Guthrie B, Schade-Bijur S, Hablitz DM, Alvarez VL, Gonda MA: Phase I single-dose study of intracavitary-administered iodine-131-TM-601 in adults with recurrent high-grade glioma. J Clin Oncol; 2006 Aug 1;24(22):3644-50
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  • [Title] Phase I single-dose study of intracavitary-administered iodine-131-TM-601 in adults with recurrent high-grade glioma.
  • PURPOSE: TM-601 binds to malignant brain tumor cells with high affinity and does not seem to bind to normal brain tissue.
  • PATIENTS AND METHODS: Eighteen adult patients (17 with glioblastoma multiforme and one with anaplastic astrocytoma) with histologically documented recurrent glioma and a Karnofsky performance status of > or = 60% who were eligible for cytoreductive craniotomy were enrolled.
  • An intracavitary catheter with subcutaneous reservoir was placed in the tumor cavity during surgery.
  • 131I-TM-601 bound to the tumor periphery and demonstrated long-term retention at the tumor with minimal uptake in any other organ system.
  • Dosimetry and biodistribution from this first trial suggest that phase II studies of 131I-TM-601 are indicated.
  • [MeSH-minor] Adult. Aged. Female. Humans. Karnofsky Performance Status. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm Recurrence, Local / radiotherapy. Radiometry. Radiopharmaceuticals / administration & dosage. Radiopharmaceuticals / adverse effects. Radiotherapy Dosage. Survival Analysis. Time Factors. Tomography, Emission-Computed, Single-Photon. Treatment Outcome

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  • (PMID = 16877732.001).
  • [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 I; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Chlorotoxin; 0 / Iodine Radioisotopes; 0 / Radiopharmaceuticals; 0 / Scorpion Venoms
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40. Kronik N, Kogan Y, Vainstein V, Agur Z: Improving alloreactive CTL immunotherapy for malignant gliomas using a simulation model of their interactive dynamics. Cancer Immunol Immunother; 2008 Mar;57(3):425-39
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  • [Title] Improving alloreactive CTL immunotherapy for malignant gliomas using a simulation model of their interactive dynamics.
  • Glioblastoma (GBM), a highly aggressive (WHO grade IV) primary brain tumor, is refractory to traditional treatments, such as surgery, radiation or chemotherapy.
  • Our model encompasses considerations of the interactive dynamics of aCTL, tumor cells, major histocompatibility complex (MHC) class I and MHC class II molecules, as well as cytokines, such as TGF-beta and IFN-gamma, which dampen or increase the pro-inflammatory environment, respectively.
  • The mathematical model successfully retrieved clinical trial results of efficacious aCTL immunotherapy for recurrent anaplastic oligodendroglioma and anaplastic astrocytoma (WHO grade III).
  • Model analysis suggests that GBM may be eradicated by new dose-intensive strategies, e.g., 3 x 10(8) aCTL every 4 days for small tumor burden, or 2 x 10(9) aCTL, infused every 5 days for larger tumor burden.
  • Further analysis pinpoints crucial bio-markers relating to tumor growth rate, tumor size, and tumor sensitivity to the immune system, whose estimation enables regimen personalization.
  • Re-initiation of clinical trials, using calculated individualized regimens for grade III-IV malignant glioma, is suggested.

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  • [ErratumIn] Cancer Immunol Immunother. 2008 Mar;57(3):441
  • (PMID = 17823798.001).
  • [ISSN] 0340-7004
  • [Journal-full-title] Cancer immunology, immunotherapy : CII
  • [ISO-abbreviation] Cancer Immunol. Immunother.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Cytokines
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41. Wang DL, Wang YF, Shi GS, Huang H: [Correlation of hTERT expression to maspin and bFGF expression and their significance in glioma]. Ai Zheng; 2007 Jun;26(6):601-6
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  • The correlations of hTERT, maspin, and bFGF expression to tumor grade were analyzed by Spearman rank correlation analysis.
  • In the 43 specimens of grade II, 55 specimens of grade III and 30 specimens of grade IV gliomas, the positive rates of hTERT were 32.6%, 54.5%, and 73.3% (P < 0.05); the positive rates of maspin were 58.1%, 49.1%, and 26.7% (P < 0.05); the positive rates of bFGF were 39.5%, 72.7%, and 76.7% (P < 0.05).The expression of hTERT and bFGF were positively correlated to pathologic grade (rho=0.515, P < 0.01; rho=0.611, P < 0.01), while the expression of maspin was negatively correlated to pathologic grade (rho=-0.425, P < 0.05).
  • The expression of hTERT showed no relationship with the age, sex, tumor size, and cell density (P > 0.05), but had obvious relationship with karyokinesis, vessel density, and necrosis (P < 0.05).
  • CONCLUSION: The expression of hTERT, maspin and bFGF correlate to each other, and associate with the malignant degree of glioma.
  • [MeSH-minor] Adolescent. Adult. Aged. Astrocytoma / metabolism. Astrocytoma / pathology. Brain / metabolism. Child. Female. Gene Expression Regulation, Neoplastic. Glioblastoma / metabolism. Glioblastoma / pathology. Humans. Immunohistochemistry. In Situ Hybridization. Male. Middle Aged. Young Adult

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  • (PMID = 17562265.001).
  • [Journal-full-title] Ai zheng = Aizheng = Chinese journal of cancer
  • [ISO-abbreviation] Ai Zheng
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / SERPIN-B5; 0 / Serpins; 103107-01-3 / Fibroblast Growth Factor 2; EC 2.7.7.49 / TERT protein, human; EC 2.7.7.49 / Telomerase
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42. Hardell L, Mild KH, Carlberg M, Söderqvist F: Tumour risk associated with use of cellular telephones or cordless desktop telephones. World J Surg Oncol; 2006;4:74
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  • There is concern of health problems such as malignant diseases due to microwave exposure during the use of these devices.
  • The corresponding results were for astrocytoma grade III-IV OR = 1.7, 95 % CI = 1.3-2.3; OR = 1.5, 95 % CI = 1.2-1.9 and OR = 1.5, 95 % CI = 1.1-1.9, respectively.
  • Lower ORs were calculated for astrocytoma grade I-II.
  • CONCLUSION: We found for all studied phone types an increased risk for brain tumours, mainly acoustic neuroma and malignant brain tumours.
  • OR increased with latency period, especially for astrocytoma grade III-IV.

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  • (PMID = 17034627.001).
  • [ISSN] 1477-7819
  • [Journal-full-title] World journal of surgical oncology
  • [ISO-abbreviation] World J Surg Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC1621063
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43. Glotsos D, Spyridonos P, Cavouras D, Ravazoula P, Dadioti PA, Nikiforidis G: An image-analysis system based on support vector machines for automatic grade diagnosis of brain-tumour astrocytomas in clinical routine. Med Inform Internet Med; 2005 Sep;30(3):179-93
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  • [Title] An image-analysis system based on support vector machines for automatic grade diagnosis of brain-tumour astrocytomas in clinical routine.
  • An image-analysis system based on the concept of Support Vector Machines (SVM) was developed to assist in grade diagnosis of brain tumour astrocytomas in clinical routine.
  • One hundred and forty biopsies of astrocytomas were characterized according to the WHO system as grade II, III and IV.
  • Low-grade tumours were distinguished from high-grade tumours with an accuracy of 90.2% and grade III from grade IV with an accuracy of 88.3% The system was tested in a new clinical data set, and the classification rates were 87.5 and 83.8%, respectively.
  • The proposed methodology might be used in parallel with conventional grading to support the regular diagnostic procedure and reduce subjectivity in astrocytomas grading.
  • [MeSH-major] Astrocytoma / classification. Brain Neoplasms / radiography. Diagnosis, Computer-Assisted. Radiographic Image Interpretation, Computer-Assisted

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  • (PMID = 16403707.001).
  • [ISSN] 1463-9238
  • [Journal-full-title] Medical informatics and the Internet in medicine
  • [ISO-abbreviation] Med Inform Internet Med
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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44. Jaing TH, Lin KL, Tsay PK, Hsueh C, Hung PC, Wu CT, Tseng CK: Treatment of optic pathway hypothalamic gliomas in childhood: experience with 18 consecutive cases. J Pediatr Hematol Oncol; 2008 Mar;30(3):222-4
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  • Histologic studies showed low-grade astrocytoma (WHO grade I or II) in 16 cases, anaplastic astrocytoma in 1, and oligoastrocytoma (WHO grade III) in 1.
  • Treatment included partial tumor resection in 12 patients, chemotherapy in 5, and radiotherapy in 3.
  • All treatment modalities led to tumor shrinkage and stabilization for a variable period, but none of them totally eradicated the tumor.
  • Fourteen (78%) of 18 patients had a sustained reduction of tumor size between 6 months and 17 years.
  • Two patients died, none with neurofibromatosis-1, with a hypothalamic/chiasmatic tumor with suprasellar extension and accompanying electrolyte abnormalities.

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  • (PMID = 18376285.001).
  • [ISSN] 1077-4114
  • [Journal-full-title] Journal of pediatric hematology/oncology
  • [ISO-abbreviation] J. Pediatr. Hematol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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45. Prayson RA: Tumours arising in the setting of paediatric chronic epilepsy. Pathology; 2010;42(5):426-31
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Using the most recent World Health Organization (WHO) classification of brain tumours, tumour type and grade were assessed.
  • WHO grade included 73 (56.6%) grade I tumours, 32 (24.8%) grade II tumours, and 18 (14%) grade I/II tumours.
  • In six cases (4.7%), a WHO grade was not associated with mass.
  • Tumour types included: ganglioglioma (n = 48, 37.2%), dysembryoplastic neuroepithelial tumour (n = 17, 13.2%), low grade astrocytoma (n = 15, 11.6%), low grade mixed glioma (n = 8, 6.2%), low grade oligodendroglioma (n = 5, 3.9%), meningioangiomatosis (n = 4, 3.1%) angiocentric glioma (n = 3, 2.3%), and dysembryoplastic neuroepithelial tumour/ganglioglioma composite tumour (n = 3, 2.3%).
  • Less frequently observed lesions (n = 1 or 2) included pilocytic astrocytoma, protoplasmic astrocytoma, pleomorphic xanthoastrocytoma, and glioneuronal hamartoma.
  • In 18 cases, distinction between low grade glioma and low grade glioneuronal tumour could not be definitively made.
  • Of 25 tumours evaluated for chromosome 1p status, only one low grade mixed glioma demonstrated evidence of deletion; only one of 22 evaluated tumours (a low grade mixed glioma) showed evidence of chromosome 19q deletion.
  • CONCLUSION: Collectively, WHO grade I glioneuronal tumours account for slightly more than half of all neoplasms which cause intractable epilepsy in paediatric patients.
  • [MeSH-minor] Adolescent. Child. Child, Preschool. Chronic Disease. Comorbidity. Female. Humans. Infant. Male. Neoplasm Staging. Ohio / epidemiology. Retrospective Studies


46. Hlobilkova A, Ehrmann J, Knizetova P, Krejci V, Kalita O, Kolar Z: Analysis of VEGF, Flt-1, Flk-1, nestin and MMP-9 in relation to astrocytoma pathogenesis and progression. Neoplasma; 2009;56(4):284-90
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  • [Title] Analysis of VEGF, Flt-1, Flk-1, nestin and MMP-9 in relation to astrocytoma pathogenesis and progression.
  • Astrocytomas, particularly high grade astrocytoma, are brain tumors with potent angiogenic activity.
  • Our immnunohistochemical study assessed vascular endothelial growth factor (VEGF), VEGF receptors (Flk-1, and Flt-1), the intermediate filamental protein nestin which plays a role in central nervous system development, and MMP-9, which belongs the family of matrix metalloproteinases implicated in tumor invasion and angiogenesis regulation.
  • We investigated the expression of VEGF, its receptors, nestin and MMP-9 in astrocytomas and their correlation with tumor grade.
  • We used paraffin-embedded samples from 66 patients, 29 with low grade (WHO-grade II) and 37 with high grade (WHO-grade III and IV) astrocytomas.
  • Expression of Flt-1 and Flk-1 showed no significant differences between low and high grade tumor groups.
  • Expression of VEGF and MMP-9 was increased in the high grade group (p equal to or less than 0.026 and 0.024).
  • Nestin expression in tumor astrocytes and endothelial cells increased in high grade group (p same 0.007 and 0.003).
  • Higher expression of VEGF in high grade astrocytomas may subsequently lead to activation of survival, angiogenesis and migration.
  • Expression of nestin and MMP-9 also suggest their likely role in astrocytoma vascular development and proliferation.
  • [MeSH-major] Astrocytoma / etiology. Brain Neoplasms / etiology. Intermediate Filament Proteins / metabolism. Matrix Metalloproteinase 9 / metabolism. Nerve Tissue Proteins / metabolism. Vascular Endothelial Growth Factor A / metabolism. Vascular Endothelial Growth Factor Receptor-1 / metabolism. Vascular Endothelial Growth Factor Receptor-2 / metabolism

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  • (PMID = 19473053.001).
  • [ISSN] 0028-2685
  • [Journal-full-title] Neoplasma
  • [ISO-abbreviation] Neoplasma
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Slovakia
  • [Chemical-registry-number] 0 / Intermediate Filament Proteins; 0 / NES protein, human; 0 / Nerve Tissue Proteins; 0 / Nestin; 0 / VEGFA protein, human; 0 / Vascular Endothelial Growth Factor A; EC 2.7.10.1 / FLT1 protein, human; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-1; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-2; EC 3.4.24.35 / Matrix Metalloproteinase 9
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47. Scott IS, Morris LS, Rushbrook SM, Bird K, Vowler SL, Burnet NG, Coleman N: Immunohistochemical estimation of cell cycle entry and phase distribution in astrocytomas: applications in diagnostic neuropathology. Neuropathol Appl Neurobiol; 2005 Oct;31(5):455-66
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  • [Title] Immunohistochemical estimation of cell cycle entry and phase distribution in astrocytomas: applications in diagnostic neuropathology.
  • Paraffin-embedded sections of intracerebral gliomas (n = 48), consisting of diffuse astrocytoma (n = 9), anaplastic astrocytoma (n = 8) and glioblastoma (n = 31), were analysed by immunohistochemistry using markers of cell cycle entry, Mcm-2 and Ki67, and putative markers of cell cycle phase, cyclins D1 (G1-phase), cyclin A (S-phase), cyclin B1 (G2-phase) and phosphohistone H3 (Mitosis).
  • There was a significant increase in Mcm-2 (P < 0.0001), Ki67 (P < 0.0001), cyclin A (P < 0.0001) and cyclin B1 (P = 0.002) expression with increasing grade from diffuse astrocytoma through anaplastic astrocytoma to glioblastoma, suggesting that any of these four markers has potential as a marker of tumour grade.
  • [MeSH-major] Astrocytoma / pathology. Biomarkers, Tumor / analysis. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. Cell Cycle / physiology. Immunohistochemistry / methods

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  • (PMID = 16150117.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CCNB1 protein, human; 0 / Cell Cycle Proteins; 0 / Cyclin A; 0 / Cyclin B; 0 / Cyclin B1; 0 / Histones; 136601-57-5 / Cyclin D1
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48. Jayawardena S, Sooriabalan D, Indulkar S, Kim HH, Matin A, Maini A: Regression of grade III astrocytoma during the treatment of CML with imatinib mesylate. Am J Ther; 2006 Sep-Oct;13(5):458-9
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  • [Title] Regression of grade III astrocytoma during the treatment of CML with imatinib mesylate.
  • Astrocytomas are central nervous system neoplasms, which are derived predominately from astrocytes.
  • On the basis of the histopathologic characteristics astrocytomas are graded from I to IV.
  • The cells that demonstrate the greatest degree of anaplasia are used to determine the histologic grade of the tumor.
  • The mean age of survival are approximately 10 years from the time of diagnosis for pilocystic astrocytomas (World Health Organization grade I), more than 5 years for patients with low-grade diffuse astrocytomas (WHO grade II), 2 to 5 years for those with anaplastic astrocytomas (WHO grade III), and less than 1 year for patients with glioblastoma (WHO grade IV).
  • The treatment is a combination of surgery, radiation, and chemotherapy depending of the grade of astrocytoma.
  • We present a case of 31-year-old man with grade III astrocytoma with subsequent chronic myelogenous leukemia treated with imatinib mesylate as part of his chronic myelogenous leukemia treatment failing to show recurrence of the astrocytoma 10 years after standard treatment for astrocytoma.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Astrocytoma / drug therapy. Brain Neoplasms / drug therapy. Leukemia, Myeloid, Acute / drug therapy. Piperazines / therapeutic use. Pyrimidines / therapeutic use

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  • (PMID = 16988542.001).
  • [ISSN] 1075-2765
  • [Journal-full-title] American journal of therapeutics
  • [ISO-abbreviation] Am J Ther
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Benzamides; 0 / Piperazines; 0 / Pyrimidines; 8A1O1M485B / Imatinib Mesylate
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49. Van Laere K, Ceyssens S, Van Calenbergh F, de Groot T, Menten J, Flamen P, Bormans G, Mortelmans L: Direct comparison of 18F-FDG and 11C-methionine PET in suspected recurrence of glioma: sensitivity, inter-observer variability and prognostic value. Eur J Nucl Med Mol Imaging; 2005 Jan;32(1):39-51
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  • METHODS: Cerebral uptake of FDG and MET was determined sequentially on the same day in 30 patients (21 males, nine females; age 40.4+/-15.6 years), on average 4.0 years (range 0.1-18) after therapy for a primary brain tumour (23 grade II-IV astrocytomas, four oligodendrogliomas and three mixed oligo-astrocytomas).
  • The combination of FDG and MET information resulted in the highest prognostic accuracy (p=0.003), while MET alone was the best prognostic predictor in the subgroup of patients with primary astrocytoma (n=23).
  • [MeSH-major] Brain Neoplasms / diagnostic imaging. Brain Neoplasms / mortality. Fluorodeoxyglucose F18. Glioma / diagnostic imaging. Glioma / mortality. Methionine. Neoplasm Recurrence, Local / diagnostic imaging. Neoplasm Recurrence, Local / mortality

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  • (PMID = 15309329.001).
  • [ISSN] 1619-7070
  • [Journal-full-title] European journal of nuclear medicine and molecular imaging
  • [ISO-abbreviation] Eur. J. Nucl. Med. Mol. Imaging
  • [Language] eng
  • [Publication-type] Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18; 58576-49-1 / carbon-11 methionine; AE28F7PNPL / Methionine
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50. Gimenez M, Souza VC, Izumi C, Barbieri MR, Chammas R, Oba-Shinjo SM, Uno M, Marie SK, Rosa JC: Proteomic analysis of low- to high-grade astrocytomas reveals an alteration of the expression level of raf kinase inhibitor protein and nucleophosmin. Proteomics; 2010 Aug;10(15):2812-21
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  • [Title] Proteomic analysis of low- to high-grade astrocytomas reveals an alteration of the expression level of raf kinase inhibitor protein and nucleophosmin.
  • The aim of this study was to identify differentially expressed proteins in diffuse astrocytoma grade II, anaplastic astrocytoma grade III and glioblastoma multiforme grade IV in human tumor samples and in non-neoplastic brain tissue as control using 2-DE and MS.
  • Tumor and control brain tissue dissection was guided by histological hematoxylin/eosin tissue sections to provide more than 90% of tumor cells and astrocytes.
  • Six proteins were detected as up-regulated in higher grade astrocytomas and the most important finding was nucleophosmin (NPM) (p<0.05), whereas four proteins were down-regulated, among them raf kinase inhibitor protein (RKIP) (p<0.05).
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Gene Expression Regulation, Neoplastic. Nuclear Proteins / genetics. Phosphatidylethanolamine Binding Protein / genetics. Proteomics


51. Rafique MZ, Ahmad MN, Yaqoob N, Ahsan H: Diffuse bilateral thalamic astrocytoma. J Coll Physicians Surg Pak; 2007 Mar;17(3):170-2
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  • [Title] Diffuse bilateral thalamic astrocytoma.
  • Diffuse astrocytoma with bilateral thalamic involvement is extremely rare.
  • We present a case of 10 years old female who presented with decreased mentation, dysarthria, decreased performance at school and later on with seizures.
  • Biopsy showed grade III Astrocytoma with bilateral thalamic involvement.
  • [MeSH-major] Astrocytoma / pathology. Cerebellar Neoplasms / pathology. Thalamic Diseases / pathology

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  • (PMID = 17374306.001).
  • [ISSN] 1022-386X
  • [Journal-full-title] Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
  • [ISO-abbreviation] J Coll Physicians Surg Pak
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Pakistan
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52. Maris C, Rorive S, Sandras F, D'Haene N, Sadeghi N, Bièche I, Vidaud M, Decaestecker C, Salmon I: Tenascin-C expression relates to clinicopathological features in pilocytic and diffuse astrocytomas. Neuropathol Appl Neurobiol; 2008 Jun;34(3):316-29
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  • [Title] Tenascin-C expression relates to clinicopathological features in pilocytic and diffuse astrocytomas.
  • AIMS: Tenascin-C (TN-C) is an extracellular matrix brain glycoprotein for which conflicting in vitro and in vivo results are reported in the literature dealing with its involvement in astrocytoma aggressiveness, in particular astrocytoma invasion.
  • In view of these conflicting results and the lack of data available on low-grade astrocytomas, the present study focuses on pilocytic World Health Organization (WHO) grade I, and diffuse WHO grade II astrocytomas, that is, two histological entities associated with very different invasive abilities.
  • METHODS: Using real-time reverse transcription polymerase chain reaction and immunohistochemistry, we analysed the TN-C expression in normal brain tissue as well as in a series of 54 pilocytic and 53 grade II astrocytomas.
  • Paralleling these observations, we showed that TN-C expression in low-grade astrocytomas similarly varies according to tumour site.
  • Cox regression analysis evidenced that TN-C provided an independent prognostic value which is enhanced in the case of grade II astrocytomas for which positive TN-C expression is associated with a higher risk of recurrence.
  • We also analysed TN-C expression specifically in vascular areas of low-grade astrocytomas without demonstrating any prognostic value for this additional feature.
  • RESULTS: Similarly to normal brain, low-grade astrocytomas exhibit variations in TN-C expression with site, and this expression is associated with an independent prognostic value in terms of recurrence.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. Tenascin / biosynthesis
  • [MeSH-minor] Adult. Age Factors. Biomarkers, Tumor / analysis. Child. Female. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Male. Neoplasm Recurrence, Local / pathology. Prognosis. Reverse Transcriptase Polymerase Chain Reaction. Spinal Cord Neoplasms / metabolism. Spinal Cord Neoplasms / mortality. Spinal Cord Neoplasms / pathology

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  • (PMID = 17983425.001).
  • [ISSN] 1365-2990
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Tenascin
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53. Matsutani T, Nagai Y, Mine S, Murai H, Saeki N, Iwadate Y: Akt/protein kinase B overexpression as an accurate prognostic marker in adult diffuse astrocytoma. Acta Neurochir (Wien); 2009 Mar;151(3):263-8; discussion 268
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  • [Title] Akt/protein kinase B overexpression as an accurate prognostic marker in adult diffuse astrocytoma.
  • In an attempt to find a novel prognostic marker of diffuse astrocytoma, we performed an immunohistochemical analysis of Akt/PKB with regard to patient survival and regrowth patterns.
  • METHODS: Twenty-four adult patients with diffuse astrocytoma were similarly managed without early post-operative radiotherapy and followed up for a median period of 7.5 years.
  • CONCLUSION: These results show that Akt/PKB overexpression would be suggestive of malignant progression and invasive regrowth of diffuse astrocytoma, and it can serve as a novel prognostic marker for this tumour.
  • [MeSH-major] Astrocytoma / diagnosis. Astrocytoma / enzymology. Biomarkers, Tumor / metabolism. Brain Neoplasms / diagnosis. Brain Neoplasms / enzymology. Proto-Oncogene Proteins c-akt / metabolism
  • [MeSH-minor] Adult. Age Factors. Disease Progression. Female. Humans. Immunohistochemistry. Male. Middle Aged. Neoplasm Invasiveness / diagnosis. Neoplasm Recurrence, Local / diagnosis. Neoplasm Recurrence, Local / enzymology. Predictive Value of Tests. Prognosis. Proportional Hazards Models. Receptor, Epidermal Growth Factor / analysis. Receptor, Epidermal Growth Factor / metabolism. Survival Rate. Tumor Suppressor Protein p53 / analysis. Tumor Suppressor Protein p53 / metabolism. Ubiquitin-Protein Ligases / analysis. Ubiquitin-Protein Ligases / metabolism


54. Dörner L, Fritsch MJ, Stark AM, Mehdorn HM: Posterior fossa tumors in children: how long does it take to establish the diagnosis? Childs Nerv Syst; 2007 Aug;23(8):887-90
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  • MATERIALS AND METHODS: We retrospectively analyzed 50 consecutive children (36 men, 14 women) with posterior fossa tumor treated at our department between January 1999 and December 2003.
  • The diagnoses included astrocytoma (n = 17), medulloblastoma (n = 15), ependymoma (n = 6), and other tumors (n = 12).
  • The mean time for Grade I and II tumors was 238 days (n = 19) and for tumors Grade III and IV 117 days (n = 31).
  • [MeSH-minor] Adolescent. Astrocytoma / diagnosis. Astrocytoma / diagnostic imaging. Astrocytoma / pathology. Behavior. Child. Child, Preschool. Diagnosis, Differential. Ependymoma / diagnosis. Ependymoma / diagnostic imaging. Ependymoma / pathology. Female. Follow-Up Studies. Humans. Infant. Magnetic Resonance Imaging. Male. Radiography. Retrospective Studies. Time Factors. Torticollis / diagnosis. Torticollis / etiology

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  • (PMID = 17429658.001).
  • [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] Case Reports; Journal Article
  • [Publication-country] Germany
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55. Antonelli M, Buttarelli FR, Arcella A, Nobusawa S, Donofrio V, Oghaki H, Giangaspero F: Prognostic significance of histological grading, p53 status, YKL-40 expression, and IDH1 mutations in pediatric high-grade gliomas. J Neurooncol; 2010 Sep;99(2):209-15
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  • [Title] Prognostic significance of histological grading, p53 status, YKL-40 expression, and IDH1 mutations in pediatric high-grade gliomas.
  • The objective of this study was to evaluate, in a series of 43 pediatric high-grade gliomas (21 anaplastic astrocytoma WHO grade III and 22 glioblastoma WHO grade IV), the prognostic value of histological grading and expression of p53 and YKL-40.
  • The prognostic stratification for histological grading showed no difference in overall (OS) and progression-free survival (PFS) between glioblastomas and anaplastic astrocytomas.
  • TP53 mutations were detected in five of 27 (18%) cases (four glioblastomas and one anaplastic astrocytoma).
  • Our results suggest that in pediatric high-grade gliomas: (i) histological grading does not have strong prognostic significance, (ii) YKL-40 overexpression is less frequent than adult high-grade gliomas and does not correlate with a more aggressive behavior, (iii) TP53 mutations but not p53 expression may correlate with a more aggressive behavior, and (iv) IDH1 mutations are absent.
  • These observations support the concept that, despite identical histological features, the biology of high-grade gliomas in children differs from that in adults, and therefore different prognostic factors are needed.
  • [MeSH-major] Astrocytoma / genetics. Astrocytoma / metabolism. Glycoproteins / metabolism. Isocitrate Dehydrogenase / genetics. Lectins / metabolism. Mutation / genetics. Tumor Suppressor Protein p53 / genetics
  • [MeSH-minor] Adipokines. Adolescent. Adult. Brain Neoplasms / genetics. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. Child. Child, Preschool. Chitinase-3-Like Protein 1. DNA, Neoplasm / genetics. Female. Humans. Immunoenzyme Techniques. Infant. Infant, Newborn. Male. Neoplasm Staging. Polymerase Chain Reaction. Prognosis. Young Adult

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  • (PMID = 20174854.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adipokines; 0 / CHI3L1 protein, human; 0 / Chitinase-3-Like Protein 1; 0 / DNA, Neoplasm; 0 / Glycoproteins; 0 / Lectins; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; EC 1.1.1.41 / Isocitrate Dehydrogenase; EC 1.1.1.42. / IDH1 protein, human
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56. Dixit VD, Weeraratna AT, Yang H, Bertak D, Cooper-Jenkins A, Riggins GJ, Eberhart CG, Taub DD: Ghrelin and the growth hormone secretagogue receptor constitute a novel autocrine pathway in astrocytoma motility. J Biol Chem; 2006 Jun 16;281(24):16681-90
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  • [Title] Ghrelin and the growth hormone secretagogue receptor constitute a novel autocrine pathway in astrocytoma motility.
  • Here, we demonstrate that the human astrocytoma cell lines U-118, U-87, CCF-STTG1, and SW1088 express 6-, 11-, 15-, and 29-fold higher levels of GHS-R compared with primary normal human astrocytes.
  • The ligation of GHS-R by ghrelin on these cells resulted in an increase in intracellular calcium mobilization, protein kinase C activation, actin polymerization, matrix metalloproteinase-2 activity, and astrocytoma motility.
  • In addition, ghrelin led to actin polymerization and membrane ruffling on cells, with the specific co-localization of the small GTPase Rac1 with GHS-R on the leading edge of the astrocytoma cells and imparting the tumor cells with a motile phenotype.
  • Disruption of the endogenous ghrelin/GHS-R pathway by RNA interference resulted in diminished motility, matrix metalloproteinase activity, and Rac expression, whereas tumor cells stably overexpressing GHS-R exhibited increased cell motility.
  • The relevance of ghrelin and GHS-R expression was verified in clinically relevant tissues from 20 patients with oligodendrogliomas and grade II-IV astrocytomas.
  • Analysis of a central nervous system tumor tissue microarray revealed that strong GHS-R and ghrelin expression was significantly more common in high grade tumors compared with low grade ones.
  • Together, these findings suggest a novel role for the ghrelin/GHS-R axis in astrocytoma cell migration and invasiveness of cancers of central nervous system origin.
  • [MeSH-major] Astrocytoma / metabolism. Peptide Hormones / physiology. Receptors, G-Protein-Coupled / physiology
  • [MeSH-minor] Calcium / metabolism. Cell Line, Tumor. Cell Movement. Central Nervous System / metabolism. Ghrelin. Humans. Models, Biological. Peptides. RNA Interference. Receptors, Cell Surface / metabolism. Receptors, Ghrelin

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  • (PMID = 16527811.001).
  • [ISSN] 0021-9258
  • [Journal-full-title] The Journal of biological chemistry
  • [ISO-abbreviation] J. Biol. Chem.
  • [Language] eng
  • [Grant] United States / Intramural NIH HHS / / Z01 AG000758-10
  • [Publication-type] Journal Article; Research Support, N.I.H., Intramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Ghrelin; 0 / Peptide Hormones; 0 / Peptides; 0 / Receptors, Cell Surface; 0 / Receptors, G-Protein-Coupled; 0 / Receptors, Ghrelin; SY7Q814VUP / Calcium
  • [Other-IDs] NLM/ NIHMS41150; NLM/ PMC2271047
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57. Leighton C, Fisher B, Macdonald D, Stitt L, Bauman G, Cairncross J: The dose-volume interaction in adult supratentorial low-grade glioma: higher radiation dose is beneficial among patients with partial resection. J Neurooncol; 2007 Apr;82(2):165-70
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  • [Title] The dose-volume interaction in adult supratentorial low-grade glioma: higher radiation dose is beneficial among patients with partial resection.
  • PURPOSE: To evaluate the hypothesis that adults with partially resected (PR<50% resection) supratentorial low-grade glioma (LGG) benefit from higher doses of radiation.
  • METHODS: Patients receiving post-operative radiation for WHO grade I-II LGG at the University of Western Ontario between 1979 and 2001 were studied.
  • Patient characteristics evaluated included: age, gender, symptom duration>30 days, seizures at presentation, Karnofsky performance status (KPS)<70, astrocytoma pathology (AS), and radiation dose.
  • Patients who had PR were not significantly different from those with STR (subtotal/total resection) in terms of patient characteristics.
  • Median survival (MST) of PR patients who received<or=50 Gy was 16.5 months while those who received>50 Gy had a MST of 109.2 months.
  • CONCLUSIONS: The outcome for patients with LGG is dependent on extent of tumor resection and radiation dose.
  • Future trials on therapeutic strategies for LGG should consider stratification of patients by extent of tumor resection.
  • [MeSH-major] Astrocytoma / radiotherapy. Oligodendroglioma / radiotherapy. Supratentorial Neoplasms / radiotherapy
  • [MeSH-minor] Adult. Combined Modality Therapy. Female. Humans. Male. Neoplasm Staging. Prognosis. Radiotherapy Dosage. Retrospective Studies

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  • [ErratumIn] J Neurooncol. 2007 Dec;85(3):357
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  • (PMID = 17357830.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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58. Osoba AO, Kutub H, Waliuddin A, Sharab MO: Enterococcus avium. An unusual cause of cerebral abscess. Neurosciences (Riyadh); 2005 Oct;10(4):297-300
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  • Here, we report a 19-year-old Saudi girl diagnosed as a case of astrocytoma grade II arising from the right thalamus.

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  • (PMID = 22473142.001).
  • [ISSN] 1319-6138
  • [Journal-full-title] Neurosciences (Riyadh, Saudi Arabia)
  • [ISO-abbreviation] Neurosciences (Riyadh)
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Saudi Arabia
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59. Chen AY, Lee H, Hartman J, Greco C, Ryu JK, O'Donnell R, Boggan J: Secondary supratentorial primitive neuroectodermal tumor following irradiation in a patient with low-grade astrocytoma. AJNR Am J Neuroradiol; 2005 Jan;26(1):160-2
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  • [Title] Secondary supratentorial primitive neuroectodermal tumor following irradiation in a patient with low-grade astrocytoma.
  • We report a case of a supratentorial primitive neuroectodermal tumor (PNET) that occurred 12 years after cranial irradiation for a grade II astrocytoma.
  • Neuroimaging was unable to distinguish between a recurrence of the original neoplasm and the development of a new, distinct entity.
  • Pathologic review assisted by immunohistochemical staining, however, revealed a high-grade PNET.
  • Although rare, PNET needs to be included in the differential diagnoses for previously irradiated patients, who develop recurrent brain tumors in the presence of uncharacteristic imaging features.
  • [MeSH-major] Astrocytoma / radiotherapy. Brain Neoplasms / radiotherapy. Cranial Irradiation. Frontal Lobe. Image Processing, Computer-Assisted. Magnetic Resonance Imaging. Neoplasms, Radiation-Induced / diagnosis. Neoplasms, Second Primary / diagnosis. Neuroectodermal Tumors, Primitive / diagnosis. Supratentorial Neoplasms / diagnosis. Tomography, X-Ray Computed
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Female. Follow-Up Studies. Glial Fibrillary Acidic Protein / analysis. Humans. Radiotherapy, Adjuvant. Synaptophysin / analysis


60. Marton E, Feletti A, Orvieto E, Longatti P: Malignant progression in pleomorphic xanthoastrocytoma: personal experience and review of the literature. J Neurol Sci; 2007 Jan 31;252(2):144-53
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  • [Title] Malignant progression in pleomorphic xanthoastrocytoma: personal experience and review of the literature.
  • Pleomorphic xanthoastrocytoma (PXA) is a rare primary low-grade astrocytic tumor, recently classified as a neuroglial tumor.
  • It generally occurs in children and young adults and shows benign behaviour (WHO II), although an anaplastic variant and malignant potential have been described.
  • Pleomorphic xanthoastrocytomas with malignant transformation have been reported in three out of eight patients operated on for this type of tumor in our department in the last 15 years.
  • Mean recurrence time was 5.7 years, with the original xanthoastrocytoma evolving to glioblastoma in two cases and anaplastic astrocytoma in the third.
  • Two died from tumor progression and one from brain edema after intracerebral haemorrhage.
  • A review of the available PXA literature dating back to 1979 revealed 16 cases of primary anaplastic astrocytoma and 21 cases of PXA with malignant transformation.
  • Our experience adds three more cases of malignant transformations, outlining once again the potential malignancy of pleomorphic xanthoastrocytomas and the fact that prognosis in these cases is the same as for primary anaplastic astrocytoma and glioblastoma.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Glioblastoma / pathology
  • [MeSH-minor] Adult. Cell Transformation, Neoplastic. Child. Disease Progression. Fatal Outcome. Female. Humans. Magnetic Resonance Imaging. Middle Aged. Neoplasm Recurrence, Local / pathology. Tomography, X-Ray Computed


61. Chosdol K, Misra A, Puri S, Srivastava T, Chattopadhyay P, Sarkar C, Mahapatra AK, Sinha S: Frequent loss of heterozygosity and altered expression of the candidate tumor suppressor gene 'FAT' in human astrocytic tumors. BMC Cancer; 2009;9:5
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  • [Title] Frequent loss of heterozygosity and altered expression of the candidate tumor suppressor gene 'FAT' in human astrocytic tumors.
  • BACKGROUND: We had earlier used the comparison of RAPD (Random Amplification of Polymorphic DNA) DNA fingerprinting profiles of tumor and corresponding normal DNA to identify genetic alterations in primary human glial tumors.
  • METHODS: In this study we used RAPD-PCR to identify novel genomic alterations in the astrocytic tumors of WHO grade II (Low Grade Diffuse Astrocytoma) and WHO Grade IV (Glioblastoma Multiforme).
  • RESULTS: Bands consistently altered in the RAPD profile of tumor DNA in a significant proportion of tumors were identified.
  • One such 500 bp band, that was absent in the RAPD profile of 33% (4/12) of the grade II astrocytic tumors, was selected for further study.
  • Its sequence corresponded with a region of FAT, a putative tumor suppressor gene initially identified in Drosophila.
  • Fifty percent of a set of 40 tumors, both grade II and IV, were shown to have Loss of Heterozygosity (LOH) at this locus by microsatellite (intragenic) and by SNP markers.
  • Semi-quantitative RT-PCR showed low FAT mRNA levels in a major subset of tumors.
  • CONCLUSION: These results point to a role of the FAT in astrocytic tumorigenesis and demonstrate the use of RAPD analysis in identifying specific alterations in astrocytic tumors.
  • [MeSH-major] Astrocytoma / genetics. Cadherins / genetics. Central Nervous System Neoplasms / genetics. Genes, Tumor Suppressor. Loss of Heterozygosity

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  • (PMID = 19126244.001).
  • [ISSN] 1471-2407
  • [Journal-full-title] BMC cancer
  • [ISO-abbreviation] BMC Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Cadherins; 0 / DNA Primers; 0 / FAT1 protein, human
  • [Other-IDs] NLM/ PMC2631005
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62. Rodriguez FJ, Perry A, Gutmann DH, O'Neill BP, Leonard J, Bryant S, Giannini C: Gliomas in neurofibromatosis type 1: a clinicopathologic study of 100 patients. J Neuropathol Exp Neurol; 2008 Mar;67(3):240-9
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  • The median age at tumor diagnosis was 13 years (range, 4 months to 68 years).
  • Most tumors were typical pilocytic astrocytoma (PA) (49%) or diffusely infiltrating astrocytoma (DA) (27%) that included World Health Organization Grades II (5%), III (15%), and IV (7%); others were designated as low-grade astrocytoma, subtype indeterminate (LGSI; 17%).
  • Two pilomyxoid astrocytomas, 1 desmoplastic infantile ganglioglioma and 1 conventional ganglioglioma, were also identified.
  • The tumors in 24 cases arose in the optic pathways and included PA (n = 14), LGSI (n = 4), DA (n = 4), pilomyxoid astrocytoma (n = 1), and ganglioglioma (n = 1).
  • The prognoses of the PA and LGSI gliomas overall were generally favorable; there were no survival differences between PA and LGSI groups based on site, tumor size, mitotic activity, or MIB-1 labeling index.

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  • (PMID = 18344915.001).
  • [ISSN] 0022-3069
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] ENG
  • [Grant] United States / NINDS NIH HHS / NS / T32 NS007494; United States / NINDS NIH HHS / NS / T32 NS07494-04
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
  • [Other-IDs] NLM/ NIHMS396162; NLM/ PMC3417064
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63. Facoetti A, Nano R, Zelini P, Morbini P, Benericetti E, Ceroni M, Campoli M, Ferrone S: Human leukocyte antigen and antigen processing machinery component defects in astrocytic tumors. Clin Cancer Res; 2005 Dec 01;11(23):8304-11
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  • [Title] Human leukocyte antigen and antigen processing machinery component defects in astrocytic tumors.
  • PURPOSE: To determine the frequency of abnormalities in human leukocyte antigen (HLA) and antigen processing machinery (APM) component expression in malignant brain tumors.
  • This information may contribute to our understanding of the immune escape mechanisms used by malignant brain tumors because HLA antigens mediate interactions of tumor cells with the host's immune system.
  • EXPERIMENTAL DESIGN: Eighty-eight surgically removed malignant astrocytic tumors, classified according to the WHO criteria, were stained in immunoperoxidase reactions with monoclonal antibody recognizing monomorphic, locus-specific, and allospecific determinants of HLA class I antigens, beta2-microglobulin, APM components (LMP2, LMP7, TAP1, TAP2, calnexin, calreticulin, and tapasin), and HLA class II antigens.
  • RESULTS: HLA class I antigens were lost in approximately 50% of the 47 glioblastoma multiforme (GBM) lesions and in approximately 20% of the 18 grade 2 astrocytoma lesions stained.
  • Selective HLA-A2 antigen loss was observed in approximately 80% of the 24 GBM lesions and in approximately 50% of the 12 grade 2 astrocytoma lesions stained.
  • HLA class I antigen loss was significantly (P < 0.025) correlated with tumor grade.
  • Among the APM components investigated, tapasin expression was down-regulated in approximately 20% of the GBM lesions analyzed; it was associated, although not significantly, with HLA class I antigen down-regulation and tumor grade.
  • HLA class II antigen expression was detected in approximately 30% of the 44 lesions analyzed.
  • CONCLUSION: The presence of HLA antigen defects in malignant brain tumors may provide an explanation for the relatively poor clinical response rates observed in the majority of the T cell-based immunotherapy clinical trials conducted to date in patients with malignant brain tumors.
  • [MeSH-major] Antiporters / metabolism. Astrocytoma / metabolism. Brain Neoplasms / metabolism. HLA-A2 Antigen / metabolism. Histocompatibility Antigens Class I / metabolism. Immunoglobulins / metabolism
  • [MeSH-minor] ATP-Binding Cassette Sub-Family B Member 2. ATP-Binding Cassette Transporters / metabolism. ATP-Binding Cassette, Sub-Family B, Member 3. Antibodies, Monoclonal. Antigen Presentation. Biomarkers, Tumor / metabolism. Calnexin / metabolism. Calreticulin / metabolism. Cysteine Endopeptidases / metabolism. Down-Regulation. Humans. Membrane Transport Proteins. Multienzyme Complexes / metabolism. Proteasome Endopeptidase Complex. beta 2-Microglobulin / metabolism

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  • (PMID = 16322289.001).
  • [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 / P30 CA16056; United States / NCI NIH HHS / CA / R01 CA67108; United States / NCI NIH HHS / CA / T32 CA85183
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / ATP-Binding Cassette Sub-Family B Member 2; 0 / ATP-Binding Cassette Transporters; 0 / ATP-Binding Cassette, Sub-Family B, Member 3; 0 / Antibodies, Monoclonal; 0 / Antiporters; 0 / Biomarkers, Tumor; 0 / Calreticulin; 0 / HLA-A2 Antigen; 0 / Histocompatibility Antigens Class I; 0 / Immunoglobulins; 0 / Membrane Transport Proteins; 0 / Multienzyme Complexes; 0 / TAP1 protein, human; 0 / beta 2-Microglobulin; 0 / tapasin; 139873-08-8 / Calnexin; 144416-78-4 / LMP-2 protein; 145892-13-3 / TAP2 protein, human; EC 3.4.22.- / Cysteine Endopeptidases; EC 3.4.25.1 / LMP7 protein; EC 3.4.25.1 / Proteasome Endopeptidase Complex
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64. Ellert-Miklaszewska A, Grajkowska W, Gabrusiewicz K, Kaminska B, Konarska L: Distinctive pattern of cannabinoid receptor type II (CB2) expression in adult and pediatric brain tumors. Brain Res; 2007 Mar 16;1137(1):161-9
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  • [Title] Distinctive pattern of cannabinoid receptor type II (CB2) expression in adult and pediatric brain tumors.
  • The efficacy of cannabinoids against high-grade glioma in animal models, mediated by two specific receptors, CB1 and CB2, raised promises for targeted treatment of the most frequent and malignant primary brain tumors.
  • Most glioblastomas expressed very high levels of CB2 receptors and the expression correlated with tumor grade.
  • Interestingly, some benign pediatric astrocytic tumors, such as subependymal giant cell astrocytoma (SEGA), which may occasionally cause mortality owing to progressive growth, also displayed high CB2 immunoreactivity.
  • In contrast, all examined cases of embryonal tumors (medulloblastoma and S-PNET), the most frequently diagnosed malignant brain tumors in childhood, showed no or trace CB2 immunoreactivity.
  • Our results suggest that the CB2 receptor expression depends primarily on the histopathological origin of the brain tumor cells and differentiation state, reflecting the tumor grade.
  • [MeSH-minor] Adolescent. Adult. Age Factors. Astrocytoma / metabolism. Child. Glioblastoma / metabolism. Histocompatibility Antigens / metabolism. Humans. Immunohistochemistry. Reverse Transcriptase Polymerase Chain Reaction / methods

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  • (PMID = 17239827.001).
  • [ISSN] 0006-8993
  • [Journal-full-title] Brain research
  • [ISO-abbreviation] Brain Res.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Histocompatibility Antigens; 0 / Receptor, Cannabinoid, CB2
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65. Yeaney GA, O'Connor SM, Jankowitz BT, Hamilton RL: A 16-year-old male with a cerebellar mass. Brain Pathol; 2009 Jan;19(1):167-70
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  • An infiltrating component resembling diffuse astrocytoma could be found in areas.
  • Mitotic activity was very low, and necrosis was absent.
  • Ki-67 showed a very low proliferation index.
  • PXA is a diagnosis typically regarded as a superficial meningocerebral neoplasm.
  • [MeSH-major] Astrocytoma / diagnosis. Cerebellar Neoplasms / diagnosis

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  • (PMID = 19076785.001).
  • [ISSN] 1750-3639
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Letter
  • [Publication-country] Switzerland
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; 0 / Reticulin; 0 / Vimentin
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66. Agrawal R: Synchronous dual malignancy: successfully treated cases. J Cancer Res Ther; 2007 Jul-Sep;3(3):153-6
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  • The occurrence of a second malignancy in a patient with a known malignant tumour is not uncommon.
  • HPE mastectomy specimen showed infiltrating duct carcinoma and stage II.
  • HPE brain tissue showed astrocytoma grade II and HPE parotid tumour showed low grade muco-epidermoid carcinoma.
  • [MeSH-major] Astrocytoma / therapy. Brain Neoplasms / therapy. Breast Neoplasms / therapy. Carcinoma, Ductal, Breast / therapy. Carcinoma, Squamous Cell / therapy. Neoplasms, Multiple Primary / therapy. Uterine Cervical Neoplasms / therapy


67. Yap L, Crooks D, Warnke P: Low grade astrocytoma of the pituitary stalk. Acta Neurochir (Wien); 2007 Mar;149(3):307-11; discussion 311-2
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  • [Title] Low grade astrocytoma of the pituitary stalk.
  • A case of low grade astrocytoma (WHO grade II) localised in the pituitary stalk is reported in a 46 year old female who presented with central diabetes insipidus.
  • [MeSH-major] Astrocytoma / surgery. Pituitary Neoplasms / surgery
  • [MeSH-minor] Biopsy. Combined Modality Therapy. Female. Follow-Up Studies. Glial Fibrillary Acidic Protein / analysis. Humans. Hypophysectomy. Ki-67 Antigen / analysis. Magnetic Resonance Imaging. Middle Aged. Neoplasm Invasiveness. Optic Nerve / pathology. Pituitary Gland / pathology. Pituitary Irradiation. Radiotherapy, Adjuvant. Tomography, X-Ray Computed

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  • (PMID = 17242848.001).
  • [ISSN] 0942-0940
  • [Journal-full-title] Acta neurochirurgica
  • [ISO-abbreviation] Acta Neurochir (Wien)
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Austria
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; 0 / Ki-67 Antigen
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68. Holland H, Koschny T, Ahnert P, Meixensberger J, Koschny R: WHO grade-specific comparative genomic hybridization pattern of astrocytoma - a meta-analysis. Pathol Res Pract; 2010 Oct 15;206(10):663-8
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  • [Title] WHO grade-specific comparative genomic hybridization pattern of astrocytoma - a meta-analysis.
  • To detect novel genetic alterations, many astrocytomas have been investigated by comparative genomic hybridization (CGH).
  • To identify aberration profiles characteristic of World Health Organization (WHO) grade I, II, III, and IV astrocytoma, we performed a meta-analysis of detailed genome wide CGH data of all 467 cases published so far.
  • After expansion of all given aberrations to the maximum of 850 GTG-band resolution, the frequencies of genetic imbalances were calculated for each chromosomal band, separately for all four WHO grades.
  • Low-grade astrocytoma has already demonstrated one characteristic of glioblastoma multiforme, gain of chromosome 7 with a hot spot at 7q32, but without loss of chromosome 10.
  • In anaplastic astrocytoma, a more complex aberration pattern emerges from diffuse genetic imbalances.
  • In contrast to lower tumor grades, glioblastoma multiforme demonstrates +7p12 as the most frequently affected band on chromosome 7.
  • To quantify the gradual transition from WHO grade II-IV astrocytoma, we calculated the relative increase and decrease in frequency for each detected aberration of the tumor genome.
  • The most pronounced and diverse changes of genetic material occur at the virtual transition from low-grade to anaplastic astrocytoma.
  • 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 astrocytoma.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Chromosome Aberrations. Comparative Genomic Hybridization. Glioblastoma / genetics. World Health Organization
  • [MeSH-minor] Gene Expression Regulation, Neoplastic. Genotype. Humans. Neoplasm Staging. Phenotype. Prognosis

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  • [Copyright] Copyright © 2010 Elsevier GmbH. All rights reserved.
  • (PMID = 20570053.001).
  • [ISSN] 1618-0631
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Journal Article; Meta-Analysis
  • [Publication-country] Germany
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69. 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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70. Brat DJ, Scheithauer BW, Fuller GN, Tihan T: Newly codified glial neoplasms of the 2007 WHO Classification of Tumours of the Central Nervous System: angiocentric glioma, pilomyxoid astrocytoma and pituicytoma. Brain Pathol; 2007 Jul;17(3):319-24
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  • [Title] Newly codified glial neoplasms of the 2007 WHO Classification of Tumours of the Central Nervous System: angiocentric glioma, pilomyxoid astrocytoma and pituicytoma.
  • The 4(th) edition of the WHO Classification of Tumours of the Nervous System (WHO 2007) introduces changes that reflect both the recognition of new brain tumour types and a better understanding of neoplastic behavior.
  • Three new tumours, angiocentric glioma (AG), pilomyxoid astrocytoma (PMA), and pituicytoma are added to the section on gliomas.
  • Typically, AG can be cured by total resection, and is designated WHO grade I.
  • While PMA is considered a more aggressive variant of pilocytic astrocytoma, this relationship awaits further clarification.
  • The PMA has been designated WHO grade II.
  • Pituicytomas are indolent tumours, and are designated WHO grade I.
  • [MeSH-major] Astrocytoma / classification. Central Nervous System Neoplasms / classification. Glioma / classification. Neuroglia / pathology. Pituitary Gland / pathology. Pituitary Neoplasms / classification. World Health Organization

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  • (PMID = 17598825.001).
  • [ISSN] 1015-6305
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Switzerland
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71. Ohgaki H, Kleihues P: Genetic pathways to primary and secondary glioblastoma. Am J Pathol; 2007 May;170(5):1445-53
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  • Glioblastoma is the most frequent and most malignant human brain tumor.
  • The majority of cases (>90%) are primary glioblastomas that develop rapidly de novo, without clinical or histological evidence of a less malignant precursor lesion.
  • Secondary glioblastomas develop through progression from low-grade diffuse astrocytoma or anaplastic astrocytoma and manifest in younger patients.
  • In the pathway to secondary glioblastoma, TP53 mutations are the most frequent and earliest detectable genetic alteration, already present in 60% of precursor low-grade astrocytomas.
  • [MeSH-minor] Chromosomes, Human, Pair 10 / genetics. Humans. Loss of Heterozygosity / genetics. Mutation. PTEN Phosphohydrolase / genetics. Tumor Suppressor Protein p53 / genetics

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  • (PMID = 17456751.001).
  • [ISSN] 0002-9440
  • [Journal-full-title] The American journal of pathology
  • [ISO-abbreviation] Am. J. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Tumor Suppressor Protein p53; EC 3.1.3.48 / PTEN protein, human; EC 3.1.3.67 / PTEN Phosphohydrolase
  • [Number-of-references] 85
  • [Other-IDs] NLM/ PMC1854940
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72. Song HR, Gonzalez-Gomez I, Suh GS, Commins DL, Sposto R, Gilles FH, Deneen B, Erdreich-Epstein A: Nuclear factor IA is expressed in astrocytomas and is associated with improved survival. Neuro Oncol; 2010 Feb;12(2):122-32
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  • [Title] Nuclear factor IA is expressed in astrocytomas and is associated with improved survival.
  • Here, we examined NFIA protein expression in gliomas and its association with clinical outcome in pediatric malignant astrocytomas.
  • Association between NFIA expression and progression-free survival (PFS) was examined in high-grade astrocytomas for which clinical data were available (n = 23, all children).
  • NFIA was highly expressed in astrocytomas of all grades, but only in a minority of cells in oligodendroglial tumors.
  • NFIA was expressed on a higher percentage of tumor cells in low-grade astrocytomas (91 +/- 5% and 77 +/- 14% in World Health Organization [WHO] I and II, respectively) compared with high-grade astrocytomas (48 +/- 18% and 37 +/- 16% in WHO III and IV, respectively; P < .001, low- vs high-grade astrocytomas).
  • There was a significant association between NFIA expression and PFS in children with astrocytoma WHO grade III or IV (Cox regression P = .019; logrank trend test for NFIA tertiles P = .0040 and NFIA quartiles P = .014).
  • The association was not consistently significant in this small series of patients after adjustment was made for WHO grade III or IV.
  • This is the first study to demonstrate expression of NFIA protein in astrocytomas and its association with grades of astrocytoma and PFS, suggesting that NFIA may play a role in astrocytoma biology.

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  • (PMID = 20150379.001).
  • [ISSN] 1523-5866
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] ENG
  • [Grant] United States / NINDS NIH HHS / NS / K08 NS064297; United States / NICHD NIH HHS / HD / K12-HD052954
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / NFI Transcription Factors; 0 / NFIA protein, human
  • [Other-IDs] NLM/ PMC2940580
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73. Martins DC, Malheiros SM, Santiago LH, Stávale JN: Gemistocytes in astrocytomas: are they a significant prognostic factor? J Neurooncol; 2006 Oct;80(1):49-55
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  • [Title] Gemistocytes in astrocytomas: are they a significant prognostic factor?
  • Our aim was to retrospectively evaluate the influence of gemistocytic astrocytes, cellular proliferation indices, immunoexpression of proteins p53 and bcl-2 in the clinical outcome of 39 patients with WHO grade II and III astrocytomas with the presence of gemistocytes.
  • Out of 24 who presented clinical and neuroimaging worsening, characterized as tumor progression or recurrence, 16 had histological confirmation and were also analyzed.
  • We could not detect significant differences when comparing all the indices between WHO grade II and III and also between the first and second biopsies.
  • We also could not detect significant differences in progression-free and overall survival when analyzing the gemistocyte index and the immunohistochemical labeling indices p53, bcl-2 and MIB-1, as well as patientsa9 age (median value, up to 34 vs. over 34 years) and histological grade (II or III).
  • Our finding confirms recent reports that question the role of gemistocytes as a prognostic factor in diffuse astrocytomas.
  • The significance and role of gemistocytes in astrocytomas has yet to be defined and warrants further study.
  • [MeSH-major] Astrocytoma / mortality. Astrocytoma / pathology. Brain Neoplasms / mortality. Brain Neoplasms / pathology
  • [MeSH-minor] Adolescent. Adult. Cell Proliferation. Disease-Free Survival. Female. Humans. Immunohistochemistry. Ki-67 Antigen / metabolism. Male. Middle Aged. Prognosis. Proto-Oncogene Proteins c-bcl-2 / metabolism. Retrospective Studies. Survival Analysis. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 16645716.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / Proto-Oncogene Proteins c-bcl-2; 0 / Tumor Suppressor Protein p53
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74. Mursch K, Halatsch ME, Markakis E, Behnke-Mursch J: Intrinsic brainstem tumours in adults: results of microneurosurgical treatment of 16 consecutive patients. Br J Neurosurg; 2005 Apr;19(2):128-36
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  • Between 1986 and 1997, we operated upon 16 consecutive patients over 16 years of age (five female, 11 male, mean age 36.9 years) who were suffering from intrinsic tumours located in the pons and/or medulla oblongata.
  • Eight patients had from WHO grade II astrocytoma and a similar course as patients with higher-grade gliomas (n = 4).
  • [MeSH-minor] Adolescent. Adult. Aged. Astrocytoma / diagnosis. Astrocytoma / mortality. Astrocytoma / surgery. Child. Female. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Survival Analysis. Treatment Outcome

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  • (PMID = 16120515.001).
  • [ISSN] 0268-8697
  • [Journal-full-title] British journal of neurosurgery
  • [ISO-abbreviation] Br J Neurosurg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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75. Bartkova J, Hamerlik P, Stockhausen MT, Ehrmann J, Hlobilkova A, Laursen H, Kalita O, Kolar Z, Poulsen HS, Broholm H, Lukas J, Bartek J: Replication stress and oxidative damage contribute to aberrant constitutive activation of DNA damage signalling in human gliomas. Oncogene; 2010 Sep 9;29(36):5095-102
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  • Malignant gliomas, the deadliest of brain neoplasms, show rampant genetic instability and resistance to genotoxic therapies, implicating potentially aberrant DNA damage response (DDR) in glioma pathogenesis and treatment failure.
  • Here, we report on gross, aberrant constitutive activation of DNA damage signalling in low- and high-grade human gliomas, and analyze the sources of such endogenous genotoxic stress.
  • Based on analyses of human glioblastoma multiforme (GBM) cell lines, normal astrocytes and clinical specimens from grade II astrocytomas (n=41) and grade IV GBM (n=60), we conclude that the DDR machinery is constitutively activated in gliomas, as documented by phosphorylated histone H2AX (gammaH2AX), activation of the ATM-Chk2-p53 pathway, 53BP1 foci and other markers.
  • Oxidative DNA damage (8-oxoguanine) was high in some GBM cell lines and many GBM tumors, while it was low in normal brain and grade II astrocytomas, despite the degree of DDR activation was higher in grade II tumors.
  • Markers indicative of ongoing DNA replication stress (Chk1 activation, Rad17 phosphorylation, replication protein A foci and single-stranded DNA) were present in GBM cells under high- or low-oxygen culture conditions and in clinical specimens of both low- and high-grade tumors.
  • The observed global checkpoint signaling, in contrast to only focal areas of overabundant p53 (indicative of p53 mutation) in grade II astrocytomas, are consistent with DDR activation being an early event in gliomagenesis, initially limiting cell proliferation (low Ki-67 index) and selecting for mutations of p53 and likely other genes that allow escape (higher Ki-67 index) from the checkpoint and facilitate tumor progression.
  • Overall, these results support the potential role of the DDR machinery as a barrier to gliomagenesis and indicate that replication stress, rather than oxidative stress, fuels the DNA damage signalling in early stages of astrocytoma development.
  • [MeSH-minor] Cell Line, Tumor. Histones / metabolism. Humans. Ki-67 Antigen / metabolism. Signal Transduction / genetics. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 20581868.001).
  • [ISSN] 1476-5594
  • [Journal-full-title] Oncogene
  • [ISO-abbreviation] Oncogene
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / H2AFX protein, human; 0 / Histones; 0 / Ki-67 Antigen; 0 / Tumor Suppressor Protein p53
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76. Li JY, Wang H, May S, Song X, Fueyo J, Fuller GN, Wang H: Constitutive activation of c-Jun N-terminal kinase correlates with histologic grade and EGFR expression in diffuse gliomas. J Neurooncol; 2008 May;88(1):11-7
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  • [Title] Constitutive activation of c-Jun N-terminal kinase correlates with histologic grade and EGFR expression in diffuse gliomas.
  • In this study, we used an immunohistochemical approach to examine the activation status of JNK of 226 gliomas in a high-density tissue microarray comprising all WHO codified WHO diffuse glioma subtypes and grades.
  • The results were correlated with grade and EGFR expression status.
  • Constitutively activated JNK (pJNK) was detected in 90.5%, 62.9% and 17.5% of WHO grade IV, III and II gliomas, respectively (p < 0.001).
  • Among the 76 diffuse gliomas that exhibited EGFR expression, 63 (82.9%) were positive for pJNK.
  • Our data thus provide strong support for the hypothesis that JNK activation plays a role in the tumorigenesis and/or progression of diffuse gliomas, and suggests that EGFR is involved in constitutive JNK activation in diffuse gliomas.
  • [MeSH-minor] Astrocytoma / drug therapy. Astrocytoma / pathology. Blotting, Western. Cells, Cultured. Enzyme Activation / physiology. Glioblastoma / drug therapy. Glioblastoma / pathology. Gliosarcoma / drug therapy. Gliosarcoma / pathology. Humans. Immunohistochemistry. Oligodendroglioma / drug therapy. Oligodendroglioma / pathology


77. Colman H, Giannini C, Huang L, Gonzalez J, Hess K, Bruner J, Fuller G, Langford L, Pelloski C, Aaron J, Burger P, Aldape K: Assessment and prognostic significance of mitotic index using the mitosis marker phospho-histone H3 in low and intermediate-grade infiltrating astrocytomas. Am J Surg Pathol; 2006 May;30(5):657-64
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  • [Title] Assessment and prognostic significance of mitotic index using the mitosis marker phospho-histone H3 in low and intermediate-grade infiltrating astrocytomas.
  • Distinguishing between grade II and grade III diffuse astrocytomas is important both for prognosis and for treatment decision-making.
  • We tested the relationship between pHH3 staining and tumor grade and prognosis in a retrospective series of grade II and III infiltrating astrocytomas from a single institution.
  • The pHH3 index (per 1000 cells), MIB-1 index (per 1000 cells), and number of mitoses per 10 high-power fields were determined for each of 103 cases of grade II and III diffuse astrocytomas from patients with clinical follow-up. pHH3 staining was found to be a simple and reliable method for identifying mitotic figures, allowing a true mitotic index to be determined.
  • Thus, pHH3 staining provides a simple and reliable method for quantifying proliferative potential and for the stratification of patients with diffuse astrocytomas into typical grade II and III groups.
  • These results also suggest that pHH3 staining may be a useful method in other neoplasms in which accurate determination of proliferation potential is relevant to tumor grading or clinical treatment decision-making.
  • [MeSH-major] Astrocytoma / metabolism. Biomarkers, Tumor / analysis. Brain Neoplasms / metabolism. Histones / metabolism. Mitotic Index

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  • (PMID = 16699322.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Histones; 0 / Ki-67 Antigen
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78. Libý P, Kostrouchová M, Pohludka M, Yilma P, Hrabal P, Sikora J, Brozová E, Kostrouchová M, Rall JE, Kostrouch Z: Elevated and deregulated expression of HDAC3 in human astrocytic glial tumours. Folia Biol (Praha); 2006;52(1-2):21-33
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  • [Title] Elevated and deregulated expression of HDAC3 in human astrocytic glial tumours.
  • We examined expression of HDAC3 in human non-malignant gliosis and glial astrocytic tumours.
  • Samples from four non-malignant gliosis and 17 astrocytic gliomas (six of grade II, one of grade III and ten of grade IV) removed for therapeutic purposes were assayed for HDAC3 expression at mRNA and protein levels.
  • Seven out of eleven examined high-grade tumours showed an elevated number of copies of HDAC3 mRNA.
  • Immunohistochemistry and immunofluorescence made on a collection of 35 astrocytic tumours detected nuclear as well as cytoplasmic HDAC3 expression in all of those tumours.
  • While the distribution of HDAC3 was both nuclear as well as cytoplasmic and moderate in intensity in non-malignant tissues and low-grade gliomas, high-grade tumours expressed HDAC3 in a focally deregulated pattern that included strongly pronounced cytoplasmic localization.
  • We conclude that HDAC3 expression is elevated in human astrocytic tumours and its expression pattern is deregulated at the cellular level in high-grade gliomas.
  • [MeSH-major] Astrocytoma / enzymology. Brain Neoplasms / enzymology. Histone Deacetylases / metabolism

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  • (PMID = 17007107.001).
  • [ISSN] 0015-5500
  • [Journal-full-title] Folia biologica
  • [ISO-abbreviation] Folia Biol. (Praha)
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Czech Republic
  • [Chemical-registry-number] 0 / Protein Isoforms; 0 / RNA, Messenger; EC 3.5.1.98 / Histone Deacetylases; EC 3.5.1.98 / histone deacetylase 3
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79. Blauwblomme T, Varlet P, Goodden JR, Cuny ML, Piana H, Roujeau T, Dirocco F, Grill J, Kieffer V, Boddaert N, Sainte-Rose C, Puget S: Forniceal glioma in children. Clinical article. J Neurosurg Pediatr; 2009 Sep;4(3):249-53
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • On histological review, the tumors were confirmed as pilocytic astrocytoma (4 lesions), WHO Grade II astrocytoma (3), and ganglioglioma (1).
  • Additional treatment was required for 5 patients for tumor progression, with a median interval of 19 months from surgery.
  • CONCLUSIONS: In this series, forniceal gliomas were found to be low-grade gliomas.

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  • (PMID = 19772409.001).
  • [ISSN] 1933-0707
  • [Journal-full-title] Journal of neurosurgery. Pediatrics
  • [ISO-abbreviation] J Neurosurg Pediatr
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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80. Torii K, Tsuyuguchi N, Kawabe J, Sunada I, Hara M, Shiomi S: Correlation of amino-acid uptake using methionine PET and histological classifications in various gliomas. Ann Nucl Med; 2005 Dec;19(8):677-83
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  • OBJECTIVE: The uptake of L-methyl-11C-methionine (MET) by gliomas is greater than that by intact tissue, making methionine very useful for evaluation of tumor extent.
  • Tumors included diffuse astrocytoma, anaplastic astrocytoma, glioblastoma, ependymoma, oligodendroglioma, medulloblastoma, dysembryoplastic neuroepithelial tumor, choroid plexus papilloma, central neurocytoma, optic glioma, gliomatosis cerebri, pleomorphic xanthoastrocytoma, and ganglioglioma.
  • Tumor activity and degree of malignancy were evaluated using Ki-67LI (LI: labeling index) and Kaplan-Meier survival curves.
  • The correlations between methionine uptake and tumor proliferation (tumor versus contralateral gray matter ratio (T/N) and Ki-67LI) were determined for the group of all subjects.
  • The existence of significant correlations between T/N and Ki-67LI and between SUV and Ki-67LI was determined for astrocytic tumors.
  • Receiver operating characteristics (ROC) analysis of T/N and standardized uptake value (SUV) was performed for the group of astrocytic tumors.
  • Ki-67LI differed significantly between the high-grade group and low-grade group at T/N levels between 1.5 and 1.8 on analysis using tumor proliferative potential (p = 0.019-0.031).
  • The prognosis differed significantly between the high-grade and low-grade groups when T/N was in the range of 1.6-1.8 (p = 0.028-0.032).
  • CONCLUSIONS: When analysis was confined to cases of astrocytic tumor, a correlation was noted between methionine accumulation and Ki-67LI.
  • For the astrocytic tumors, T/N ratio seemed to be more useful as a diagnostic indicator than SUV.
  • The cut-off level of T/N ratio for distinction between high-grade and low-grade astrocytoma appears to lie between 1.5 and 1.6.


81. Korshunov A, Meyer J, Capper D, Christians A, Remke M, Witt H, Pfister S, von Deimling A, Hartmann C: Combined molecular analysis of BRAF and IDH1 distinguishes pilocytic astrocytoma from diffuse astrocytoma. Acta Neuropathol; 2009 Sep;118(3):401-5
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  • [Title] Combined molecular analysis of BRAF and IDH1 distinguishes pilocytic astrocytoma from diffuse astrocytoma.
  • Separation of pilocytic astrocytoma from diffuse astrocytomas frequently poses problems mostly related to small sample size.
  • Precise classification and grading are essential due to different therapeutic strategies prompted by diagnoses of pilocytic astrocytoma WHO grade I, diffuse astrocytomas WHO grade II or anaplastic astrocytoma WHO grade III.
  • Pilocytic astrocytomas carry a duplication at chromosome band 7q34 containing a BRAF-KIAA1549 gene fusion in the majority of cases.
  • IDH1 mutations are observed very frequently in adult astrocytomas and IDH2 mutations have been reported in some astrocytomas.
  • We examined a series of 120 astrocytomas including 70 pilocytic astrocytomas WHO grade I and 50 diffuse astrocytomas WHO grade II for both, BRAF-KIAA1549 fusion with a newly developed FISH assay and mutations in IDH1 and IDH2 by direct sequencing.
  • Pilocytic astrocytomas contained the BRAF fusion in 49 cases (70%) but neither IDH1 nor IDH2 mutations.
  • Astrocytomas WHO grade II exhibited IDH1 mutations in 38 cases (76%) but neither IDH2 mutations nor BRAF fusions.
  • Thus, combined molecular analysis of BRAF and IDH1 is a sensitive and highly specific approach to separate pilocytic astrocytoma from diffuse astrocytoma.
  • [MeSH-major] Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Isocitrate Dehydrogenase / genetics. Proto-Oncogene Proteins B-raf / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Biomarkers, Tumor. Child. Child, Preschool. Diagnosis, Differential. Female. Humans. In Situ Hybridization, Fluorescence. Male. Middle Aged. Mutation. Tissue Array Analysis


82. Rauscher A, Sedlacik J, Fitzek C, Walter B, Hochstetter A, Kalff R, Kaiser WA, Reichenbach JR: High resolution susceptibility weighted MR-imaging of brain tumors during the application of a gaseous agent. Rofo; 2005 Aug;177(8):1065-9
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  • PURPOSE: To employ a high resolution blood oxygenation level dependent (BOLD) method called susceptibility weighted imaging (SWI) together with the breathing of carbogen to investigate the response of cerebral tumors to this breathing gas and to assess tumor anatomy at high resolution.
  • METHODS: Five patients with cerebral tumors (four glioblastoma multiforme, one astrocytoma [WHO grade II]) were studied using a susceptibility weighted 3D gradient echo, first order velocity compensated sequence (TE = 45 ms, TR = 67 ms, alpha = 25 degrees , FOV = 256 x 192 x 64 mm(3), typical matrix = 512 x 192 x 64), on a 1.5 T MR scanner while they were breathing air and carbogen.
  • The astrocytoma displayed a signal decrease during carbogen breathing (- 4.1 +/- 0.1 % to - 6.8 +/- 0.3 % in peritumoral areas that correspond to hyperintense regions on T (2)-weighted images, and - 3.1 +/- 0.1 % in the tumor-center).
  • Combined with hypercapnia it allows for regional assessment of tumor activity.
  • [MeSH-minor] Adult. Astrocytoma / diagnosis. Contrast Media. Female. Glioblastoma / diagnosis. Humans. Male. Middle Aged

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  • (PMID = 16021537.001).
  • [ISSN] 1438-9029
  • [Journal-full-title] RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
  • [ISO-abbreviation] Rofo
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Contrast Media; 142M471B3J / Carbon Dioxide; 8063-77-2 / carbogen; S88TT14065 / Oxygen
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83. Burim RV, Teixeira SA, Colli BO, Peria FM, Tirapelli LF, Marie SK, Malheiros SM, Oba-Shinjo SM, Gabbai AA, Lotufo PA, Carlotti-Júnior CG: ICAM-1 (Lys469Glu) and PECAM-1 (Leu125Val) polymorphisms in diffuse astrocytomas. Clin Exp Med; 2009 Jun;9(2):157-63
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  • [Title] ICAM-1 (Lys469Glu) and PECAM-1 (Leu125Val) polymorphisms in diffuse astrocytomas.
  • Single-nucleotide polymorphism in codon 469 of ICAM-1 and codon 125 of PECAM-1 were examined in 158 patients with astrocytomas and 162 controls using polymerase chain reaction and restriction enzyme analysis.
  • The distribution of PECAM-1 polymorphic genotypes in astrocytomas did not show any significant difference.
  • However, a specific ICAM-1 genotype (G/G, corresponding to Lys469Glu) exhibited higher frequency in grade II astrocytomas compared to controls, grade III, and grade IV astrocytomas; suggesting that this polymorphism could be involved in the development of grade II astrocytomas.
  • [MeSH-major] Antigens, CD31 / genetics. Astrocytoma / genetics. Intercellular Adhesion Molecule-1 / genetics. Polymorphism, Single Nucleotide

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  • (PMID = 19306055.001).
  • [ISSN] 1591-8890
  • [Journal-full-title] Clinical and experimental medicine
  • [ISO-abbreviation] Clin. Exp. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Italy
  • [Chemical-registry-number] 0 / Antigens, CD31; 126547-89-5 / Intercellular Adhesion Molecule-1
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84. Romeike BF, Böckeler A, Kremmer E, Sommer P, Krick C, Grässer F: Immunohistochemical detection of dUTPase in intracranial tumors. Pathol Res Pract; 2005;201(11):727-32
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  • A hundred and twenty-seven human intracranial tumors, including 56 astrocytomas, 12 oligodendrogliomas, 8 oligoastrocytomas, 34 meningiomas, 7 ependymomas, and 10 metastatic carcinomas, were stained using the monoclonal rat anti-human dUTPase antibody (clone 3E6) with formalin-fixed and paraffin-embedded tissue.
  • All tumors contained dUTPase-positive nuclei, whereas the percentage of positive tumor cells generally increased with grade of malignancy.
  • Meningiomas of higher grades, i.e., World Health Organization (WHO) grades II and III, contained additional cells with cytoplasmic reactivity.
  • Labeling indices for dUTPase, but not for Ki-67, showed significant differences between all 3 WHO grades of diffuse astrocytomas.
  • It proved particularly useful for the evaluation of diffuse astrocytomas.
  • [MeSH-major] Biomarkers, Tumor / analysis. Brain Neoplasms / enzymology. Pyrophosphatases / analysis
  • [MeSH-minor] Astrocytoma / enzymology. Astrocytoma / immunology. Astrocytoma / pathology. Cell Nucleus / enzymology. Cell Nucleus / immunology. Cell Proliferation. Ependymoma / enzymology. Ependymoma / immunology. Ependymoma / pathology. Humans. Immunohistochemistry. Ki-67 Antigen / analysis. Meningioma / enzymology. Meningioma / immunology. Meningioma / pathology. Oligodendroglioma / enzymology. Oligodendroglioma / immunology. Oligodendroglioma / pathology. Paraffin Embedding. World Health Organization

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  • [ErratumIn] Pathol Res Pract. 2006;202(1):65
  • (PMID = 16325515.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen; EC 3.6.1.- / Pyrophosphatases; EC 3.6.1.23 / dUTP pyrophosphatase
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85. Chen J, Xia J, Zhou YC, Xia LM, Zhu WZ, Zou ML, Feng DY, Wang CY: [Correlation between magnetic resonance diffusion weighted imaging and cell density in astrocytoma]. Zhonghua Zhong Liu Za Zhi; 2005 May;27(5):309-11
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  • [Title] [Correlation between magnetic resonance diffusion weighted imaging and cell density in astrocytoma].
  • OBJECTIVE: To evaluate the apparent diffusion coefficients (ADC) in magnetic resonance diffusion weighted imaging with echo-planar technique in depicting the tumor cellularity and grading of astrocytoma.
  • METHODS: Thirty-four astrocytoma patients including 18 male and 16 female with age from 10 to 73 years (mean 38.4 years) were examined by MRI and eventually proved by surgical resection and pathological examination.
  • Of them, 26 had low-grade (grade I, II) astrocytoma and 8 high-grade (grade III, IV) astrocytoma.
  • ADC value of astrocytoma was determined on magnetic resonance diffusion weighted images.
  • Cellularity of the astrocytoma was analyzed using Adobe Photoshop 7.0.1 software.
  • RESULTS: The mean ADC value (in units of 10(-4) mm(2)/s) of the high-grade astrocytomas (7.34 +/- 2.95) was significantly lower than that of the low-grade astrocytomas (13.76 +/- 3.31) (t = 4.91, P < 0.001).
  • The mean cellularity of the high-grade astrocytomas (19.81 +/- 9.73)% was significantly higher than that of the low-grade astrocytomas (4.74 +/- 2.96)% (t = 4.32, P = 0.003).
  • ADC value of the astrocytoma was significantly and negatively correlated with its cellularity (r = -0.535, P = 0.001).
  • CONCLUSION: ADC value of astrocytoma is significantly and negatively correlated with its cellularity.
  • Magnetic resonance diffusion weighted imaging may well be highly potential in predicting the degree of astrocytoma.
  • [MeSH-major] Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Diffusion Magnetic Resonance Imaging

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  • (PMID = 15996330.001).
  • [ISSN] 0253-3766
  • [Journal-full-title] Zhonghua zhong liu za zhi [Chinese journal of oncology]
  • [ISO-abbreviation] Zhonghua Zhong Liu Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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86. Bellil S, Limaiem F, Mahfoudhi H, Bellil K, Chelly I, Mekni A, Jemel H, Khaldi M, Haouet S, Zitouna M, Kchir N: Descriptive epidemiology of childhood central nervous system tumours in Tunisia. experience of a single institution over a 15-year period (1990-2004). Pediatr Neurosurg; 2008;44(5):382-7
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  • We investigated the age-related location, gender distribution and the histology of all tumours, and adopted the latest WHO classification (2007) in grouping all the tumours.
  • Low-grade tumours (WHO I/II) constituted 67.3% of all lesions and the rest (32.7%) were high-grade tumours (WHO III/IV).
  • The most common tumour found in our series was astrocytoma (38%), followed by medulloblastoma (16.2%), then ependymoma (6.9%), cystic tumours (6.3%) and craniopharyngioma (5.3%).

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  • [Copyright] (c) 2008 S. Karger AG, Basel.
  • (PMID = 18703884.001).
  • [ISSN] 1423-0305
  • [Journal-full-title] Pediatric neurosurgery
  • [ISO-abbreviation] Pediatr Neurosurg
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Switzerland
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87. Ruban D, Byrne RW, Kanner A, Smith M, Cochran EJ, Roh D, Whisler WW: Chronic epilepsy associated with temporal tumors: long-term surgical outcome. Neurosurg Focus; 2009 Aug;27(2):E6
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  • OBJECT: The authors undertook a study to review the clinical features and outcome in patients who underwent surgery for intractable chronic epilepsy caused by temporal lobe tumors.
  • METHODS: The Rush Surgical Epilepsy Database was queried to identify patients with chronic intractable epilepsy who underwent resection of temporal lobe tumors between 1981 and 2005 at Rush University Medical Center.
  • RESULTS: Thirty-eight patients were identified, all with low-grade tumors.
  • Gangliogliomas were the most common (36.8%), followed in descending order by dysembryoplastic neuroepithelial tumors (26.3%) and low-grade diffuse astrocytoma (10.5%).
  • The mean follow-up duration was 7.7 years (range 1.0-23.1 years), with 78.9% of patients having seizure status that improved to Engel Class I, 15.8% to Engel Class II, and 5.3% to Engel Class III.
  • [MeSH-minor] Adolescent. Adult. Amygdala / pathology. Amygdala / surgery. Astrocytoma / pathology. Astrocytoma / surgery. Child. Chronic Disease. Female. Ganglioglioma / pathology. Ganglioglioma / surgery. Glioma / pathology. Glioma / surgery. Hippocampus / pathology. Humans. Longitudinal Studies. Magnetic Resonance Imaging. Male. Middle Aged. Neurosurgical Procedures. Preoperative Care. Treatment Outcome


88. Kuhlmann T, Gutenberg A, Schulten HJ, Paulus W, Rohde V, Bruck W: Nogo-a expression in glial CNS tumors: a tool to differentiate between oligodendrogliomas and other gliomas? Am J Surg Pathol; 2008 Oct;32(10):1444-53
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  • In a minority of cases, the differentiation between astrocytomas and oligodendrogliomas based on morphologic characteristics alone can be difficult; though it is important, as patients with oligodendrogliomas follow a more favorable clinical course.
  • Here we report on the immunohistochemical expression pattern of the oligodendrocytic marker Nogo-A in 113 central nervous system tumors including 28 oligodendrogliomas [15, World Health Organization (WHO) grade II; 13, grade WHO III], 50 astrocytomas [10, grade WHO II; 11, grade WHO III; 29 glioblastoma multiforme (GBM)], 11 ependymomas WHO grade II, 7 central neurocytomas, 2 dysembryoplastic neuroepithelial tumors (DNTs), 5 clear cell meningiomas, and 10 metastases to the brain.
  • The oligodendrocytic marker Nogo-A was found to be strongly expressed in 71% of oligodendrogliomas, but in 0% of ependymomas WHO grade II, astrocytomas WHO grade II or III, DNTs, central neurocytomas, or clear cell meningiomas.
  • Our findings indicate that Nogo-A is strongly expressed in the majority of oligodendrogliomas and might be a helpful marker to distinguish oligodendrogliomas from astrocytomas WHO grades II and III as well as ependymomas.
  • [MeSH-major] Biomarkers, Tumor / analysis. Brain Neoplasms / chemistry. Glioma / chemistry. Meningioma / chemistry. Myelin Proteins / analysis. Neurocytoma / chemistry. Oligodendroglioma / chemistry
  • [MeSH-minor] Astrocytoma / chemistry. Diagnosis, Differential. Ependymoma / chemistry. Gene Expression Regulation, Neoplastic. Glioblastoma / chemistry. Humans. Immunohistochemistry. Neoplasm Staging

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  • (PMID = 18685489.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Myelin Proteins; 0 / Nogo protein
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89. Opstad KS, Wright AJ, Bell BA, Griffiths JR, Howe FA: Correlations between in vivo (1)H MRS and ex vivo (1)H HRMAS metabolite measurements in adult human gliomas. J Magn Reson Imaging; 2010 Feb;31(2):289-97
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  • PURPOSE: To assess how accurately ex vivo high-resolution magic angle spinning (HRMAS) proton magnetic resonance spectroscopy ((1)H MRS) from small biopsy tissues relate to in vivo (1)H MRS (from larger tumor volumes) in human astrocytomas.
  • MATERIALS AND METHODS: In vivo (PRESS, TE = 30 msec) and ex vivo (presaturation) (1)H spectra of 17 human astrocytomas (4 grade II, 1 grade III and 12 glioblastomas) were quantified using LCModel.
  • Concentrations of 11 metabolites and 2 lipid/macromolecules were retrospectively compared, with histogram analysis of the in vivo MRI data used to evaluate tumor heterogeneity.
  • CONCLUSION: Within defined limitations, ex vivo astrocytoma biopsy HRMAS (1)H spectra have similar metabolic profiles to that obtained in vivo and therefore detailed ex vivo characterization of glioma biopsies can directly relate to the original tumor.
  • [MeSH-major] Algorithms. Astrocytoma / diagnosis. Astrocytoma / metabolism. Biomarkers, Tumor / analysis. Brain Neoplasms / diagnosis. Brain Neoplasms / metabolism. Magnetic Resonance Spectroscopy / methods

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  • (PMID = 20099340.001).
  • [ISSN] 1522-2586
  • [Journal-full-title] Journal of magnetic resonance imaging : JMRI
  • [ISO-abbreviation] J Magn Reson Imaging
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / C1459/A2592
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Protons
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90. Gil-Salú JL, Nieto A, Rodríguez-Gutiérrez JF, Almarcha J: [Allelic loss at 1p/19q analysis in brain tumors of glial lineage]. Neurocirugia (Astur); 2007 Aug;18(4):285-93; discussion 293
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  • [Transliterated title] Análisis de la presencia de mutaciones por pérdida de heterocigocidad de 1p/19q en tumores cerebrales de estirpe glial.
  • RESULTS: Were included in the first part of this study 45 sample of neuroepithelial tissue supratentorial tumors: 29 glioblastoma, 1 gliosarcoma, 7 diffuse astrocytoma grade II, 1 oligoastrocytoma, 3 oligodendroglioma, 1 anaplastic oligodendroglioma, 1 xanthoastrocytoma, 1 dysembryoplastic neuroepithelial tumour and 1 pilocytic astrocytoma.
  • 80% of oligodendroglial tumors, 14% glioblastoma and 14% of diffuse astrocytoma grade II.
  • [MeSH-minor] Base Sequence. DNA, Neoplasm / analysis. Genetic Markers. Humans. Microsatellite Repeats. Molecular Sequence Data. Retrospective Studies

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  • (PMID = 17882335.001).
  • [ISSN] 1130-1473
  • [Journal-full-title] Neurocirugía (Asturias, Spain)
  • [ISO-abbreviation] Neurocirugia (Astur)
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Spain
  • [Chemical-registry-number] 0 / DNA, Neoplasm; 0 / Genetic Markers
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91. Combs SE, Ahmadi R, Schulz-Ertner D, Thilmann C, Debus J: Recurrent low-grade gliomas: the role of fractionated stereotactic re-irradiation. J Neurooncol; 2005 Feb;71(3):319-23
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  • [Title] Recurrent low-grade gliomas: the role of fractionated stereotactic re-irradiation.
  • PURPOSE: To assess the effectiveness of re-irradiation in recurrent low-grade gliomas (LGG).
  • At primary diagnosis of the tumor, the histology was grade II astrocytoma, oligodendroglioma or oligoastrocytoma.
  • [MeSH-major] Brain Neoplasms / radiotherapy. Dose Fractionation. Glioma / radiotherapy. Neoplasm Recurrence, Local / radiotherapy. Radiotherapy / methods

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  • (PMID = 15735924.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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92. Haapasalo J, Mennander A, Helen P, Haapasalo H, Isola J: Ultrarapid Ki-67 immunostaining in frozen section interpretation of gliomas. J Clin Pathol; 2005 Mar;58(3):263-8
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  • BACKGROUND: Astrocytic tumours, the most common gliomas, are often classified intraoperatively using standard morphological staining.
  • Thirty four pilocytic and diffuse astrocytomas were immunostained by rapid Ki-67 and results were compared with corresponding MIB-1 staining, histological grading, and prognosis.
  • A comparison of Ultrarapid-Ki67 and MIB-1 immunostaining of paraffin wax sections showed almost identical quantitative correlation in astrocytic gliomas (r = 0.916; p<0.001).
  • The Ultrarapid-Ki67 indices (percentage of positive cells) of low grade (I/II) astrocytomas ranged from 0% to 6.1%, whereas those of representative high grade (III/IV) tumours were significantly higher (range, 5.6-45%; p<0.001).
  • The best prognostic cutoff point for Ultrarapid-Ki67 was 7.5%, which divided diffuse grade II-IV astrocytomas into significantly differing subsets (p = 0.0008).
  • CONCLUSION: Ultrarapid-Ki67 immunostaining is a useful adjunct to morphological diagnosis and grading of astrocytic tumours, and as a fast test (approximately 10 minutes for staining plus three to four minutes for scoring), it could be used in routine intraoperative diagnosis of gliomas and other neoplastic diseases.
  • [MeSH-major] Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Ki-67 Antigen / analysis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Antibodies, Antinuclear / immunology. Antibodies, Monoclonal / immunology. Child. Child, Preschool. Diagnosis, Differential. Female. Frozen Sections. Humans. Immunoenzyme Techniques. Intraoperative Care / methods. Male. Middle Aged. Neoplasm Proteins / analysis. Prognosis. Time Factors

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  • (PMID = 15735157.001).
  • [ISSN] 0021-9746
  • [Journal-full-title] Journal of clinical pathology
  • [ISO-abbreviation] J. Clin. Pathol.
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antibodies, Antinuclear; 0 / Antibodies, Monoclonal; 0 / Ki-67 Antigen; 0 / MIB-1 antibody; 0 / Neoplasm Proteins
  • [Other-IDs] NLM/ PMC1770597
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93. Nakasu S, Fukami T, Jito J, Matsuda M: Prognostic significance of loss of O6-methylguanine-DNA methyltransferase expression in supratentorial diffuse low-grade astrocytoma. Surg Neurol; 2007 Dec;68(6):603-8; discussion 608-9
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  • [Title] Prognostic significance of loss of O6-methylguanine-DNA methyltransferase expression in supratentorial diffuse low-grade astrocytoma.
  • If loss of function in MGMT is related to tumor progression, the immunohistochemical method may predict the malignant change of gliomas.
  • METHOD: We investigated the expression of MGMT by immunohistochemical method in 28 supratentorial hemispheric diffuse astrocytomas.
  • RESULTS: There were 19 MGMT-positive and 9 MGMT-negative astrocytomas.
  • Their rates of malignant transformation at 5 years were 12.3% and 51.4%, respectively.
  • Age, sex, extent of surgery, MIB-1 value, and radiation therapy at initial treatment did not correlate with the malignant progression.
  • Two long-term survivors with MGMT-negative tumor responded well to nitrosourea-based chemotherapy and lived more than 8 years after malignant transformation.
  • CONCLUSION: Although the status of MGMT did not affect the overall survival, immunohistochemical evaluation of MGMT expression may be a good marker for tumor progression.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Biomarkers, Tumor / metabolism. O(6)-Methylguanine-DNA Methyltransferase / metabolism. Supratentorial Neoplasms / metabolism. Supratentorial Neoplasms / pathology

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  • (PMID = 17825378.001).
  • [ISSN] 0090-3019
  • [Journal-full-title] Surgical neurology
  • [ISO-abbreviation] Surg Neurol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase
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94. Opstad KS, Bell BA, Griffiths JR, Howe FA: An investigation of human brain tumour lipids by high-resolution magic angle spinning 1H MRS and histological analysis. NMR Biomed; 2008 Aug;21(7):677-85
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  • Presaturation spectra were acquired from 24 adult human astrocytoma biopsy samples of grades II (8), III (2) and IV (14) using HRMAS 1H MRS and quantified using LCModel to determine lipid concentrations.
  • Droplet sizes ranged from 1 to 10 microm in diameter, and the size distribution was constant independent of tumour grade.

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  • [Copyright] Copyright (c) 2008 John Wiley & Sons, Ltd.
  • (PMID = 18186027.001).
  • [ISSN] 0952-3480
  • [Journal-full-title] NMR in biomedicine
  • [ISO-abbreviation] NMR Biomed
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / C1459/A2592
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Lipids; 0 / Oxazines; P476F1L81G / nile red
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95. Gravendeel LA, Kloosterhof NK, Bralten LB, van Marion R, Dubbink HJ, Dinjens W, Bleeker FE, Hoogenraad CC, Michiels E, Kros JM, van den Bent M, Smitt PA, French PJ: Segregation of non-p.R132H mutations in IDH1 in distinct molecular subtypes of glioma. Hum Mutat; 2010 Mar;31(3):E1186-99
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  • IDH1 mutations were most frequently observed in low grade gliomas with c.395G>A (p.R132H) representing >90% of all IDH1 mutations.
  • Histologically, they occur sporadically in classic oligodendrogliomas and at significantly higher frequency in other grade II and III gliomas.
  • [MeSH-minor] Astrocytoma / genetics. Chromosomes, Human, Pair 1. Chromosomes, Human, Pair 19. Cohort Studies. Gene Expression Profiling. Humans. In Situ Hybridization, Fluorescence. Loss of Heterozygosity. Oligodendroglioma / genetics. Treatment Outcome. Tumor Suppressor Protein p53 / metabolism

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  • [Copyright] (c) 2010 Wiley-Liss, Inc.
  • (PMID = 20077503.001).
  • [ISSN] 1098-1004
  • [Journal-full-title] Human mutation
  • [ISO-abbreviation] Hum. Mutat.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Tumor Suppressor Protein p53; EC 1.1.1.41 / Isocitrate Dehydrogenase; EC 1.1.1.42. / IDH1 protein, human
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96. Yoshino A, Katayama Y, Yokoyama T, Watanabe T, Ogino A, Ota T, Komine C, Fukushima T, Kusama K: Therapeutic implications of interferon regulatory factor (IRF)-1 and IRF-2 in diffusely infiltrating astrocytomas (DIA): response to interferon (IFN)-beta in glioblastoma cells and prognostic value for DIA. J Neurooncol; 2005 Sep;74(3):249-60
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  • [Title] Therapeutic implications of interferon regulatory factor (IRF)-1 and IRF-2 in diffusely infiltrating astrocytomas (DIA): response to interferon (IFN)-beta in glioblastoma cells and prognostic value for DIA.
  • Furthermore, we attempted to determine whether or not IRF-1 and IRF-2 act as additional prognostic indicators in diffusely infiltrating astrocytomas (DIA).
  • Furthermore, we assessed the expression of type I IFN receptor, IRF-1, and IRF-2 using immunohistochemical techniques in 63 DIA (15 of WHO grade II, 18 of grade III, and 30 of grade IV), and analyzed their impact on prognosis.
  • On the other hand, the IRF-1 LI and IRF-1/IRF-2 LI ratio were greater in low-grade DAI, and were negatively correlated with the histopathological grade in DIA (P=0.017 and P=0.001, respectively).
  • However, the relation was not statistically significant when only patients with high-grade DIA were assessed.
  • [MeSH-major] Astrocytoma / drug therapy. Brain Neoplasms / drug therapy. Glioblastoma / drug therapy. Interferon Regulatory Factor-1 / metabolism. Interferon Regulatory Factor-2 / metabolism. Interferon-beta / pharmacology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Antineoplastic Agents / pharmacology. Apoptosis / drug effects. Apoptosis / physiology. Blotting, Western. Caspases / drug effects. Caspases / metabolism. Cell Line, Tumor. Cell Survival / drug effects. Dose-Response Relationship, Drug. Enzyme Activation / drug effects. Enzyme Activation / physiology. Female. Humans. Immunohistochemistry. Male. Middle Aged. Prognosis. Receptors, Interferon / metabolism