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1. Koga T, Morita A, Maruyama K, Tanaka M, Ino Y, Shibahara J, Louis DN, Reifenberger G, Itami J, Hara R, Saito N, Todo T: Long-term control of disseminated pleomorphic xanthoastrocytoma with anaplastic features by means of stereotactic irradiation. Neuro Oncol; 2009 Aug;11(4):446-51
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  • Pleomorphic xanthoastrocytoma (PXA) is a rare astrocytic neoplasm of the brain.
  • No previous reports have demonstrated consistent efficacy of adjuvant radiotherapy or chemotherapy for this disease.
  • A 47-year-old woman presented with an epileptic seizure due to a large tumor in the right frontal lobe.
  • The tumor was resected and diagnosed as PXA with anaplastic features.
  • Two years later, the patient developed a tumor nodule in the cervical spinal cord that histologically corresponded to a small-cell glioma with high cellularity and prominent MIB-1 (mindbomb homolog 1) labeling.
  • [MeSH-major] Astrocytoma / surgery. Brain Neoplasms / surgery. Radiosurgery
  • [MeSH-minor] Biomarkers, Tumor / metabolism. Female. Humans. Middle Aged. Prognosis

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  • (PMID = 19164434.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
  • [Other-IDs] NLM/ PMC2743225
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2. Novillo López ME, Gómez-Ibáñez A, Rosenfeld M, Dalmau J: [Gliomatosis cerebri: review of 22 patients]. Neurologia; 2010 Apr;25(3):168-73
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  • [Transliterated title] Gliomatosis cerebral: estudio de 22 pacientes.
  • INTRODUCTION: gliomatosis cerebri is a diffuse astrocytic neoplasm that involves more than two lobes of the brain.
  • RESULTS: we identified 17 men and 5 women (median age 54 years) seen in a Division of Neuro-oncology over a 6 year period.
  • The most frequent pathological findings were grade III astrocytoma (36.4%), grade II astrocytoma (22.7%), and grade IV astrocytoma (18.3%).
  • In this study de median survival of patients who received treatment was similar to that reported in series of glioblastoma multiforme.

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  • [Copyright] Published by Elservier España, S.L. All rights reserved.
  • (PMID = 20492863.001).
  • [ISSN] 0213-4853
  • [Journal-full-title] Neurología (Barcelona, Spain)
  • [ISO-abbreviation] Neurologia
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Spain
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3. Ritch PS, Carroll SL, Sontheimer H: Neuregulin-1 enhances survival of human astrocytic glioma cells. Glia; 2005 Aug 15;51(3):217-28
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  • [Title] Neuregulin-1 enhances survival of human astrocytic glioma cells.
  • Malignant astrocytic gliomas, referred to as astrocytomas, represent the most commonly diagnosed adult primary brain tumor.
  • Tumor expansion into the healthy surrounding brain tissue produces severe and often fatal consequences.
  • In this study, we examine the potential for the neuregulin-1/erbB receptor signaling cascade to contribute to this process by modulating glioma cell growth.
  • Using antibodies specific for the erbB receptors, we demonstrate the expression patterns for the erbB2, erbB3, and erbB4 receptors in human glioma biopsy samples.
  • We then verify receptor expression in a panel of human glioma cell lines.
  • Next, we investigate the status of the erbB2 and erbB3 receptors in the human glioma cell lines and find that they are constitutively tyrosine-phosphorylated and heterodimerized.
  • Furthermore, we show that exogenous activation of erbB2 and erbB3 receptors in U251 glioma cells by recombinant Nrg-1beta results in enhanced glioma cell growth under conditions of serum-deprivation.
  • Moreover, Nrg-1beta activates an inhibitor of apoptosis, Akt, implying a possible role for this kinase in mediating Nrg-1beta effects in gliomas.
  • This data suggests that glioma cells may use autocrine or paracrine neuregulin-1/erbB receptor signaling to enhance cell survival under conditions where growth would otherwise be limited.

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  • (PMID = 15812817.001).
  • [ISSN] 0894-1491
  • [Journal-full-title] Glia
  • [ISO-abbreviation] Glia
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P50 CA097247-010003; United States / NINDS NIH HHS / NS / R01 NS036692-05A1; United States / NCI NIH HHS / CA / CA097247-010003; United States / NCI NIH HHS / CA / P50 CA097247; United States / NCI NIH HHS / CA / P50CA97247; United States / NINDS NIH HHS / NS / NS036692-05A1; United States / NINDS NIH HHS / NS / R01 NS036692; United States / NINDS NIH HHS / NS / R01-NS36692; United States / NINDS NIH HHS / NS / R01 NS036692-06; United States / NINDS NIH HHS / NS / NS036692-06
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Neuregulin-1; 0 / Protein Subunits; 0 / Proto-Oncogene Proteins; 0 / Recombinant Fusion Proteins; EC 2.7.1.- / Phosphatidylinositol 3-Kinases; EC 2.7.10.1 / ERBB4 protein, human; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 2.7.10.1 / Receptor, ErbB-2; EC 2.7.10.1 / Receptor, ErbB-3; EC 2.7.10.1 / Receptor, ErbB-4; EC 2.7.11.1 / AKT1 protein, human; EC 2.7.11.1 / Protein-Serine-Threonine Kinases; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt
  • [Other-IDs] NLM/ NIHMS25075; NLM/ PMC2548407
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4. Götze S, Wolter M, Reifenberger G, Müller O, Sievers S: Frequent promoter hypermethylation of Wnt pathway inhibitor genes in malignant astrocytic gliomas. Int J Cancer; 2010 Jun 1;126(11):2584-93
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Frequent promoter hypermethylation of Wnt pathway inhibitor genes in malignant astrocytic gliomas.
  • Recent studies suggested a role of Wnt signaling in gliomas, the most common primary brain tumors.
  • We investigated 70 gliomas of different malignancy grades for promoter hypermethylation in 8 genes encoding members of the secreted frizzled-related protein (SFRP1, SFRP2, SFRP4, SFRP5), dickkopf (DKK1, DKK3) and naked (NKD1, NKD2) families of Wnt pathway inhibitors.
  • While none of the tumors carried CTNNB1 mutations, we found frequent promoter hypermethylation of Wnt pathway inhibitor genes, with at least one of these genes being hypermethylated in 6 of 16 diffuse astrocytomas (38%), 4 of 14 anaplastic astrocytomas (29%), 7 of 10 secondary glioblastomas (70%) and 23 of 30 primary glioblastomas (77%).
  • Furthermore, SFRP1-hypermethylated gliomas showed significantly lower expression of the respective transcripts when compared with unmethylated tumors.
  • Taken together, our results suggest an important role of epigenetic silencing of Wnt pathway inhibitor genes in astrocytic gliomas, in particular, in glioblastomas, with distinct patterns of hypermethylated genes distinguishing primary from secondary glioblastomas.
  • [MeSH-major] Astrocytoma / genetics. DNA Methylation / genetics. Promoter Regions, Genetic. Wnt Proteins / genetics
  • [MeSH-minor] Carrier Proteins / genetics. Cell Line, Tumor. DNA Mutational Analysis. DNA, Neoplasm / genetics. DNA, Neoplasm / isolation & purification. Exons. Eye Proteins / genetics. Glioblastoma / genetics. Glioblastoma / secondary. Glioma / genetics. Glioma / pathology. Humans. Intercellular Signaling Peptides and Proteins / genetics. Membrane Proteins / genetics. Mutation. Polymerase Chain Reaction. Proto-Oncogene Proteins / genetics. beta Catenin / genetics

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  • (PMID = 19847810.001).
  • [ISSN] 1097-0215
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / CTNNB1 protein, human; 0 / Carrier Proteins; 0 / DNA, Neoplasm; 0 / Eye Proteins; 0 / Intercellular Signaling Peptides and Proteins; 0 / Membrane Proteins; 0 / NKD1 protein, human; 0 / NKD2 protein, human; 0 / Proto-Oncogene Proteins; 0 / SFRP1 protein, human; 0 / SFRP2 protein, human; 0 / SFRP4 protein, human; 0 / SFRP5 protein, human; 0 / Wnt Proteins; 0 / beta Catenin
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5. Furnari FB, Fenton T, Bachoo RM, Mukasa A, Stommel JM, Stegh A, Hahn WC, Ligon KL, Louis DN, Brennan C, Chin L, DePinho RA, Cavenee WK: Malignant astrocytic glioma: genetics, biology, and paths to treatment. Genes Dev; 2007 Nov 1;21(21):2683-710
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Malignant astrocytic glioma: genetics, biology, and paths to treatment.
  • Malignant astrocytic gliomas such as glioblastoma are the most common and lethal intracranial tumors.
  • This progress is fueling new opportunities for understanding the fundamental basis for development of this devastating disease and also novel therapies that, for the first time, portend meaningful clinical responses.
  • [MeSH-major] Astrocytoma / genetics. Astrocytoma / pathology. Astrocytoma / therapy. Brain Neoplasms / genetics. Brain Neoplasms / pathology. Brain Neoplasms / therapy
  • [MeSH-minor] Animals. Animals, Genetically Modified. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Disease Models, Animal. Gene Regulatory Networks. Humans. Models, Biological. Necrosis / chemically induced. Neoplasm Invasiveness. Neoplasm Staging. Neovascularization, Pathologic / drug therapy

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  • (PMID = 17974913.001).
  • [ISSN] 0890-9369
  • [Journal-full-title] Genes & development
  • [ISO-abbreviation] Genes Dev.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA099041; United States / NCI NIH HHS / CA / CA95616
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Review
  • [Publication-country] United States
  • [Number-of-references] 306
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6. Shen CF, Yuan XR, Qin ZQ: [Clinical significance of the expression of the RCAS1 mRNA and protein in astrocytic tumors]. Zhong Nan Da Xue Xue Bao Yi Xue Ban; 2007 Oct;32(5):836-9
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  • [Title] [Clinical significance of the expression of the RCAS1 mRNA and protein in astrocytic tumors].
  • OBJECTIVE: To determine the mRNA and protein expressions of RCAS1 in human astrocytic tumors, and to explore the relation between their expression and the genesis and development of tumor.
  • METHODS: The RCAS1 mRNA expression in human astrocytic tumors was evaluated by RT-PCR, and the RCAS1 protein expression was studied by immunohistochemical staining.
  • RESULTS: The quantities of RCAS1 mRNA expression between diffusive astrocytoma(Grade II) and anaplastic astrocytoma(Grade III), anaplastic astrocytoma and glioblastoma(Grade IV) were significantly different(P<0.05), while the expression scores of RCAS1 protein were different only between the anaplastic astrocytoma and glioblastoma(P<0.01).
  • RCAS1 protein expression was positively correlated with the tumor grade (r=0.573,P<0.001).
  • CONCLUSION: The RCAS1 expression is related to the histological grade of astrocytic tumor.
  • In astrocytic tumors, the RCAS1 expression is regulated transcriptionally and posttranscriptionally.
  • [MeSH-major] Antigens, Neoplasm / metabolism. Astrocytoma / metabolism. Brain Neoplasms / metabolism

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  • (PMID = 18007080.001).
  • [ISSN] 1672-7347
  • [Journal-full-title] Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences
  • [ISO-abbreviation] Zhong Nan Da Xue Xue Bao Yi Xue Ban
  • [Language] chi
  • [Publication-type] Controlled Clinical Trial; English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / EBAG9 protein, human; 0 / RNA, Messenger
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7. Uno M, Oba-Shinjo SM, Wakamatsu A, Huang N, Avancini Ferreira Alves V, Rosemberg S, Pires de Aguiar PH, Leite C, Miura F, Marino J R, Scaff M, Nagahashi-Marie SK: Association of TP53 mutation, p53 overexpression, and p53 codon 72 polymorphism with susceptibility to apoptosis in adult patients with diffuse astrocytomas. Int J Biol Markers; 2006 Jan - Mar;21(1):50-57

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Association of TP53 mutation, p53 overexpression, and p53 codon 72 polymorphism with susceptibility to apoptosis in adult patients with diffuse astrocytomas.
  • : Clarification of TP53 alterations is important to understand the mechanisms underlying the development of diffuse astrocytomas.
  • The aim of this study was to analyze the possible association of TP53 mutation, p53 overexpression, and p53 codon 72 polymorphism with susceptibility to apoptosis in adult Brazilian patients with diffuse astrocytomas.
  • We analyzed 56 surgical specimens of diffuse astrocytomas for alterations of TP53, using polymerase chain reaction single-strand conformation polymorphism (PCR-SSCP) direct sequencing. p53 and cleaved caspase 3 protein expression were assessed by immunohistochemistry.
  • We concluded that clarification of the TP53 alterations allows a better understanding of the mechanisms involved in the progression of diffuse astrocytomas, and the allele status at codon 72 was not associated with apoptosis in these tumors.

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  • (PMID = 28207094.001).
  • [ISSN] 1724-6008
  • [Journal-full-title] The International journal of biological markers
  • [ISO-abbreviation] Int. J. Biol. Markers
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Italy
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8. Mano Y, Kanamori M, Sonoda Y, Kumabe T, Watanabe M, Tominaga T: [A case report of cerebellar pleomorphic xanthoastrocytoma]. No Shinkei Geka; 2009 Jun;37(6):586-90
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  • Pleomorphic xanthoastrocytoma (PXA) is a type of astrocytic neoplasm, classified as WHO grade II, which mainly occurs supratentorially, and rarely infratentorially.
  • [MeSH-major] Astrocytoma / pathology. Cerebellar Neoplasms / pathology

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  • (PMID = 19522287.001).
  • [ISSN] 0301-2603
  • [Journal-full-title] No shinkei geka. Neurological surgery
  • [ISO-abbreviation] No Shinkei Geka
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Japan
  • [Number-of-references] 19
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9. Le BH, Sandusky M: 81 year-old male with confusion and weakness. Brain Pathol; 2010 Jul;20(4):867-70
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  • Glioblastoma, the most common primary brain tumor, is a highly infiltrative, malignant astrocytic neoplasm that demonstrates a wide spectrum of morphologic heterogeneity.
  • Cases with a primitive neuroectodermal tumor (PNET)-like component are rare, but are being increasingly recognized and studied.
  • Recently, data from the largest case series studying malignant gliomas with a PNET-like component suggest that the primitive component likely arises from the malignant glial component.

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  • (PMID = 20626749.001).
  • [ISSN] 1750-3639
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Letter
  • [Publication-country] Switzerland
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10. Laczko R, Szauter KM, Jansen MK, Hollosi P, Muranyi M, Molnar J, Fong KS, Hinek A, Csiszar K: Active lysyl oxidase (LOX) correlates with focal adhesion kinase (FAK)/paxillin activation and migration in invasive astrocytes. Neuropathol Appl Neurobiol; 2007 Dec;33(6):631-43
The Lens. Cited by Patents in .

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • We have recently reported the ECM enzyme, lysyl oxidase (LOX), in the central nervous system and observed up-regulation of LOX in anaplastic astrocytoma cells.
  • Results demonstrate that increased expression and activity of LOX positively correlated with invasive phenotype of malignant astrocytoma cell lines.
  • Immunohistochemistry detected increased LOX within tumour cells and ECM in grade I-IV astrocytic neoplasm compared with normal brain and coincidence of increased LOX with the loss of glial fibrillary acidic protein in higher-grade tumours.
  • [MeSH-minor] Astrocytoma / enzymology. Blotting, Western. Cell Line, Tumor. Cell Movement / physiology. Humans. Immunohistochemistry. Neoplasm Invasiveness. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 17931358.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Grant] United States / NIAMS NIH HHS / AR / AR47713; United States / NCRR NIH HHS / RR / G12RR003096
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Paxillin; EC 1.4.3.13 / Protein-Lysine 6-Oxidase; EC 2.7.10.2 / Focal Adhesion Protein-Tyrosine Kinases
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16. Karrasch M, Gillespie GY, Braz E, Liechty PG, Nabors LB, Lakeman AD, Palmer CA, Parker JN, Whitley RJ, Markert JM: Treatment of recurrent malignant glioma with G207, a genetically engineered herpes simplex virus-1, followed by irradiation: Phase I study results. J Clin Oncol; 2009 May 20;27(15_suppl):2042

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Treatment of recurrent malignant glioma with G207, a genetically engineered herpes simplex virus-1, followed by irradiation: Phase I study results.
  • Safety and efficacy of intracerebral inoculations of G207 to patients suffering from recurrent malignant gliomas have been demonstrated in previous clinical trials.
  • METHODS: In this phase I clinical trial, a total of 1 x 10<sup>9</sup> plaque forming units (pfu) G207 were administered by five stereotactic injections of 0.2 mL each into regions of recurrent malignant glioma defined by MRI, followed by focal radiation therapy 24 hours post injection.
  • Included patients suffered from inoperable pathologically proven recurrent glioblastoma multiforme (GBM) or anaplastic astrocytoma (AA) which was progressive despite radiotherapy or chemotherapy and failed external beam radiotherapy > 5 Gray prior to study enrolment.
  • The 2 patients with initial PR (1xGBM, 1xAA) were re-treated with G207/Irradiation at time point of tumor recurrence, showing PR one month after re-treatment again.
  • Within persistent areas of tumor, HSV staining was present by using a polyclonal antibody for HSV, indicating intratumoral G207 replication (proof of concept).

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  • (PMID = 27964649.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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17. Simonelli M, Banna G, Navarria P, Di Ieva A, Zucali P, De Vincenzo F, Gaetani P, Condorelli R, Rodriguez Y Baena R, Scorsetti M, Santoro A: Addition of temozolomide to radiotherapy for treatment of newly diagnosed anaplastic gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13037

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Addition of temozolomide to radiotherapy for treatment of newly diagnosed anaplastic gliomas.
  • : e13037 Background: Anaplastic astrocytoma (AA), oligodendroglioma (AOD), and oligoastrocytoma (AOA) are rare tumors showing variable outcome due to their histological heterogeneity and different chemo- and radio-sensitivity.
  • Currently, the addition of chemotherapy to radiotherapy (RT) for newly diagnosed anaplastic gliomas is not sustained by available data.
  • We evaluated the addition of temozolomide (TMZ) to radiotherapy for newly diagnosed anaplastic gliomas in terms of tolerability, progression-free survival (PFS), and overall survival (OS).
  • METHODS: Since September 2004, following initial surgery, patients (pts) with histologically confirmed anaplastic glioma, Karnofsky Performance Status (KPS) ≥40, adequate organ function, no prior chemotherapy, were treated with RT to limited fields once daily at 2 Gy per fraction, 5 days a week, for a total of 60 Gy with concomitant TMZ (75 mg/m<sup>2</sup> for 7 days a week) followed by 6 cycles of maintenance TMZ at 200 mg/m<sup>2</sup> on days 1-5 every 28 days.
  • Nine pts (32%) underwent tumor complete resection, 10 partial resection (36%), and 9 (32%) tumor biopsy.
  • CONCLUSIONS: The addition of temozolomide to radiation therapy for newly diagnosed anaplastic gliomas is well tolerated and seems active; efficacy needs confirmation in a randomized clinical trial.

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  • (PMID = 27962859.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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18. Abacioglu MU, Caglar HB, Yumuk PF, Akgun Z, Atasoy BM, Sengoz M: Efficacy of protracted dose-dense temozolomide (TMZ) in patients with progressive high-grade glioma. J Clin Oncol; 2009 May 20;27(15_suppl):e13018

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Efficacy of protracted dose-dense temozolomide (TMZ) in patients with progressive high-grade glioma.
  • : e13018 Background: The study was aimed to evaluate the efficacy of TMZ on a protracted dose-dense schedule after standard 5-day TMZ regimen in patients with progressive high-grade glioma.
  • METHODS: In this phase II prospective study, patients who had progression on standard 5-day TMZ for recurrence (group 1) or recurrence after concurrent radiotherapy+TMZ and ≥ 2 cycles of adjuvant TMZ (group 2) for high-grade glioma received TMZ 100 mg/m2× 21 q28 days until progression according to MacDonald's criteria.
  • The histopathology was glioblastoma in 18 and grade 3 glioma (anaplastic astrocytoma, anaplastic oligoastrocytoma or anaplastic oligodendroglioma) in 7.
  • The best response during treatment was partial response in 2 (8%), stable disease in 9 (36%), and progression in 9 (36%) out of 20 patients assessed.
  • CONCLUSIONS: Protracted dose-dense TMZ after 5-day schedule for recurrent or progressive disease has modest efficacy with tolerable toxicity.

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  • (PMID = 27962826.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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19. Tosoni A, Franceschi E, Ermani M, Bacci A, Volpin L, Lombardo L, Ravenna G, Pinna G, Poggi R, Brandes AA: MGMT methylation status as a prognostic factor in anaplastic astrocytomas. J Clin Oncol; 2009 May 20;27(15_suppl):2052

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] MGMT methylation status as a prognostic factor in anaplastic astrocytomas.
  • However, further data on the epigenetic feature are needed before its role in rare diseases such as anaplastic astrocytomas (AA) can be established.

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  • (PMID = 27964674.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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20. Desjardins A, Reardon DA, Gururangan S, Peters K, Threatt S, Friedman A, Friedman H, Vredenburgh J: Phase I trial combining SCH 66336 to temozolomide (TMZ) for patients with grade 3 or 4 malignant gliomas (MG). J Clin Oncol; 2009 May 20;27(15_suppl):e13004

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase I trial combining SCH 66336 to temozolomide (TMZ) for patients with grade 3 or 4 malignant gliomas (MG).
  • METHODS: Eligibility included: adult patients with stable or recurrent MG (GBM, anaplastic astrocytoma [AA], anaplastic oligodendroglioma [AO]) previously treated with radiation therapy (RT) and with or without chemotherapy; interval of at least two weeks between prior RT, or four weeks between prior chemotherapy; Karnofsky ≥ 60%; and adequate hematologic, renal and liver function.
  • Radiographic evaluation reported: 2 partial responses, 14 stable disease for at least 4 cycles, and 11 disease progression after either the first or second cycle.

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  • (PMID = 27962751.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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21. Franceschi E, Tosoni A, Ermani M, Spagnolli F, La Torre L, Galzio RJ, Pozzati E, Talacchi A, Benevento F, Brandes AA: Impact of MGMT methylation status on 1p/19q intact anaplastic gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13003

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Impact of MGMT methylation status on 1p/19q intact anaplastic gliomas.
  • : e13003 Background: Chromosomes 1p/19q codeletion has been recognized as a prognostic and predictive factor in patients (pts) with grade 3 gliomas.
  • Non-codeleted (intact) anaplastic oligodendroglioma showed a survival comparable to that usually observed in pts with anaplastic astrocytomas; MGMT methylation status, moreover, has been found to be a prognostic factor in glioblastoma and anaplastic gliomas (AG).
  • Histology was anaplastic oligodendroglioma in 17 pts, anaplastic oligoastrocytoma in 20 pts, and anaplastic astrocytoma in 30 pts; all these pts were 1p19q intact and received surgery, RT, and CT.

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  • (PMID = 27962754.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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22. Witt H, Korshunov A, Remke M, Janzarik WG, Gnekow A, Scheurlen W, Kulozik AE, Lichter P, Pfister S: DNA methylation pattern of brain stem pilocytic astrocytomas in children. J Clin Oncol; 2009 May 20;27(15_suppl):10021

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] DNA methylation pattern of brain stem pilocytic astrocytomas in children.
  • : 10021 Background: Pilocytic astrocytoma (WHO grade I) comprises the most frequent brain tumor in childhood.
  • METHODS: To identify novel genes involved in astrocytoma pathogenesis, we performed a genome-wide DNA methylation analysis of 78 pilocytic astrocytoma samples from different tumor locations (diencephalic, cerebral, cerebellar, brain stem).
  • Two CpG sites were analyzed for each of a total of 14.000 promoters per sample.
  • Moreover, from 14 tumors clustering together with the brain stem tumors, 5 patients experienced disease recurrence (38%) as opposed to 20% in the remaining group.
  • Genes contained in the signature most interestingly included three homeobox family genes (HOXB1, HOXD3, and HOXD4), and NES, a tumor stem cell marker.
  • CONCLUSIONS: These data suggest that brain stem pilocytic astrocytomas display biologic features different from most tumors of other locations and share a methylation signature with tumors prone to disease recurrence from other locations.
  • We provide first evidence for a role of differentially methylated homeobox family genes in the pathogenesis of pilocytic astrocytoma.

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  • (PMID = 27962622.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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23. Ochsenbein AF, Schubert AD, Vassella E, Mariani L: Quantitative analysis of 0&lt;sup&gt;6&lt;/sup&gt;-methylguanine-DNA methyltransferase (MGMT) promoter methylation in patients with low-grade gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):2069

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Quantitative analysis of 0<sup>6</sup>-methylguanine-DNA methyltransferase (MGMT) promoter methylation in patients with low-grade gliomas.
  • : 2069 Background: Loss of heterozygosity (LOH) on the chromosomes 1p and 19q is associated with sensitivity to alkylating agents like temozolomide (TMZ) in patients with low-grade gliomas; whether methylation of the MGMT-promoter, a predictive factor in glioblastoma patients, also correlates with tumor response to TMZ in low-grade gliomas is unclear.
  • METHODS: We performed a retrospective analysis of patients with histologically verified low-grade gliomas (WHO Grade II) who were treated with TMZ for tumor progression at our hospital between November 1999 and November 2007.
  • Objective tumor response was assessed by MRI at 6-month intervals.
  • LOH of microsatellite markers on chromosomes 1p and 19q was determined by polymerase chain reaction (PCR) amplification of the matched pairs of blood and tumor DNA.
  • Seven patients had prior surgical resection of the tumor.
  • Histological classification revealed 10 oligodendrogliomas, 7 oligoastrocytomas, and 5 astrocytomas.
  • CONCLUSIONS: Quantitative methylation-specific PCR of the MGMT promoter correlates with radiological response to chemotherapy with temozolomide in WHO grade II gliomas.

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  • (PMID = 27964685.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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24. Herndon J 2nd, Vredenburgh J, Reardon D, Desjardins A, Peters K, Gururangan S, Norfleet J, Friedman A, Bigner D, Friedman HS: Phase I trial of vendetanib and oral etoposide for recurrent malignant gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13016

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Phase I trial of vendetanib and oral etoposide for recurrent malignant gliomas.
  • : e13016 Background: Recurrent malignant gliomas have a poor prognosis, with a median survival of 6-15 months, with grade 4 glioblastomas more aggressive than grade 3 anaplastic astrocytomas or oligodendrogliomas.
  • Vascular endothelial growth factor (VEGF) and epidermal growth factor (EGF) are critically important in glioma biology.
  • We report a phase I trial of vandetanib in combination with oral etoposide for recurrent malignant glioma.
  • METHODS: Patients with histologically documented recurrent grade 3 or grade 4 malignant glioma were eligible.

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  • (PMID = 27962830.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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25. Merrell RT, Lachance DH, Anderson SK: Seizures in patients with glioma treated with phenytoin and levetiracetam. J Clin Oncol; 2009 May 20;27(15_suppl):e13020

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Seizures in patients with glioma treated with phenytoin and levetiracetam.
  • : e13020 Background: Seizures are common in patients with glioma.
  • We compare seizure outcomes and side effects in patients with glioma treated with phenytoin and levetiracetam monotherapy.
  • METHODS: Retrospective analysis of consecutive patients with glioma.
  • RESULTS: 76 patients (34 female) with pathologically proven glioma and seizures were identified, 25 treated with phenytoin and 51 with levetiracetam.
  • 64% had grade 4 astrocytoma.
  • When adjusting for age, gender, type of seizure, type of glioma, and dosage using univariate and multivariate models there were no differences between the treatment groups and none of these covariates were statistically significant for explaining the second seizure rates between treatment groups (all p values >0.05).
  • CONCLUSIONS: In this study, glioma patients treated with levetiracetam had similar seizure control as patients treated with phenytoin.
  • Levetiracetam is a safe, effective, and preferred alternative for seizure management in patients with glioma.

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  • (PMID = 27962817.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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26. Rudnick JD, Phuphanich S, Chu R, Mazer M, Wang H, Serrano N, Francisco M, Black KL, Wheeler C, Yu J: A phase I trial of surgical resection with biodegradable carmustine (BCNU) wafer placement followed by vaccination with dendritic cells pulsed with tumor lysate for patients with malignant glioma. J Clin Oncol; 2009 May 20;27(15_suppl):2033

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] A phase I trial of surgical resection with biodegradable carmustine (BCNU) wafer placement followed by vaccination with dendritic cells pulsed with tumor lysate for patients with malignant glioma.
  • : 2033 Background: Our prior immunotherapy trials demonstrated efficacy in generating a tumor specific immune response in malignant glioma and the potential for high tumor-specific toxicity and sustained tumoricidal activity.
  • METHODS: We exploited this synergistic effect to maintain a cytotoxic environment around the tumor milieu.
  • Patients with high-grade glioma were eligible after maximal resection with biodegradable carmustine (BCNU) wafer placement.
  • Screening leukapheresis is used to isolate mononuclear cells which are differentiated into dendritic cells, pulsed with tumor lysate, and then 3 intradermal vaccines are administered at 2-week intervals.
  • The histology included 3 newly diagnosed glioblastoma multiforme (GBM), 8 recurrent GBM, 2 newly diagnosed anaplastic astrocytoma (AA), and 2 recurrent AA.
  • A stable disease interval of 13 to 90 weeks was observed for patients who received vaccine.
  • The 3 newly diagnosed GBM patients have stable disease (18 to 71 weeks).

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  • (PMID = 27964627.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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27. Potthast L, Chowdhary S, Pan E, Yu D, Zhu W, Brem S: The infiltrative, diffuse pattern of recurrence in patients with malignant gliomas treated with bevacizumab. J Clin Oncol; 2009 May 20;27(15_suppl):2057

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] The infiltrative, diffuse pattern of recurrence in patients with malignant gliomas treated with bevacizumab.
  • : 2057 Background: There is no standard of care for recurrent gliomas; however, bevacizumab is often used as a salvage chemotherapy regimen.
  • A diffuse, infiltrative pattern of recurrence, as evidenced by MR imaging, was seen manifesting as multifocal disease or presumed CSF dissemination with subependymal spread.
  • METHODS: We conducted a retrospective analysis of 40 recurrent glioma patients followed at Moffitt Cancer Center from September 2006 through December 2008 treated with bevacizumab alone or in combination with irinotecan.
  • Histologies included glioblastoma (GB), anaplastic astrocytomas (AA), anaplastic oligodendrogliomas (AO), anaplastic oligoastrocytomas (AOA), and low-grade astrocytomas.
  • CONCLUSIONS: There appears to be an increase in a diffuse, infiltrative pattern of recurrence among recurrent glioma patients treated with bevacizumab as a salvage regimen.
  • It is unclear why the disparity among this subset of patients occurs, however, we hypothesize that this may once again highlight the distinct tumor biology among young glioma patients.
  • The impact of this observation on clinical decision making on whether to utilize bevacizumab in young recurrent glioma patients warrants further investigation.

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  • (PMID = 27964663.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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28. Lin Y, Jiang T, Li G: MGMT expression in low-grade gliomas. J Clin Oncol; 2009 May 20;27(15_suppl):e13001

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] MGMT expression in low-grade gliomas.
  • : e13001 Background: To evaluate the expression of MGMT in low-grade gliomas, and explore the relationship between its expression and the histological type of the tumour and the corresponding MRI characteristics.
  • METHODS: We assessed 389 low-grade gliomas (182 astrocytomas, 145 oligoastrocytomas, 61 oligodendrocytomas) with immunohistochemistry staining.
  • We also recorded the preoperational MRI criteria such as tumor volume on T2 image, enhancing volume, tumor location, and relationship with ventricles.
  • RESULTS: The expression of MGMT in astrocytomas, oligoastrocytomas, and oligocytomas were 1.67 ± 0.78, 1.41 ± 0.86,1.44 ± 0.78, respectively.
  • Significant stronger expression of MGMT was observed in astrocytomas than oligoastrocytomas and oligodendrocytomas (t = 3.00, p = 0.03), but no significant difference was observed between the latter two (t = 0.28, p = 0.78).
  • MGMT expression level was significantly correlated with the enhancing volume of the tumor (r = -0.605, p = 0.002), but did not correlate with the total tumor volume (p = 0.504).
  • This suggest that MGMT may contribute to the tumor resistance to radiotherapy and chemotherapy in low-grade gliomas.

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  • (PMID = 27962757.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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29. Ren ZP, Olofsson T, Qu M, Hesselager G, Soussi T, Kalimo H, Smits A, Nistér M: Molecular genetic analysis of p53 intratumoral heterogeneity in human astrocytic brain tumors. J Neuropathol Exp Neurol; 2007 Oct;66(10):944-54
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Molecular genetic analysis of p53 intratumoral heterogeneity in human astrocytic brain tumors.
  • We investigated genetic heterogeneity of astrocytic gliomas using p53 gene mutations as a marker.
  • Different parts of morphologically heterogeneous astrocytic gliomas were microdissected, and direct DNA sequencing of p53 gene exons 5 through 8 was performed.
  • Thirty-five glioma samples and tumor-adjacent normal-appearing brain tissue from 11 patients were analyzed.
  • The mutations were present in grade II, III, and IV astrocytic glioma areas.
  • Both severe functionally dead mutants and mutants with remaining transcriptional activity could be observed in the same tumor.
  • We observed that morphologically different parts of a glioma could carry different or similar mutations in the p53 gene and could be either associated or not associated with the locus of heterozygosity at the mutant site.
  • Coexistence of p53 gene mutations and the locus of heterozygosity was common, at least in astrocytomas grade III and in glioblastomas, and also occurred in astrocytoma grade II areas.
  • Our results are of importance for a further understanding of the molecular mechanisms behind failure to treat glioma patients.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Genes, p53 / genetics
  • [MeSH-minor] Adult. Aged. DNA Primers. DNA, Neoplasm / genetics. Female. Gene Frequency. Humans. Immunohistochemistry. Loss of Heterozygosity. Male. Microdissection. Middle Aged. Mutation / genetics. Mutation / physiology. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 17917588.001).
  • [ISSN] 0022-3069
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA Primers; 0 / DNA, Neoplasm
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30. Li H, Wang Q, Gao F, Zhu F, Wang X, Zhou C, Liu C, Chen Y, Ma C, Sun W, Zhang L: Reduced expression of PDCD5 is associated with high-grade astrocytic gliomas. Oncol Rep; 2008 Sep;20(3):573-9
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  • [Title] Reduced expression of PDCD5 is associated with high-grade astrocytic gliomas.
  • However, the expression level of PDCD5 in human gliomas has not been investigated.
  • In the present study, we examined the expression of PDCD5 in 88 human glioma samples at both mRNA and protein levels by RT-PCR, Western blotting and immunohistochemistry.
  • We found that 53.3% (16/30) of the glioma samples had a reduced expression of PDCD5 mRNA and 70.5% (62/88) had a reduced expression of the PDCD5 protein as compared to normal brain tissue.
  • Furthermore, we studied the correlation of the expression level of PDCD5 with the clinicopathological grade and survival of patients with astrocytomas.
  • Although longitudinal studies of a cohort of patients with astrocytoma revealed that PDCD5 expression was not able to predict clinical outcome (p>0.05), a decreased expression of PDCD5 correlated significantly with high-grade astrocytomas (p<0.001).
  • In conclusion, our data suggest that reduced PDCD5 expression may contribute to the pathogenesis of human gliomas.
  • [MeSH-major] Apoptosis Regulatory Proteins / metabolism. Astrocytoma / metabolism. Brain Neoplasms / metabolism. Neoplasm Proteins / metabolism
  • [MeSH-minor] Adult. Blotting, Western. Female. Humans. Immunoenzyme Techniques. Male. Neoplasm Staging. Prognosis. RNA, Messenger. Reverse Transcriptase Polymerase Chain Reaction. Survival Rate. Tumor Cells, Cultured

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  • (PMID = 18695908.001).
  • [ISSN] 1021-335X
  • [Journal-full-title] Oncology reports
  • [ISO-abbreviation] Oncol. Rep.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Apoptosis Regulatory Proteins; 0 / Neoplasm Proteins; 0 / PDCD5 protein, human; 0 / RNA, Messenger
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31. Eckerich C, Zapf S, Ulbricht U, Müller S, Fillbrandt R, Westphal M, Lamszus K: Contactin is expressed in human astrocytic gliomas and mediates repulsive effects. Glia; 2006 Jan 1;53(1):1-12
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Contactin is expressed in human astrocytic gliomas and mediates repulsive effects.
  • Analyzing different types of astrocytic tumors, we detected an association between increasing malignancy grade and contactin expression.
  • Functionally, contactin had repellent effects on glioma cells in vitro, as demonstrated by adhesion and migration assays.
  • Our findings suggest that contactin has repellent effects on glioma cells to which it is presented as a ligand, but it does not alter the proliferative or adhesive capacities of cells that overexpress the molecule.
  • The repulsive properties of contactin may be a key factor in glioma disaggregation, and may contribute to the diffuse infiltration pattern characteristic of glioma cells in human brain.
  • [MeSH-major] Astrocytes / metabolism. Astrocytoma / metabolism. Biomarkers, Tumor / metabolism. Brain Neoplasms / metabolism. Cell Adhesion Molecules, Neuronal / metabolism
  • [MeSH-minor] Cell Adhesion / physiology. Cell Aggregation / physiology. Cell Communication / physiology. Cell Line, Tumor. Cell Movement / physiology. Cell Proliferation. Contactins. Extracellular Matrix Proteins / metabolism. Gene Expression Regulation, Neoplastic / physiology. Glial Fibrillary Acidic Protein / metabolism. Humans. Ligands. Neoplasm Invasiveness. Protein Tyrosine Phosphatases / metabolism

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  • [Copyright] (c) 2005 Wiley-Liss, Inc.
  • (PMID = 16078236.001).
  • [ISSN] 0894-1491
  • [Journal-full-title] Glia
  • [ISO-abbreviation] Glia
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Cell Adhesion Molecules, Neuronal; 0 / Contactins; 0 / Extracellular Matrix Proteins; 0 / Glial Fibrillary Acidic Protein; 0 / Ligands; EC 3.1.3.48 / Protein Tyrosine Phosphatases
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32. Fathi AR, Vassella E, Arnold M, Curschmann J, Reinert M, Vajtai I, Weis J, Deiana G, Mariani L: Objective response to radiation therapy and long-term survival of patients with WHO grade II astrocytic gliomas with known LOH 1p/19q status. Strahlenther Onkol; 2007 Sep;183(9):517-22

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  • [Title] Objective response to radiation therapy and long-term survival of patients with WHO grade II astrocytic gliomas with known LOH 1p/19q status.
  • BACKGROUND: WHO grade II gliomas are often approached by radiation therapy (RT).
  • However, little is known about tumor response and its potential impact on long-term survival.
  • PATIENTS AND METHODS: Patients subjected to RT were selected from the own database of WHO grade II gliomas diagnosed between 1991 and 2000.
  • The volumetric tumor response after RT was assessed based on magnetic resonance imaging and graded according to standard criteria as complete, partial (PR, >or= 50%), or minor (MR, 25% to <50%).
  • RESULTS: There were 24 astrocytomas and three oligoastrocytomas.
  • CONCLUSION: Approximately 50% of patients with astrocytic WHO grade II gliomas respond to RT despite the absence of LOH for 1p/19q.
  • [MeSH-major] Astrocytoma / genetics. Astrocytoma / radiotherapy. Chromosomes, Human, Pair 1 / radiation effects. Chromosomes, Human, Pair 19 / radiation effects. Cranial Irradiation. Loss of Heterozygosity / radiation effects. Supratentorial Neoplasms / genetics. Supratentorial Neoplasms / radiotherapy. Survivors
  • [MeSH-minor] Adult. Aged. Female. Follow-Up Studies. Humans. Kaplan-Meier Estimate. Magnetic Resonance Imaging. Male. Microsatellite Repeats. Middle Aged. Neoplasm Staging. Radiotherapy Dosage. Retrospective Studies. Survival Analysis

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  • (PMID = 17762927.001).
  • [ISSN] 0179-7158
  • [Journal-full-title] Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]
  • [ISO-abbreviation] Strahlenther Onkol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
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33. Kitai R, Horita R, Sato K, Yoshida K, Arishima H, Higashino Y, Hashimoto N, Takeuchi H, Kubota T, Kikuta K: Nestin expression in astrocytic tumors delineates tumor infiltration. Brain Tumor Pathol; 2010 Apr;27(1):17-21
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  • [Title] Nestin expression in astrocytic tumors delineates tumor infiltration.
  • Nestin is an intermediate filament protein expressed in undifferentiated cells during central nervous system development, and glioma is known to be a highly infiltrative tumor.
  • We determined whether nestin was expressed in astrocytic tumors and could identify infiltrating tumor cells.
  • We screened 65 archival, paraffin-embedded adult astrocytic tumors using immunohistochemical staining and computerized overlaid photographs.
  • The intensity of nestin expression corresponded to the tumor grade.
  • All 33 glioblastoma cases showed positive and extensive staining, which was less positive in diffuse astrocytoma.
  • Overlaid images showed that nestin immunostaining delineated tumor invasion into adjacent gray and white matter.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Glioblastoma / pathology. Intermediate Filament Proteins / metabolism. Intermediate Filament Proteins / physiology. Nerve Tissue Proteins / metabolism. Nerve Tissue Proteins / physiology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Child. Female. Humans. Male. Middle Aged. Neoplasm Invasiveness. Neoplasm Staging. Nestin. Young Adult

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  • (PMID = 20425043.001).
  • [ISSN] 1861-387X
  • [Journal-full-title] Brain tumor pathology
  • [ISO-abbreviation] Brain Tumor Pathol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Intermediate Filament Proteins; 0 / NES protein, human; 0 / Nerve Tissue Proteins; 0 / Nestin
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34. Shapiro WR, Carpenter SP, Roberts K, Shan JS: (131)I-chTNT-1/B mAb: tumour necrosis therapy for malignant astrocytic glioma. Expert Opin Biol Ther; 2006 May;6(5):539-45
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  • [Title] (131)I-chTNT-1/B mAb: tumour necrosis therapy for malignant astrocytic glioma.
  • Treatment of malignant glioma is therapeutically challenging.
  • Despite improvements in neurosurgery, radiotherapy and chemotherapy, few patients diagnosed with anaplastic astrocytoma (AA) or glioblastoma multiforme (GBM) (WHO grades 3 and 4, respectively) will live beyond 2 years.
  • Most malignant gliomas cannot be completely resected or irradiated due to their ability to infiltrate diffusely into normal brain tissue.
  • Brain tissue is protected from the systemic circulation via the blood-brain barrier (BBB), which impedes entry of water-soluble chemotherapeutic agents into the tumour at therapeutic concentrations. (131)I-chTNT-1/B mAb (Cotara) employs an innovative strategy to treat the invasive portion of the tumour and the core lesion. (131)I-chTNT-1/B mAb is a genetically engineered, radiolabelled, chimeric monoclonal antibody specific for a universal intracellular antigen (i.e., DNA/histone H1 complex) exposed in the necrotic core of malignant gliomas.
  • [MeSH-major] Antibodies, Monoclonal / therapeutic use. Antigens, Neoplasm / immunology. Antineoplastic Agents / therapeutic use. Astrocytoma / radiotherapy. Iodine Radioisotopes / therapeutic use

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  • (PMID = 16610983.001).
  • [ISSN] 1744-7682
  • [Journal-full-title] Expert opinion on biological therapy
  • [ISO-abbreviation] Expert Opin Biol Ther
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / Antigens, Neoplasm; 0 / Antineoplastic Agents; 0 / Histones; 0 / Iodine Radioisotopes; 9007-49-2 / DNA
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35. Faria MH, Gonçalves BP, do Patrocínio RM, de Moraes-Filho MO, Rabenhorst SH: Expression of Ki-67, topoisomerase IIalpha and c-MYC in astrocytic tumors: correlation with the histopathological grade and proliferative status. Neuropathology; 2006 Dec;26(6):519-27
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  • [Title] Expression of Ki-67, topoisomerase IIalpha and c-MYC in astrocytic tumors: correlation with the histopathological grade and proliferative status.
  • Astrocytomas represent the most frequent primary tumors of the central nervous system.
  • Recently, the determination of the proliferative index of astrocytic tumors by different methods has been proposed as a valuable tool for tumor grading and also as a prognostic marker.
  • The aim of the present study was to evaluate the expression of cell proliferation-related proteins in human astrocytic tumors of different histopathological grades (WHO).
  • An immunohistochemical study of the Ki-67, Topoisomerase IIalpha (Topo IIalpha) and c-MYC proteins using the avidin-biotin-peroxidase method was performed in 55 astrocytomas (13 grade I, 14 grade II, 7 grade III and 21 grade IV) and five samples of non-tumor brain tissue (control group).
  • Ki-67, Topo IIalpha and c-MYC positive indices tended to increase according to malignant progression, were absent in non-tumor brain tissue and showed maximum values in high-grade astrocytomas (III and IV).
  • A gradual increase in Ki-67 antigen expression was observed in agreement with mitotic index and histopathological classification.
  • Ki-67 antigen detection in more than 8.0% of the tumor cells distinguished astrocytoma grade IV, while a labeling index between 1.5 and 8.0% characterized astrocytomas grade III and values below 1.5% discriminated low-grade tumors (I and II).
  • These results indicate that Topo IIalpha and c-MYC expression is associated with cell proliferation in astrocytomas, although not in an exclusive way.
  • Moreover, Ki-67 antigen was found to be the best marker of cellular proliferation, and its expression predicts the grade of astrocytic tumors.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Biomarkers, Tumor / metabolism. Brain Neoplasms / metabolism. Brain Neoplasms / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Antigens, Neoplasm / metabolism. Cell Division. Child. Child, Preschool. DNA Topoisomerases, Type II / metabolism. DNA-Binding Proteins / metabolism. Female. Glioblastoma / metabolism. Glioblastoma / pathology. Humans. Immunohistochemistry. Infant. Ki-67 Antigen / metabolism. Male. Middle Aged. Prognosis. Proto-Oncogene Proteins c-myc / metabolism

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  • (PMID = 17203587.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / DNA-Binding Proteins; 0 / Ki-67 Antigen; 0 / Proto-Oncogene Proteins c-myc; EC 5.99.1.3 / DNA Topoisomerases, Type II; EC 5.99.1.3 / DNA topoisomerase II alpha
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36. Kotoula V, Cheva A, Barbanis S, Papadimitriou CS, Karkavelas G: hTERT immunopositivity patterns in the normal brain and in astrocytic tumors. Acta Neuropathol; 2006 Jun;111(6):569-78
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  • [Title] hTERT immunopositivity patterns in the normal brain and in astrocytic tumors.
  • Accumulating data about the impact of hTERT in astrocytic tumor carcinogenesis and recent evidence about its association with disease outcome prompt the evaluation of this molecule with methods applicable in routine pathology practice.
  • In this study, we investigated hTERT protein expression with immunohistochemistry (IHC) and the NCL-hTERT antibody in 49 astrocytic tumors.
  • Low- and high-grade astrocytic tumors were found positive for hTERT in 74 and 85% of cases, respectively.
  • The prevailing nuclear IPs differed significantly between pilocytic astrocytomas (pattern As) and the rest of histologic types up to glioblastoma (patterns Am and B) (P<0.0001).
  • Positive endothelial cells were found in astrocytic tumors of all grades, even when tumor cells showed no hTERT immunoreactivity.
  • The nuclear hTERT IPs described here may reflect the functional status of non-neoplastic brain and neoplastic astrocytic cells and support the model of a continuum in the development of glioblastomas from diffuse fibrillary astrocytomas.
  • [MeSH-major] Astrocytes / metabolism. Astrocytoma / metabolism. Brain Chemistry / physiology. Brain Neoplasms / metabolism. Telomerase / genetics. Telomerase / metabolism
  • [MeSH-minor] Adult. Aged. Child. Endothelial Cells / pathology. Female. Fixatives. Formaldehyde. Humans. Immunohistochemistry. In Situ Hybridization. Male. Middle Aged. Paraffin Embedding. RNA, Messenger / biosynthesis. RNA, Messenger / genetics. RNA, Neoplasm / biosynthesis. RNA, Neoplasm / genetics. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 16614861.001).
  • [ISSN] 0001-6322
  • [Journal-full-title] Acta neuropathologica
  • [ISO-abbreviation] Acta Neuropathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Fixatives; 0 / RNA, Messenger; 0 / RNA, Neoplasm; 1HG84L3525 / Formaldehyde; EC 2.7.7.49 / Telomerase
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37. Haapasalo JA, Nordfors KM, Hilvo M, Rantala IJ, Soini Y, Parkkila AK, Pastoreková S, Pastorek J, Parkkila SM, Haapasalo HK: Expression of carbonic anhydrase IX in astrocytic tumors predicts poor prognosis. Clin Cancer Res; 2006 Jan 15;12(2):473-7
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  • [Title] Expression of carbonic anhydrase IX in astrocytic tumors predicts poor prognosis.
  • EXPERIMENTAL DESIGN: We describe CA IX expression in human diffusely infiltrating astrocytomas.
  • The CA IX immunoreactivity showed strong association with tumor malignancy grades (P < 0.0001).
  • CONCLUSIONS: CA IX expression is common in diffusely infiltrating high-grade astrocytomas.
  • Our results suggest that CA IX is a useful biomarker for predicting poor prognosis of astrocytic tumors.
  • It may also be a promising target molecule for the improvement of therapeutic interventions in astrocytomas.
  • [MeSH-major] Antigens, Neoplasm / metabolism. Astrocytoma / enzymology. Biomarkers, Tumor / metabolism. Brain Neoplasms / enzymology. Carbonic Anhydrases / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Apoptosis. Cell Proliferation. Female. Gene Expression Regulation, Neoplastic. Humans. Immunoenzyme Techniques. Male. Middle Aged. Neoplasm Recurrence, Local / enzymology. Neoplasm Recurrence, Local / genetics. Neoplasm Recurrence, Local / pathology. Prognosis. RNA, Messenger / genetics. RNA, Messenger / metabolism. Receptor, Epidermal Growth Factor / metabolism. Survival Rate. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 16428489.001).
  • [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 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / RNA, Messenger; 0 / Tumor Suppressor Protein p53; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 4.2.1.1 / CA9 protein, human; EC 4.2.1.1 / Carbonic Anhydrases
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38. Yoo H, Sohn S, Nam BH, Min HS, Jung E, Shin SH, Gwak HS, Lee SH: The expressions of carbonic anhydrase 9 and vascular endothelial growth factor in astrocytic tumors predict a poor prognosis. Int J Mol Med; 2010 Jul;26(1):3-9

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] The expressions of carbonic anhydrase 9 and vascular endothelial growth factor in astrocytic tumors predict a poor prognosis.
  • Hypoxia in the tumor microenvironment triggers a variety of genetic and adoptive responses that regulate tumor growth.
  • Tumor hypoxia is often associated with a malignant phenotype, resistance to therapy, and poor survival.
  • The objectives of this study were to evaluate the expressions of carbonic anhydrase 9 (CA9) and vascular endothelial growth factor (VEGF) in astrocytic gliomas and to relate patterns of expression with prognosis, that is with histological grade and survival.
  • We investigated 78 World Health Organization (WHO) grade II, III, and IV astrocytic gliomas.
  • Furthermore, VEGF expression was found to be significantly related to tumor grade (p=0.02) and tended to be related to overall survival (p=0.1).
  • Nevertheless, the expressions of CA9 and VEGF were found to be associated with tumor grade and possibly with survival.
  • Further studies on a larger patient population are needed to determine the correlation between the expressions of CA9, and VEGF in astrocytic gliomas and clinical outcome.
  • [MeSH-major] Antigens, Neoplasm / biosynthesis. Astrocytoma / metabolism. Carbonic Anhydrases / biosynthesis. Vascular Endothelial Growth Factor A / biosynthesis

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  • (PMID = 20514415.001).
  • [ISSN] 1791-244X
  • [Journal-full-title] International journal of molecular medicine
  • [ISO-abbreviation] Int. J. Mol. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Vascular Endothelial Growth Factor A; EC 4.2.1.1 / CA9 protein, human; EC 4.2.1.1 / Carbonic Anhydrases
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39. Lapointe M, Lanthier J, Moumdjian R, Régina A, Desrosiers RR: Expression and activity of l-isoaspartyl methyltransferase decrease in stage progression of human astrocytic tumors. Brain Res Mol Brain Res; 2005 Apr 27;135(1-2):93-103
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  • [Title] Expression and activity of l-isoaspartyl methyltransferase decrease in stage progression of human astrocytic tumors.
  • Here we investigated PIMT regulation in astrocytic tumors, which are the most common human brain tumors.
  • PIMT expression and enzyme activity were significantly decreased in all grades of human astrocytic tumors.
  • More precisely, PIMT levels were significantly lower by 76% in pilocytic astrocytomas (grade I), 46% in astrocytomas (grade II), 69% in anaplastic astrocytomas (grade III), and a marked 80% in glioblastomas (grade IV) as compared to normal brains.
  • Furthermore, the reduced PIMT levels correlated closely with a decrease in the number of neuron cells in astrocytic tumors as assessed by measuring the neuron-specific enolase level.
  • Many proteins with abnormal aspartyl residues accumulated in brain tumors and some were specific to individual grades of astrocytic tumors.
  • Similar results were obtained, either by measuring the reduction in PIMT activity and expression or by measuring the formation of abnormal proteins, in an orthotopic rat brain tumor model implanted with invasive CNS-1 glioma cells.
  • The novelty of these findings was to provide the first evidence for a marked reduction of PIMT expression and activity during stage progression of astrocytic tumors in humans.
  • [MeSH-major] Brain / enzymology. Brain Neoplasms / enzymology. Gene Expression Regulation, Neoplastic / physiology. Glioma / enzymology. Protein D-Aspartate-L-Isoaspartate Methyltransferase / metabolism
  • [MeSH-minor] Animals. Blotting, Northern. Glial Fibrillary Acidic Protein / metabolism. Humans. Immunohistochemistry / methods. Male. Methylation. Neoplasm Transplantation / methods. Phosphopyruvate Hydratase / metabolism. RNA, Messenger / metabolism. Rats. Rats, Inbred Lew. Reverse Transcriptase Polymerase Chain Reaction / methods

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  • (PMID = 15857672.001).
  • [ISSN] 0169-328X
  • [Journal-full-title] Brain research. Molecular brain research
  • [ISO-abbreviation] Brain Res. Mol. Brain Res.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; 0 / RNA, Messenger; EC 2.1.1.77 / Protein D-Aspartate-L-Isoaspartate Methyltransferase; EC 4.2.1.11 / Phosphopyruvate Hydratase
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40. Jin S, Sun C, Yu S, Wang Q, Wu W, Sun Y, Zhao W, An T: Chromosome DNA imbalances in human astrocytic tumors: a comparative genomic hybridization study of 63 Chinese patients. Pathol Res Pract; 2010 Oct 15;206(10):674-81
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  • [Title] Chromosome DNA imbalances in human astrocytic tumors: a comparative genomic hybridization study of 63 Chinese patients.
  • Astrocytic tumors are the most frequent primary brain neoplasms.
  • Analysis of chromosome DNA imbalance may help to advance diagnosis, grading, and classification, and to determine appropriate therapeutic approaches for tumors of astrocytic lineages.
  • In this study, 63 astrocytic tumors of Chinese patients were screened by CGH, and the relationship between their chromosome DNA imbalances and the histopathological classification, grading, and clinical features was analyzed.
  • The gain of 1q and the loss of 15q were relevant to the histological types and grades of WHO classification.
  • The losses of 4q and 10q correlated with age in the group of anaplastic astrocytoma, which was unreported in the literature.
  • Our data was the first report on the chromosomal aberrations of astrocytic tumors of Chinese patients.
  • [MeSH-major] Asian Continental Ancestry Group / genetics. Astrocytoma / genetics. Brain Neoplasms / genetics. Chromosome Aberrations. Comparative Genomic Hybridization. Glioblastoma / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Child, Preschool. China. Female. Gene Expression Regulation, Neoplastic. Genotype. Humans. Male. Middle Aged. Neoplasm Staging. Phenotype. Prognosis. Young Adult

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  • [Copyright] Copyright © 2010 Elsevier GmbH. All rights reserved.
  • (PMID = 20591577.001).
  • [ISSN] 1618-0631
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
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41. Juric-Sekhar G, Zarkovic K, Waeg G, Cipak A, Zarkovic N: Distribution of 4-hydroxynonenal-protein conjugates as a marker of lipid peroxidation and parameter of malignancy in astrocytic and ependymal tumors of the brain. Tumori; 2009 Nov-Dec;95(6):762-8
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  • [Title] Distribution of 4-hydroxynonenal-protein conjugates as a marker of lipid peroxidation and parameter of malignancy in astrocytic and ependymal tumors of the brain.
  • The aim of this study was to evaluate the expression of HNE in 120 astrocytic and 40 ependymal tumors in relation to tumor type, grade of malignancy, angiogenesis, and presence of necrosis and apoptosis.
  • The incidence of HNE-immunopositive tumor cells increased with increasing grades of malignancy.
  • Significantly higher HNE expression was found in tumor cells of glioblastomas multiforme than in cells of pilocytic astrocytomas (P < 0.005), and in anaplastic ependymomas than in benign ependymomas (P < 0.01).
  • HNE-immunopositive tumor cells were distributed more diffusely than in perivascular locations (P < 0.05).
  • HNE was expressed in the endothelium of almost all tumor vessels, but its expression in the walls of the vessels was significantly higher in diffuse and anaplastic astrocytomas than in pilocytic astrocytomas and glioblastomas multiforme (P < 0.05).
  • The number of microvessels containing HNE in their endothelium and walls was significantly associated with the grade of malignancy in both astrocytic (P < 0.001) and ependymal tumors (P < 0.05), although microvessels in pilocytic astrocytomas were significantly more numerous (P < 0.05) than in diffuse astrocytomas.
  • CONCLUSIONS: LPO seems to be a common pathological process in astrocytic and ependymal glial tumors, proportional to the level of malignancy and neovascularization.
  • [MeSH-major] Aldehydes / analysis. Astrocytoma / chemistry. Biomarkers, Tumor / analysis. Brain Neoplasms / chemistry. Brain Neoplasms / pathology. Ependymoma / chemistry. Lipid Peroxidation. Neoplasm Proteins / analysis

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  • (PMID = 20210242.001).
  • [ISSN] 0300-8916
  • [Journal-full-title] Tumori
  • [ISO-abbreviation] Tumori
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Italy
  • [Chemical-registry-number] 0 / Aldehydes; 0 / Biomarkers, Tumor; 0 / Cross-Linking Reagents; 0 / Neoplasm Proteins; 29343-52-0 / 4-hydroxy-2-nonenal
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42. Tsunoda K, Kitange G, Anda T, Shabani HK, Kaminogo M, Shibata S, Nagata I: Expression of the constitutively activated RelA/NF-kappaB in human astrocytic tumors and the in vitro implication in the regulation of urokinase-type plasminogen activator, migration, and invasion. Brain Tumor Pathol; 2005;22(2):79-87
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  • [Title] Expression of the constitutively activated RelA/NF-kappaB in human astrocytic tumors and the in vitro implication in the regulation of urokinase-type plasminogen activator, migration, and invasion.
  • Although malignant gliomas are highly invasive tumors, a characteristic that contributes to the commonly observed therapeutic failures and local disease recurrences, the molecular events that regulate invasion in these tumors remain poorly understood.
  • Because the transcription factor RelA/NF-kappaB has been shown to regulate invasion during several cellular processes, we have examined immunohistochemically expression of the constitutively activated RelA/NF-kappaB in tissues obtained from 49 astrocytic tumors [8 diffuse astrocytomas, 9 anaplastic astrocytomas (AAs) and 32 glioblastomas (GBMs)].
  • In addition, we examined the in vitro effects of antisense oligonucleotides and curcumin on the expression and activation of RelA/NF-kappaB, urokinase-type plasminogen activator (u-PA) expression, migration, and invasion in the T98G glioma cell line.
  • Expression of the constitutively activated RelA/NF-kappaB was observed in 2 (25%) of 8 cases of diffuse astrocytomas, 5 (55.6%) of 9 cases of AAs, and 30 (93.8%) of 32 cases of GBMs.
  • This expression was significantly correlated with the malignant potential in astrocytic tumors (P < 0.001).
  • Moreover, antisense oligonucleotides and curcumin inhibited phorbol-12-myristate-13-acetate (PMA)-induced RelA/NF-kappaB expression or activation (or both), down-regulated u-PA expression, and reduced the migration and invasive potentials of T98G glioma cells.
  • Thus, the expression of constitutively activated RelA/NF-kappaB is associated with malignancy potential in astrocytic tumors and may play a critical role in the regulation of u-PA expression and invasiveness in gliomas.
  • RelA/NF-kappaB may therefore be an intriguing candidate for studies aimed at understanding and prevention of the invasiveness of gliomas.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Gene Expression Regulation, Neoplastic. Glioblastoma / metabolism. NF-kappa B / biosynthesis. Neoplasm Proteins / biosynthesis. Transcription Factor RelA / biosynthesis. Urokinase-Type Plasminogen Activator / biosynthesis
  • [MeSH-minor] Cell Line, Tumor / drug effects. Cell Line, Tumor / metabolism. Cell Movement / drug effects. Cell Nucleus / metabolism. Culture Media, Conditioned. Curcumin / pharmacology. Enzyme Induction / genetics. Humans. Neoplasm Invasiveness. Oligonucleotides, Antisense / pharmacology. RNA, Messenger / biosynthesis. RNA, Neoplasm / biosynthesis. Retrospective Studies. Single-Blind Method. Tetradecanoylphorbol Acetate / pharmacology

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  • (PMID = 18095109.001).
  • [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] 0 / Culture Media, Conditioned; 0 / NF-kappa B; 0 / Neoplasm Proteins; 0 / Oligonucleotides, Antisense; 0 / RELA protein, human; 0 / RNA, Messenger; 0 / RNA, Neoplasm; 0 / Transcription Factor RelA; EC 3.4.21.73 / Urokinase-Type Plasminogen Activator; IT942ZTH98 / Curcumin; NI40JAQ945 / Tetradecanoylphorbol Acetate
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43. Ichimura K, Mungall AJ, Fiegler H, Pearson DM, Dunham I, Carter NP, Collins VP: Small regions of overlapping deletions on 6q26 in human astrocytic tumours identified using chromosome 6 tile path array-CGH. Oncogene; 2006 Feb 23;25(8):1261-71
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  • [Title] Small regions of overlapping deletions on 6q26 in human astrocytic tumours identified using chromosome 6 tile path array-CGH.
  • Deletions of chromosome 6 are a common abnormality in diverse human malignancies including astrocytic tumours, suggesting the presence of tumour suppressor genes (TSG).
  • A total of 104 adult astrocytic tumours (10 diffuse astrocytomas, 30 anaplastic astrocytomas (AA), 64 glioblastomas (GB)) were analysed using this array.
  • [MeSH-major] Astrocytoma / genetics. Chromosome Deletion. Chromosomes, Human, Pair 6 / genetics. Glioblastoma / genetics. Nucleic Acid Hybridization. Oligonucleotide Array Sequence Analysis
  • [MeSH-minor] Brain Neoplasms / genetics. Brain Neoplasms / pathology. Chromosomes, Artificial, Bacterial. DNA, Neoplasm / analysis. Gene Dosage. Humans. Microsatellite Repeats. Telomere / genetics

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  • [Copyright] Oncogene (2006) 25, 1261-1271. doi:10.1038/sj.onc.1209156; published online 3 October 2005.
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  • (PMID = 16205629.001).
  • [ISSN] 0950-9232
  • [Journal-full-title] Oncogene
  • [ISO-abbreviation] Oncogene
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / A6618
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / DNA, Neoplasm
  • [Other-IDs] NLM/ PMC2760128; NLM/ UKMS2686
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44. Xu GW, Mymryk JS, Cairncross JG: Inactivation of p53 sensitizes astrocytic glioma cells to BCNU and temozolomide, but not cisplatin. J Neurooncol; 2005 Sep;74(2):141-9
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  • [Title] Inactivation of p53 sensitizes astrocytic glioma cells to BCNU and temozolomide, but not cisplatin.
  • p53 inactivation sensitizes U87MG astrocytic glioma cells to 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) and temozolomide (TMZ), drugs used clinically to treat high-grade astrocytomas.
  • In this report, we examined the effect of p53 inactivation on the chemosensitivity of two additional human astrocytic glioma cell lines, D54 and A172, in order to assess whether sensitization is a general property of astrocytic tumor cells.
  • Sensitization to both BCNU and TMZ was associated with failure of p21(WAF1) induction, lack of a sustained G2 cell cycle arrest and significant tumor cell death.
  • These findings suggest that enhanced sensitivity to BCNU and TMZ is a general property of human astrocytic glioma cells in which p53 was disrupted.
  • In contrast, p53 inactivation rendered D54 and U87MG cells significantly more resistant to cis-dichlorodiamminoplatinum (CDDP), another chemotherapeutic to which high-grade astrocytomas sometimes respond.
  • These results indicate that p53 status influences the chemosensitivity of astrocytic glioma cells in a drug-type specific manner, a finding that may have implications for the selection of drug treatments for patients with astrocytic gliomas.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Astrocytoma / drug therapy. Carmustine / therapeutic use. Cisplatin / therapeutic use. Dacarbazine / analogs & derivatives. Gene Silencing. Tumor Suppressor Protein p53 / physiology
  • [MeSH-minor] Blotting, Western. Cell Cycle / drug effects. Cyclin-Dependent Kinase Inhibitor p21 / metabolism. Humans. Tumor Cells, Cultured. Tumor Stem Cell Assay

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  • (PMID = 16193384.001).
  • [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 / Antineoplastic Agents; 0 / CDKN1A protein, human; 0 / Cyclin-Dependent Kinase Inhibitor p21; 0 / Tumor Suppressor Protein p53; 7GR28W0FJI / Dacarbazine; Q20Q21Q62J / Cisplatin; U68WG3173Y / Carmustine; YF1K15M17Y / temozolomide
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45. Khattab AZ, Ahmed MI, Fouad MA, Essa WA: Significance of p53 and CD31 in astrogliomas. Med Oncol; 2009;26(1):86-92
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  • [Title] Significance of p53 and CD31 in astrogliomas.
  • BACKGROUND: Astrogliomas are the most common primary brain tumor.
  • Its progression is the result of activation of oncogenes, inactivation of tumor suppressor genes (TSGs), and expression of various growth factors.
  • The angiogenesis and p53 in astrogliomas play an important role in its grading, treatment strategies, and hence its clinical outcome.
  • OBJECTIVES: To analyze the frequency of presentation and the possible co-expression of p53 and angiogenesis marker (CD31) and their clinical implications in astrogliomas.
  • MATERIAL AND METHODS: This retrograde study included 45 cases with astrocytomas in the form of paraffin blocks.
  • Sections were stained with hematoxylin and eosin to determine the type and histological grade according to WHO (2007) classification of CNS tumors.
  • RESULTS: Both p53 and CD31 expressions were correlated well with the histopathological grades of different subtypes of astrogliomas with good discrimination between low and high grades.
  • Overall, a highly significant statistical correlation was observed between the grades of astrocytomas and the p53 and CD31 labeling indices.
  • Obviously, these observations demonstrate that the co-expression and increased levels of p53 and CD31 in astrogliomas are increasing as the tumor grade is increasing.
  • Thus, the two markers can be used as adjunct to the diagnosis and stratification of the high grade from the low-grade intrinsic brain astrogliomas.
  • [MeSH-major] Antigens, CD31 / biosynthesis. Astrocytoma / metabolism. Biomarkers, Tumor. Brain Neoplasms / metabolism. Tumor Suppressor Protein p53 / biosynthesis
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Female. Humans. Immunohistochemistry. Infant. Male. Middle Aged. Neoplasm Staging

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  • (PMID = 18821037.001).
  • [ISSN] 1357-0560
  • [Journal-full-title] Medical oncology (Northwood, London, England)
  • [ISO-abbreviation] Med. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD31; 0 / Biomarkers, Tumor; 0 / Tumor Suppressor Protein p53
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46. Beetz C, Bergner S, Brodoehl S, Brodhun M, Ewald C, Kalff R, Krüger J, Patt S, Kiehntopf M, Deufel T: Outcome-based profiling of astrocytic tumours identifies prognostic gene expression signatures which link molecular and morphology-based pathology. Int J Oncol; 2006 Nov;29(5):1183-91
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  • [Title] Outcome-based profiling of astrocytic tumours identifies prognostic gene expression signatures which link molecular and morphology-based pathology.
  • Astrocytomas are intracranial malignancies for which invasive growth and high motility of tumour cells preclude total resection; the tumours usually recur in a more aggressive and, eventually, lethal form.
  • Our finding of cell-specificity for some of these outcome-determining genes relates global expression data to the presence of morphological correlates of tumour behaviour and, thus, provides a link between morphology-based and molecular pathology.
  • Our identification of expression signatures that are associated individually with clinical outcome confirms the prognostic relevance of gene expression data and, thus, represents a step towards eventually implementing molecular diagnosis into clinical practice in neuro-oncology.
  • [MeSH-major] Astrocytoma / mortality. Biomarkers, Tumor / analysis. Brain Neoplasms / mortality. Gene Expression Profiling. Genes, Neoplasm / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Female. Humans. Male. Middle Aged. Oligonucleotide Array Sequence Analysis. Prognosis. RNA, Neoplasm / analysis. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 17016650.001).
  • [ISSN] 1019-6439
  • [Journal-full-title] International journal of oncology
  • [ISO-abbreviation] Int. J. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / RNA, Neoplasm
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47. Mabrouk GM, Ali EM, El-Rehany MA, El-Samoly HM: TGF-beta1, TNF-alpha and cytochrome c in human astrocytic tumors: a short-term follow up and correlation with survival. Clin Biochem; 2007 Feb;40(3-4):255-60
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  • [Title] TGF-beta1, TNF-alpha and cytochrome c in human astrocytic tumors: a short-term follow up and correlation with survival.
  • OBJECTIVES: To evaluate the association of signals of apoptosis namely, TGF-beta1, TNF-alpha and cytochrome c release in cytoplasm with survival rate to determine the potential use of such parameters as predictive markers for patients with astrocytomas.
  • DESIGN AND METHODS: We measured TGF-beta1, TNF-alpha and cytoplasmic cytochrome c in 30 astrocytic tumors Grade II, III and IV.
  • Patients with astrocytic tumors having elevated cytochrome c showed a better survival rate compared to those with less release.
  • [MeSH-major] Astrocytoma / diagnosis. Biomarkers, Tumor / analysis. Brain Neoplasms / diagnosis. Cytochromes c / analysis. Transforming Growth Factor beta1 / analysis. Tumor Necrosis Factor-alpha / analysis
  • [MeSH-minor] Adolescent. Adult. Aged. Apoptosis. Child. Child, Preschool. Female. Humans. Male. Middle Aged. Neoplasm Staging. Prognosis. Survival Rate

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  • (PMID = 17070791.001).
  • [ISSN] 0009-9120
  • [Journal-full-title] Clinical biochemistry
  • [ISO-abbreviation] Clin. Biochem.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Transforming Growth Factor beta1; 0 / Tumor Necrosis Factor-alpha; 9007-43-6 / Cytochromes c
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48. Zeltner L, Schittenhelm J, Mittelbronn M, Roser F, Tatagiba M, Mawrin C, Kim YJ, Bornemann A: The astrocytic response towards invasive meningiomas. Neuropathol Appl Neurobiol; 2007 Apr;33(2):163-8
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  • [Title] The astrocytic response towards invasive meningiomas.
  • In the present study we immunolabelled sections of 35 brain-invasive meningiomas (14 meningothelial meningiomas WHO grade I, 11 atypical WHO grade II and 10 anaplastic WHO grade III) using anti-collagen IV to label basement membrane material, and antibodies against astrocytic markers CD44, SPARC (secreted protein, acidic and rich in cysteine) and glial fibrillary acidic protein (GFAP).
  • However, tumour embedded in deep brain parenchyma lacked both an astrocytic reaction and basement membrane material.
  • [MeSH-minor] Aged. Antigens, CD44 / metabolism. Basement Membrane / metabolism. Basement Membrane / pathology. Cell Movement. Collagen Type IV / metabolism. Humans. Middle Aged. Neoplasm Invasiveness. Osteonectin / metabolism. Pia Mater / pathology

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  • (PMID = 17359357.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antigens, CD44; 0 / CD44 protein, human; 0 / Collagen Type IV; 0 / Osteonectin
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49. Mizoguchi M, Betensky RA, Batchelor TT, Bernay DC, Louis DN, Nutt CL: Activation of STAT3, MAPK, and AKT in malignant astrocytic gliomas: correlation with EGFR status, tumor grade, and survival. J Neuropathol Exp Neurol; 2006 Dec;65(12):1181-8
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  • [Title] Activation of STAT3, MAPK, and AKT in malignant astrocytic gliomas: correlation with EGFR status, tumor grade, and survival.
  • Diffuse astrocytic gliomas are the most common human glial tumors with glioblastoma being the most malignant form.
  • In this study, we investigated the activation status of these 3 signaling molecules as well as wild-type (EGFRwt) and mutant (EGFRvIII) EGFR in 82 malignant astrocytic gliomas (55 glioblastomas and 27 anaplastic astrocytomas) using immunohistochemistry.
  • The distribution of these 3 activated molecules varied significantly with tumor grade; although activation of STAT3 was essentially identical between anaplastic astrocytomas and glioblastomas, an increase in the activation of MAPK and AKT appeared to correlate with the progression of anaplastic astrocytoma to glioblastoma.
  • Taken together, these findings begin to elucidate the interrelationship between these signaling pathways in astrocytic gliomas in vivo.
  • [MeSH-major] Astrocytoma / enzymology. Brain Neoplasms / enzymology. Glioblastoma / enzymology. Mitogen-Activated Protein Kinases / metabolism. Proto-Oncogene Proteins c-akt / metabolism. Receptor, Epidermal Growth Factor / biosynthesis. STAT3 Transcription Factor / metabolism
  • [MeSH-minor] Biomarkers, Tumor / analysis. Biomarkers, Tumor / metabolism. Diagnosis, Differential. Disease Progression. Enzyme Activation / genetics. Genetic Predisposition to Disease / genetics. Humans. Immunohistochemistry. Mutation / genetics. Predictive Value of Tests. Prognosis. Signal Transduction / physiology. Survival Rate / trends. Transcriptional Activation / genetics

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  • (PMID = 17146292.001).
  • [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 / CA 57683; United States / NCI NIH HHS / CA / CA 95616
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / STAT3 Transcription Factor; 0 / STAT3 protein, human; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 2.7.11.24 / Mitogen-Activated Protein Kinases
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50. Lamoral-Theys D, Le Mercier M, Le Calvé B, Rynkowski MA, Bruyère C, Decaestecker C, Haibe-Kains B, Bontempi G, Dubois J, Lefranc F, Kiss R: Long-term temozolomide treatment induces marked amino metabolism modifications and an increase in TMZ sensitivity in Hs683 oligodendroglioma cells. Neoplasia; 2010 Jan;12(1):69-79
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  • Gliomas account for more than 50% of all primary brain tumors.
  • The worst prognosis is associated with gliomas of astrocytic origin, whereas gliomas with an oligodendroglial origin offer higher sensitivity to chemotherapy, especially when oligodendroglioma cells display 1p19q deletions.
  • Temozolomide (TMZ) provides therapeutic benefits and is commonly used with radiotherapy in highly malignant astrocytic tumors, including glioblastomas.
  • [MeSH-minor] Animals. Antineoplastic Agents, Alkylating / pharmacology. Apoptosis / drug effects. Blotting, Western. Cell Line, Tumor. Cell Proliferation / drug effects. Female. Gene Expression Regulation, Neoplastic / drug effects. Genomics / methods. HT29 Cells. Humans. Mice. Mice, Nude. Neoplasm Invasiveness. Neoplastic Stem Cells / drug effects. Neoplastic Stem Cells / metabolism. Neoplastic Stem Cells / pathology. Proteomics / methods. Reverse Transcriptase Polymerase Chain Reaction. Time Factors. Xenograft Model Antitumor Assays

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  • (PMID = 20072655.001).
  • [ISSN] 1476-5586
  • [Journal-full-title] Neoplasia (New York, N.Y.)
  • [ISO-abbreviation] Neoplasia
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Canada
  • [Chemical-registry-number] 0 / Amino Acids; 0 / Antineoplastic Agents, Alkylating; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide
  • [Other-IDs] NLM/ PMC2805885
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51. Liu L, Bäcklund LM, Nilsson BR, Grandér D, Ichimura K, Goike HM, Collins VP: Clinical significance of EGFR amplification and the aberrant EGFRvIII transcript in conventionally treated astrocytic gliomas. J Mol Med (Berl); 2005 Nov;83(11):917-26
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  • [Title] Clinical significance of EGFR amplification and the aberrant EGFRvIII transcript in conventionally treated astrocytic gliomas.
  • The aim of this study was to evaluate the clinical value of assessing epidermal growth factor receptor (EGFR) amplification and the common 5' rearrangement of EGFR resulting in the EGFRvIII transcript in astrocytic gliomas.
  • Amplification of EGFR was found in 41% (65/160) of glioblastomas (GBs) and 10% (4/41) of anaplastic astrocytomas (AAs).
  • There were no abnormalities of the EFGR or its transcript in grade II astrocytoma (AII).
  • We noted a tendency towards decreased survival with any EGFR abnormality in the 41 patients with AAs.
  • [MeSH-major] Astrocytoma / genetics. Central Nervous System Neoplasms / genetics. Gene Amplification. Glioblastoma / genetics. Glioma / genetics. Receptor, Epidermal Growth Factor / genetics

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  • (PMID = 16133418.001).
  • [ISSN] 0946-2716
  • [Journal-full-title] Journal of molecular medicine (Berlin, Germany)
  • [ISO-abbreviation] J. Mol. Med.
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / A6618
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers; 0 / epidermal growth factor receptor VIII; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
  • [Other-IDs] NLM/ PMC2815848; NLM/ UKMS2690
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52. Katsetos CD, Reddy G, Dráberová E, Smejkalová B, Del Valle L, Ashraf Q, Tadevosyan A, Yelin K, Maraziotis T, Mishra OP, Mörk S, Legido A, Nissanov J, Baas PW, de Chadarévian JP, Dráber P: Altered cellular distribution and subcellular sorting of gamma-tubulin in diffuse astrocytic gliomas and human glioblastoma cell lines. J Neuropathol Exp Neurol; 2006 May;65(5):465-77
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Altered cellular distribution and subcellular sorting of gamma-tubulin in diffuse astrocytic gliomas and human glioblastoma cell lines.
  • Centrosome amplification is a pivotal mechanism underlying tumorigenesis but its role in gliomas is underinvestigated.
  • The present study specifically examines the expression and distribution of the centrosome-associated cytoskeletal protein gamma-tubulin in 56 primary diffuse astrocytic gliomas (grades II-IV) and in 4 human glioblastoma cell lines (U87MG, U118MG, U138MG, and T98G).
  • In tumors in adults (n = 46), varying degrees of localization were detected in all tumor grades, but immunoreactivity was significantly increased in high-grade anaplastic astrocytomas and glioblastomas multiforme as compared to low-grade diffuse astrocytomas (p = 0.0001).
  • A similar trend was noted in diffuse gliomas in children but the sample of cases was too small as to be statistically meaningful.
  • Our results indicate that overexpression and ectopic cellular distribution of gamma-tubulin in astrocytic gliomas may be significant in the context of centrosome protein amplification and may be linked to tumor progression and anaplastic potential.
  • [MeSH-minor] Antigens / metabolism. Blotting, Northern / methods. Cell Line, Tumor. Humans. Immunohistochemistry / methods

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  • (PMID = 16772870.001).
  • [ISSN] 0022-3069
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens; 0 / Tubulin; 0 / pericentrin
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53. Shuangshoti S, Thorner PS, Ruangvejvorachai P, Saha B, Groshen S, Taylor CR, Malhotra S, Imam SA: J1-31 protein expression in astrocytes and astrocytomas. Neuropathology; 2009 Oct;29(5):521-7
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  • [Title] J1-31 protein expression in astrocytes and astrocytomas.
  • J1-31 is one of the astrocytic proteins, the expression of which has not been evaluated in astrocytomas.
  • In the present study, we studied the expression of J1-31 protein in astrocytes and astrocytomas in comparison with GFAP, p53 and Ki-67.
  • Materials consisted of formalin-fixed paraffin-embedded tissue specimens that included five cases of normal brain, 17 of gliosis, 15 of pilocytic astrocytoma (WHO grade I), 26 of low-grade diffuse astrocytoma (WHO grade II), four of anaplastic astrocytoma (WHO grade III), and eight of glioblastoma (WHO grade IV).
  • The antibody showed reactivity with tumor cells in 12/15 (80%) cases of pilocytic astrocytoma, although intensity of staining was generally weaker and more focal than observed in reactive gliosis.
  • J1-31-positive tumor cells were detected in only 9/26 (35%) cases of the low-grade diffuse astrocytoma and none of the cases of anaplastic astrocytoma and glioblastoma.
  • Increasing Ki-67 indices paralleled advancing tumor grades. p53 protein was expressed more commonly in infiltrating astrocytomas compared to pilocytic astrocytoma.
  • In conclusion, down-regulation of J1-31 expression correlates with advancing grade of astrocytomas.
  • The anti-J1-31 antibody may help further our understanding of astrocytes in disease and may be useful as an aid in the pathologic diagnosis of astrocytic lesions.
  • [MeSH-major] Astrocytes / metabolism. Astrocytoma / metabolism. Nerve Tissue Proteins / metabolism
  • [MeSH-minor] Cytoplasm / metabolism. Down-Regulation. Glial Fibrillary Acidic Protein / metabolism. Glioblastoma / metabolism. Gliosis / metabolism. Humans. Ki-67 Antigen / metabolism. Neoplasm Staging. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 19019178.001).
  • [ISSN] 1440-1789
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; 0 / J1-31 protein, human; 0 / Ki-67 Antigen; 0 / Nerve Tissue Proteins; 0 / Tumor Suppressor Protein p53
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54. Giannopoulou E, Ravazoula P, Kalofonos H, Makatsoris T, Kardamakis D: Expression of HIF-1alpha and iNOS in astrocytic gliomas: a clinicopathological study. In Vivo; 2006 May-Jun;20(3):421-5

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Expression of HIF-1alpha and iNOS in astrocytic gliomas: a clinicopathological study.
  • BACKGROUND: Hypoxia-inducible-factor-1 (HIF-1) is present at high levels in human tumors and plays a crucial role in tumor promotion by up-regulating several target genes.
  • PATIENTS AND METHODS: Sixty-three human astrocytic gliomas were analyzed by immunohistochemistry for HIF-1alpha and iNOS using formalin-fixed paraffin-embedded material.
  • RESULTS: HIF-1alpha was detected only in astrocytic gliomas grades III and IV, both in the nucleus and in the cytoplasm.
  • The iNOS expression was increased in astrocytic gliomas grades I, II and III and was statistically significantly decreased in astrocytic gliomas grade IV. iNOS was localized round the capillary vessels as well.
  • CONCLUSION: We believe that HIF-1alpha and iNOS expressions merit further investigations in order to understand the biology of astrocytic gliomas.
  • [MeSH-major] Astrocytoma / enzymology. Astrocytoma / metabolism. Biomarkers, Tumor / analysis. Hypoxia-Inducible Factor 1, alpha Subunit / metabolism. Nitric Oxide Synthase Type II / biosynthesis

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  • (PMID = 16724682.001).
  • [ISSN] 0258-851X
  • [Journal-full-title] In vivo (Athens, Greece)
  • [ISO-abbreviation] In Vivo
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / HIF1A protein, human; 0 / Hypoxia-Inducible Factor 1, alpha Subunit; EC 1.14.13.39 / Nitric Oxide Synthase Type II
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55. Bongiorni L, Arroyo HA, Lubienicki F: [Subependymal nodules-sudependymal giant cell astrocytoma complex in children with tuberous sclerosis]. Medicina (B Aires); 2009;69(1 Pt 1):8-14
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  • [Title] [Subependymal nodules-sudependymal giant cell astrocytoma complex in children with tuberous sclerosis].
  • [Transliterated title] Complejo nódulo subependimario-astrocitoma subependimario gigantocelular en niños con esclerosis tuberosa.
  • The object of this paper is to describe the imaging and clinical characteristics of subependymal nodule (SN) - subependymal giant cell astrocytoma (SGCA) complex in tuberous sclerosis and analyze its evolution in order to attempt early detection and the prevention of intracranial hypertension.
  • Six patients presented visual deficit and in these, the average diameter of the tumor was 31.5 mm, a high value when compared to 18.7 mm in the patients without visual deficit.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Cerebral Ventricles / pathology. Tuberous Sclerosis / pathology


56. Tsuji K, Nakasu S, Tsuji A, Fukami T, Nozaki K: [Postoperative regression of desmoplastic infantile astrocytoma]. No Shinkei Geka; 2008 Nov;36(11):1035-9
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  • [Title] [Postoperative regression of desmoplastic infantile astrocytoma].
  • Desmoplastic infantile astrocytoma/ganglioglioma (DIA/DIG) is a rare tumor that is usually located superficially with a large cystic component.
  • In rare cases, postoperative regression of the residual tumor has been reported.
  • A CT scan showed a large cystic tumor in his left parieto-occipital lobe.
  • The histopathological examination revealed an astrocytic tumor with marked desmoplasia.
  • In the central portion of the tumor, anaplastic features, such as necrosis, mitosis, and high nucleus-cytoplasmic ratio, were noticed.
  • Six months later when he was admitted for the second-stage surgery, MRI showed regression of the tumor.
  • [MeSH-major] Astrocytoma / pathology. Astrocytoma / surgery. Brain Neoplasms / pathology. Brain Neoplasms / surgery
  • [MeSH-minor] Gliosis. Humans. Infant. Male. Neoplasm Regression, Spontaneous

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  • (PMID = 19048924.001).
  • [ISSN] 0301-2603
  • [Journal-full-title] No shinkei geka. Neurological surgery
  • [ISO-abbreviation] No Shinkei Geka
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Japan
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57. López-Aguilar E, Sepúlveda Vildósola AC, Rioscovián-Soto AP, Gascón-Lastiri G, Rojas-Puentes F, Siordia-Reyes G, Diegopérez-Ramírez J, De la Cruz-Yáñez H, Barrientos-Salcedo C: [Survival of patients with malignant astrocytomas according to the expression of Ki67 antigen in a pediatric hospital]. Gac Med Mex; 2010 Mar-Apr;146(2):118-23
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  • [Title] [Survival of patients with malignant astrocytomas according to the expression of Ki67 antigen in a pediatric hospital].
  • [Transliterated title] Sobrevida de los pacientes con astrocitoma de alto grado que expresan el antígeno Ki67, atendidos en un hospital de pediatría.
  • BACKGROUND: Pediatric patients with malignant gliomas and same histological diagnosis respond distinctly to treatment.
  • The aim of this study was to determine if the expression of this antigen influences survival of patients treated for malignant gliomas in the CMN SXXI Pediatrics Hospital.
  • METHODS: We included patients with anaplasic astrocitoma or glioblastoma multiforme seen at our hospital between 1995 and 2005.
  • We determined the expression of Ki67 by immunohistochemistry and correlated the findings with tumor histology and patient survival.
  • CONCLUSIONS: Being young (under 11 years) is a marker of poor prognosis among pediatric patients with anaplasic astrocytoma or glioblastoma multiforme.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / mortality. Brain Neoplasms / metabolism. Brain Neoplasms / mortality. Ki-67 Antigen / biosynthesis

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  • (PMID = 20626127.001).
  • [ISSN] 0016-3813
  • [Journal-full-title] Gaceta médica de México
  • [ISO-abbreviation] Gac Med Mex
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Mexico
  • [Chemical-registry-number] 0 / Ki-67 Antigen
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58. Zhou YH, Hess KR, Liu L, Linskey ME, Yung WK: Modeling prognosis for patients with malignant astrocytic gliomas: quantifying the expression of multiple genetic markers and clinical variables. Neuro Oncol; 2005 Oct;7(4):485-94
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  • [Title] Modeling prognosis for patients with malignant astrocytic gliomas: quantifying the expression of multiple genetic markers and clinical variables.
  • The disparate lengths of survival among patients with malignant astrocytic gliomas (anaplastic astrocytomas [AAs] and glioblastoma multiforme [GBM]) cannot be adequately accounted for by clinical variables (patient age, histology, and recurrent status).
  • We previously explicated the expression and prognostic value of PAX6, PTEN, VEGF, and EGFR in these glioma tissues and established a comprehensive prognostic model (Zhou et al., 2003).
  • This study attempts to improve that model by including four additional genetic markers, which exhibited a differential expression (P < 0.001) among tumor grades and between tumor and normal tissues.
  • This finding suggests that the expression of IGFBP2 is associated with pathways activated specifically in GBMs that result in enhancing invasiveness and angiogenesis.
  • [MeSH-major] Astrocytoma / genetics. Biomarkers, Tumor / analysis. Brain Neoplasms / genetics. Models, Statistical

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  • [Cites] Cancer Res. 2003 Oct 15;63(20):6962-70 [14583498.001]
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  • (PMID = 16212813.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Genetic Markers; 0 / Insulin-Like Growth Factor Binding Protein 2; 0 / Ribosomal Proteins; 0 / ribosomal protein S9; EC 3.4.24.24 / Matrix Metalloproteinase 2
  • [Other-IDs] NLM/ PMC1871729
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59. Azad S, Kudesia S, Chawla N, Azad R, Singhal M, Rai SM, Arora P: Pilomyxoid astrocytoma. Indian J Pathol Microbiol; 2010 Apr-Jun;53(2):294-6
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  • [Title] Pilomyxoid astrocytoma.
  • Pilomyxoid astrocytoma (PMA) is a recently described brain tumor.
  • PMA shares similar features with pilocytic astrocytoma (PA), the most common central nervous system (CNS) tumor in the pediatric population, yet displays subtle histologic differences.
  • The histological findings revealed a tumor composed of a monotonous population of loosely arranged cells with delicate piloid like processes, within a prominent myxoid background.
  • The tumor lacked biphasic appearance, Rosenthal fibers, eosinophilic granular bodies and calcification that are commonly observed in classical PA.
  • [MeSH-major] Astrocytoma / diagnosis. Astrocytoma / pathology. Brain Neoplasms / diagnosis. Brain Neoplasms / pathology

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  • (PMID = 20551536.001).
  • [ISSN] 0974-5130
  • [Journal-full-title] Indian journal of pathology & microbiology
  • [ISO-abbreviation] Indian J Pathol Microbiol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] India
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60. Misra A, Chattopadhyay P, Chosdol K, Sarkar C, Mahapatra AK, Sinha S: Clonal mutations in primary human glial tumors: evidence in support of the mutator hypothesis. BMC Cancer; 2007;7:190
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  • BACKGROUND: A verifiable consequence of the mutator hypothesis is that even low grade neoplasms would accumulate a large number of mutations that do not influence the tumor phenotype (clonal mutations).
  • In this study, we have attempted to quantify the number of clonal mutations in primary human gliomas of astrocytic cell origin.
  • These alterations were identified in tumor tissue, microscopically confirmed to have over 70% neoplastic cells.
  • METHODS: Random Amplified Polymorphic DNA (RAPD) analysis was performed using a set of fifteen 10-mer primers of arbitrary but definite sequences in 17 WHO grade II astrocytomas (low grade diffuse astrocytoma or DA) and 16 WHO grade IV astrocytomas (Glioblastoma Multiforme or GBM).
  • The RAPD profile of the tumor tissue was compared with that of the leucocyte DNA of the same patient and alteration(s) scored.
  • CONCLUSION: This study demonstrates the presence of extensive clonal mutations in gliomas, more in lower grade.
  • This is consistent with our earlier work demonstrating that technique like RAPD analysis, unbiased for locus, is able to demonstrate more intra-tumor genetic heterogeneity in lower grade gliomas compared to higher grade.
  • [MeSH-minor] Cell Line, Tumor. Cloning, Molecular. DNA / metabolism. DNA Primers / chemistry. Data Interpretation, Statistical. Glioma / genetics. Humans. Leukocytes / metabolism. Models, Genetic. Models, Theoretical. Polymerase Chain Reaction. Polymorphism, Genetic. Reproducibility of Results

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  • (PMID = 17925012.001).
  • [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 / DNA Primers; 9007-49-2 / DNA
  • [Other-IDs] NLM/ PMC2190769
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61. Li X, Wang Y, Wang Y, Zhen H, Yang H, Fei Z, Zhang J, Liu W, Wang Y, Zhang X: Expression of EphA2 in human astrocytic tumors: correlation with pathologic grade, proliferation and apoptosis. Tumour Biol; 2007;28(3):165-72
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  • [Title] Expression of EphA2 in human astrocytic tumors: correlation with pathologic grade, proliferation and apoptosis.
  • A high expression of EphA2 has been detected in many non-central nervous system tumors; however, the EphA2 expression in brain astrocytic tumors remains unclear.
  • In this study, we investigated the expression of EphA2 mRNA and protein in 90 cases of human astrocytic tumors by reverse transcription polymerase chain reaction and immunohistochemistry, respectively.
  • The proliferative index (PI) of tumor cells was evaluated by Ki-67 immunohistochemistry, and the apoptotic index (AI) was determined by TdT-mediated dUTP nick end labeling assay.
  • The correlation between EphA2 expression, pathologic grade, proliferation and apoptosis of astrocytic tumors was further analyzed.
  • Therefore, EphA2 may be a new biomarker for astrocytic tumors.
  • It may also affect the proliferation and apoptosis of tumor cells and be an attractive therapy target for astrocytic tumors.
  • [MeSH-major] Astrocytoma / genetics. Astrocytoma / pathology. Brain Neoplasms / genetics. Brain Neoplasms / pathology. Receptor, EphA2 / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Apoptosis. Cell Division. Child. Female. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. Male. Middle Aged. Neoplasm Staging. RNA, Messenger / genetics

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  • [Copyright] Copyright 2007 S. Karger AG, Basel.
  • (PMID = 17519535.001).
  • [ISSN] 1010-4283
  • [Journal-full-title] Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine
  • [ISO-abbreviation] Tumour Biol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / RNA, Messenger; EC 2.7.10.1 / Receptor, EphA2
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62. Elsir T, Eriksson A, Orrego A, Lindström MS, Nistér M: Expression of PROX1 Is a common feature of high-grade malignant astrocytic gliomas. J Neuropathol Exp Neurol; 2010 Feb;69(2):129-38
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  • [Title] Expression of PROX1 Is a common feature of high-grade malignant astrocytic gliomas.
  • PROX1 is a prospero-related transcription factor that plays a critical role in the development of various organs including the mammalian lymphatic and central nervous systems; it controls cell proliferation and differentiation through different transcription pathwaysand has both oncogenic and tumor-suppressive functions.
  • We investigated PROX1 expression patterns in 56 human astrocytic gliomas of different grades using immunohistochemistry.
  • An average of 79% of cells in World Health Organization Grade IV (glioblastoma, n = 15) and 57% of cells in World Health Organization Grade III (anaplastic astrocytoma, n = 13) were strongly PROX1 positive; low-grade diffuse astrocytomas (Grade II, n = 13) had 21% of cells that were strongly positive; Grade I tumors (n = 15) had 1.5%; and non-neoplastic brain tissue (n = 15) had 3.7% of cells that were PROX1 positive.
  • Analyses of coexpression with proliferation markers suggest that PROX1+ cells have a marginally lower rate of proliferation than other tumor cells but are still mitotically active.
  • We conclude that PROX1 may constitute a useful tool for the diagnosis and grading ofastrocytic gliomas and for distinguishing Grade III and Grade IV tumors from Grade I and Grade II tumors.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. Homeodomain Proteins / metabolism. Tumor Suppressor Proteins / metabolism
  • [MeSH-minor] Antigens, Nuclear / metabolism. Biomarkers / metabolism. Brain Diseases / metabolism. Cell Proliferation. Humans. Immunohistochemistry. Microtubule-Associated Proteins / metabolism. Microvessels / metabolism. Mitosis. Nerve Tissue Proteins / metabolism. Tubulin / metabolism

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  • (PMID = 20084020.001).
  • [ISSN] 1554-6578
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Nuclear; 0 / Biomarkers; 0 / Homeodomain Proteins; 0 / MAP2 protein, human; 0 / Microtubule-Associated Proteins; 0 / Nerve Tissue Proteins; 0 / Tubulin; 0 / Tumor Suppressor Proteins; 0 / neuronal nuclear antigen NeuN, human; 0 / prospero-related homeobox 1 protein
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63. Pascual-Castroviejo I, Pascual-Pascual SI, Velázquez-Fragua R, Viaño J, Carceller F, Hernández-Moneo JL, Gutiérrez-Molina M, Morales C: [Subependymal giant cell astrocytoma in tuberous sclerosis complex. A presentation of eight paediatric patients]. Neurologia; 2010 Jun;25(5):314-21
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  • [Title] [Subependymal giant cell astrocytoma in tuberous sclerosis complex. A presentation of eight paediatric patients].
  • [Transliterated title] Astrocitoma subependimario de células gigantes en el complejo de esclerosis tuberosa. Presentación de ocho pacientes infantiles.
  • OBJECTIVE: Presentation of 8 patients with subependymal giant-cell astrocytomas (SGCA) associated with tuberous sclerosis complex (TSC).
  • [MeSH-major] Astrocytoma / etiology. Astrocytoma / pathology. Brain Neoplasms / etiology. Brain Neoplasms / pathology. Tuberous Sclerosis


64. Azad A, Deb S, Cher L: Primary anaplastic pilocytic astrocytoma. J Clin Neurosci; 2009 Dec;16(12):1704-6
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  • [Title] Primary anaplastic pilocytic astrocytoma.
  • We report two adult patients with pilocytic astrocytomas with anaplastic features at initial diagnosis.
  • Pilocytic astrocytomas are low-grade astrocytomas that occur rarely in adults.
  • Initial presentation of a pilocytic astrocytoma with anaplastic features is particularly uncommon and making a definitive diagnosis of pilocytic astrocytoma with anaplastic features can be challenging.
  • It is critical to differentiate glioblastoma (World Health Organization [WHO] grade 4) and pilocytic astrocytoma with anaplastic features (WHO grade 3) from pilocytic astrocytoma (WHO grade 1) as there are significant therapeutic and prognostic implications.
  • Improved therapeutic strategies are required for pilocytic astrocytomas with anaplastic features.
  • [MeSH-major] Anaplasia / complications. Astrocytoma / complications. Brain Neoplasms / complications

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  • (PMID = 19815416.001).
  • [ISSN] 1532-2653
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Scotland
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65. Torp SH, Bringedal K, Dalen A: Immunohistochemical detection of epidermal growth factor receptor in human high-grade astrocytomas--a comparison between frozen- and paraffin sections. J Exp Clin Cancer Res; 2005 Mar;24(1):89-92
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  • [Title] Immunohistochemical detection of epidermal growth factor receptor in human high-grade astrocytomas--a comparison between frozen- and paraffin sections.
  • The overexpression of epidermal growth factor receptor (EGFR) in human astrocytic tumours is associated with the oncogenesis of these tumours.
  • The aim of this study was to assess EGFR expression in human high-grade astrocytomas by means of immunohistochemistry on formalin-fixed, paraffin-embedded sections and to compare these findings with the results of our previous study on frozen sections from these tumours, in which we found about 60% EGFR positivity (10).
  • Four anaplastic astrocytomas and 19 glioblastomas were included in this study.
  • With E30, 3 out of 4 anaplastic astrocytomas (75%) and 12 out of 19 glioblastomas (63%) were found to express EGFR whereas Ab-4 demonstrated positive EGFR immunoreactivity in most of the tumours (18/19 glioblastomas and all the 4 anaplastic astrocytomas).
  • In conclusion, immunohistochemistry represents a reliable and convenient technique for the detection of EGFR in tissue sections of human high-grade astrocytomas, and that EGFR immunoreactivity is comparable in frozen- and paraffin sections from these tumours.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Frozen Sections. Paraffin Embedding. Receptor, Epidermal Growth Factor / metabolism
  • [MeSH-minor] Humans. Immunohistochemistry. Neoplasm Staging

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  • (PMID = 15943037.001).
  • [ISSN] 0392-9078
  • [Journal-full-title] Journal of experimental & clinical cancer research : CR
  • [ISO-abbreviation] J. Exp. Clin. Cancer Res.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Italy
  • [Chemical-registry-number] EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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66. Kuhn SA, Hanisch UK, Ebmeier K, Beetz C, Brodhun M, Reichart R, Ewald C, Deufel T, Kalff R: A paediatric supratentorial primitive neuroectodermal tumour associated with malignant astrocytic transformation and a clonal origin of both components. Neurosurg Rev; 2007 Apr;30(2):143-9; discussion 149

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  • [Title] A paediatric supratentorial primitive neuroectodermal tumour associated with malignant astrocytic transformation and a clonal origin of both components.
  • The case of a 7-year-old boy suffering from a supratentorial primitive neuroectodermal tumour (sPNET) at the age of 5 is presented.
  • The tumour has been characterized by astrocytic areas within the sPNET revealing malignant transformation up to a multiform glioblastoma during the course of the disease.
  • [MeSH-major] Glioblastoma / pathology. Neoplasm Recurrence, Local / pathology. Neuroectodermal Tumors, Primitive / pathology. Supratentorial Neoplasms / pathology

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  • (PMID = 17333087.001).
  • [ISSN] 0344-5607
  • [Journal-full-title] Neurosurgical review
  • [ISO-abbreviation] Neurosurg Rev
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
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67. Murakami R, Hirai T, Sugahara T, Fukuoka H, Toya R, Nishimura S, Kitajima M, Okuda T, Nakamura H, Oya N, Kuratsu J, Yamashita Y: Grading astrocytic tumors by using apparent diffusion coefficient parameters: superiority of a one- versus two-parameter pilot method. Radiology; 2009 Jun;251(3):838-45
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  • [Title] Grading astrocytic tumors by using apparent diffusion coefficient parameters: superiority of a one- versus two-parameter pilot method.
  • PURPOSE: To assess the utility of both minimum apparent diffusion coefficients (ADCs) and ADC difference values for grading astrocytic tumors at magnetic resonance imaging.
  • Fifty patients (23 male patients, 27 female patients; median age, 53 years) with newly diagnosed astrocytic tumors were evaluated.
  • Two observers blinded to clinical information independently measured the ADCs by manually placing three to five regions of interest (40-60 mm(2)) within the solid tumor either with or without contrast material-enhanced components and calculated the average ADC.
  • These ADC values were used as the parameters for tumor grading and were compared by using the Kruskal-Wallis test and receiver operating characteristic (ROC) curve analysis.
  • RESULTS: According to ROC analyses for distinguishing tumor grade, minimum ADCs showed the largest areas under the ROC curve.
  • CONCLUSION: Using a combination of minimum ADCs and ADC difference values (the two-parameter method) facilitates the accurate grading of astrocytic tumors.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Diffusion Magnetic Resonance Imaging / methods
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Child, Preschool. Contrast Media. Female. Gadolinium DTPA. Humans. Image Interpretation, Computer-Assisted. Male. Middle Aged. Neoplasm Staging. Pilot Projects. ROC Curve. Retrospective Studies

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  • (PMID = 19318585.001).
  • [ISSN] 1527-1315
  • [Journal-full-title] Radiology
  • [ISO-abbreviation] Radiology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media; K2I13DR72L / Gadolinium DTPA
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68. Stremenova J, Krepela E, Mares V, Trim J, Dbaly V, Marek J, Vanickova Z, Lisa V, Yea C, Sedo A: Expression and enzymatic activity of dipeptidyl peptidase-IV in human astrocytic tumours are associated with tumour grade. Int J Oncol; 2007 Oct;31(4):785-92
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  • [Title] Expression and enzymatic activity of dipeptidyl peptidase-IV in human astrocytic tumours are associated with tumour grade.
  • This study was set up to address the relative representation and enzymatic activity of plasma membrane localized DPP-IV/CD26 and FAP-alpha in human brain and astrocytic tumours.
  • In parallel, expression of CXCR4, receptor for glioma cell growth stimulator chemokine SDF-1alpha known to be a DPP-IV substrate, was investigated.
  • This is the first report showing that non-malignant brain tissue contains a DPP-IV-like enzymatic activity attributable mostly to DPP-8/9, while the substantial part of the activity in glioma is due to increased DPP-IV/CD26, localized in both the vascular and parenchymal compartments.
  • These data might support a role for DPP-IV regulation of the CXCR4-SDF-1alpha axis in glioma development.
  • [MeSH-major] Astrocytoma / enzymology. Astrocytoma / genetics. Dipeptidyl Peptidase 4 / genetics. Dipeptidyl Peptidase 4 / metabolism. Gene Expression Regulation, Enzymologic / physiology
  • [MeSH-minor] Adult. Aged. Antigens, Neoplasm / genetics. Antigens, Neoplasm / metabolism. Biomarkers, Tumor / genetics. Biomarkers, Tumor / metabolism. Brain Neoplasms / enzymology. Brain Neoplasms / genetics. Brain Neoplasms / pathology. Cell Membrane / metabolism. Female. Gelatinases. Humans. Immunoenzyme Techniques. Male. Membrane Proteins. Middle Aged. RNA, Messenger / genetics. RNA, Messenger / metabolism. RNA, Neoplasm / genetics. RNA, Neoplasm / metabolism. Receptors, CXCR4 / genetics. Receptors, CXCR4 / metabolism. Reverse Transcriptase Polymerase Chain Reaction. Serine Endopeptidases / genetics. Serine Endopeptidases / metabolism. Tumor Cells, Cultured

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  • (PMID = 17786309.001).
  • [ISSN] 1019-6439
  • [Journal-full-title] International journal of oncology
  • [ISO-abbreviation] Int. J. Oncol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / Membrane Proteins; 0 / RNA, Messenger; 0 / RNA, Neoplasm; 0 / Receptors, CXCR4; EC 3.4.14.5 / Dipeptidyl Peptidase 4; EC 3.4.21.- / Serine Endopeptidases; EC 3.4.21.- / fibroblast activation protein alpha; EC 3.4.24.- / Gelatinases
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69. Perdiki M, Korkolopoulou P, Thymara I, Agrogiannis G, Piperi C, Boviatsis E, Kotsiakis X, Angelidakis D, Diamantopoulou K, Thomas-Tsagli E, Patsouris E: Cyclooxygenase-2 expression in astrocytomas. Relationship with microvascular parameters, angiogenic factors expression and survival. Mol Cell Biochem; 2007 Jan;295(1-2):75-83

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  • [Title] Cyclooxygenase-2 expression in astrocytomas. Relationship with microvascular parameters, angiogenic factors expression and survival.
  • The role of the up-regulation of COX-2 in the formation and progression of gliomas has been dealt with in earlier reports, which describe increased levels of PGs within gliomas.
  • In the present study, we examined the expression of COX-2 in diffuse gliomas of astrocytic origin in relation to microvascular parameters, angiogenic factors and survival.
  • MATERIALS AND METHODS: A total of 83 cases of diffuse astrocytomas (grade II-IV) were analyzed by immunohistochemistry for the presence of COX-2.
  • CONCLUSION: These results implicate COX-2 in the angiogenesis and biological aggressiveness of diffuse astrocytomas, and suggest that it would be worthwhile to examine how the inhibition of COX-2 expression may influence astrocytoma patients' survival.
  • [MeSH-major] Angiogenesis Inducing Agents / metabolism. Astrocytoma / blood supply. Astrocytoma / enzymology. Cyclooxygenase 2 / metabolism. Glioma / blood supply. Glioma / enzymology. Membrane Proteins / metabolism

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  • (PMID = 16868662.001).
  • [ISSN] 0300-8177
  • [Journal-full-title] Molecular and cellular biochemistry
  • [ISO-abbreviation] Mol. Cell. Biochem.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Angiogenesis Inducing Agents; 0 / HIF1A protein, human; 0 / Hypoxia-Inducible Factor 1, alpha Subunit; 0 / Ki-67 Antigen; 0 / Membrane Proteins; 0 / Vascular Endothelial Growth Factor A; EC 1.14.99.1 / Cyclooxygenase 2; EC 1.14.99.1 / PTGS2 protein, human
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70. Yan B, Chour HH, Peh BK, Lim C, Salto-Tellez M: RhoA protein expression correlates positively with degree of malignancy in astrocytomas. Neurosci Lett; 2006 Oct 23;407(2):124-6
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  • [Title] RhoA protein expression correlates positively with degree of malignancy in astrocytomas.
  • Astrocytic tumors are the most common intracranial neoplasms.
  • A molecular marker that provides an objective reference for classification and prognostication of astrocytic tumors would be useful in diagnostic pathology.
  • Based on direct analysis of clinical materials, our study demonstrates increased expression of RhoA in high-grade astrocytomas.
  • This observation may be relevant to astrocytoma biology and the development of potential therapeutics against high-grade astrocytomas.
  • Of more immediate consequence, utilization of this marker may aid in the routine pathological grading (and hence prognostication) of astrocytomas.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / pathology. Brain Neoplasms / metabolism. Brain Neoplasms / pathology. rhoA GTP-Binding Protein / biosynthesis
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Child, Preschool. Female. Humans. Immunohistochemistry. Infant. Male. Middle Aged. Neoplasm Invasiveness / pathology. Paraffin Embedding. Tissue Fixation. Up-Regulation

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  • (PMID = 16978776.001).
  • [ISSN] 0304-3940
  • [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] EC 3.6.5.2 / rhoA GTP-Binding Protein
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71. Odreman F, Vindigni M, Gonzales ML, Niccolini B, Candiano G, Zanotti B, Skrap M, Pizzolitto S, Stanta G, Vindigni A: Proteomic studies on low- and high-grade human brain astrocytomas. J Proteome Res; 2005 May-Jun;4(3):698-708
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  • [Title] Proteomic studies on low- and high-grade human brain astrocytomas.
  • Human brain astrocytomas range from the indolent low-grade to the highly infiltrating and aggressive high-grade form, also known as glioblastoma multiforme.
  • The extensive heterogeneity of astrocytic tumors complicates their pathological classification.
  • In this study, we compared the protein pattern of low-grade fibrillary astrocytomas to that of glioblastoma multiforme by 2D electrophoresis.
  • These data provide an initial reference map for brain gliomas.
  • Among the proteins more highly expressed in glioblastoma multiforme, we found peroxiredoxin 1 and 6, the transcription factor BTF3, and alpha-B-crystallin, whereas protein disulfide isomerase A3, the catalytic subunit of the cAMP-dependent protein kinase, and the glial fibrillary acidic protein are increased in low-grade astrocytomas.
  • Our findings contribute to deepening our knowledge of the factors that characterize this class of tumors and, at the same time, can be applied toward the development of novel molecular biomakers potentially useful for an accurate classification of the grade of astrocytomas.
  • [MeSH-major] Astrocytoma / chemistry. Neoplasm Proteins / analysis. Proteomics

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  • (PMID = 15952716.001).
  • [ISSN] 1535-3893
  • [Journal-full-title] Journal of proteome research
  • [ISO-abbreviation] J. Proteome Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Neoplasm Proteins
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72. Li J, Zhang H, Wu J, Guan H, Yuan J, Huang Z, Li M: Prognostic significance of integrin-linked kinase1 overexpression in astrocytoma. Int J Cancer; 2010 Mar 15;126(6):1436-44
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  • [Title] Prognostic significance of integrin-linked kinase1 overexpression in astrocytoma.
  • However, the clinical and functional significance of ILK1 expression has not been characterized previously in human astrocytoma.
  • In this study, we found that ILK1 was overexpressed, at both mRNA and protein levels, in astrocytoma cell lines as compared with normal human astrocytes.
  • The ILK1 mRNA and protein were significantly increased up to 5.6-fold and 10.1-fold, respectively, in primary astrocytoma in comparison with the paired adjacent noncancerous brain tissues obtained from the same patient.
  • Furthermore, immunohistochemical analysis revealed that ILK1 protein was positive in 208 of 228 (91.2%) paraffin-embedded archival astrocytoma specimens.
  • Statistical analysis suggested that the upregulation of ILK1 was significantly correlated with the histological grading of astrocytoma (p = 0.000), and that patients with high ILK1 level exhibited shorter survival time (p < 0.001).
  • Multivariate analysis revealed that ILK1 upregulation might be an independent prognostic indicator for the survival of patients with astrocytoma.
  • Taken together, our results suggest that ILK1 might represent a novel and useful prognostic marker for astrocytoma and play a role during the development and progression of the disease.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Gene Expression Regulation, Neoplastic. Protein-Serine-Threonine Kinases / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / genetics. Biomarkers, Tumor / metabolism. Blotting, Western. Female. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Male. Middle Aged. Multivariate Analysis. Neoplasm Staging. Prognosis. Reverse Transcriptase Polymerase Chain Reaction. Up-Regulation

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  • (PMID = 19676046.001).
  • [ISSN] 1097-0215
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.7.1.- / integrin-linked kinase; EC 2.7.11.1 / Protein-Serine-Threonine Kinases
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73. Darwish B, Arbuckle S, Kellie S, Besser M, Chaseling R: Desmoplastic infantile ganglioglioma/astrocytoma with cerebrospinal metastasis. J Clin Neurosci; 2007 May;14(5):498-501
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  • [Title] Desmoplastic infantile ganglioglioma/astrocytoma with cerebrospinal metastasis.
  • Desmoplastic infantile ganglioglioma and astrocytoma (DIG/DIA) are rare intracranial tumours of early childhood that involve superficial cerebral cortex and leptomeninges.


74. Addo-Yobo SO, Straessle J, Anwar A, Donson AM, Kleinschmidt-Demasters BK, Foreman NK: Paired overexpression of ErbB3 and Sox10 in pilocytic astrocytoma. J Neuropathol Exp Neurol; 2006 Aug;65(8):769-75
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  • [Title] Paired overexpression of ErbB3 and Sox10 in pilocytic astrocytoma.
  • Pilocytic astrocytoma (PA) is the most common glioma of childhood.
  • Using gene expression microarray and Western blot analyses, we found that ErbB3 is highly overexpressed in PA compared with other pediatric brain tumors (glioblastoma, ependymoma, medulloblastoma, atypical teratoid/rhabdoid tumor, and choroid plexus papilloma).
  • [MeSH-major] Astrocytoma / genetics. Biomarkers, Tumor / genetics. Brain Neoplasms / genetics. DNA-Binding Proteins / genetics. Gene Expression Regulation, Neoplastic / genetics. High Mobility Group Proteins / genetics. Receptor, ErbB-3 / genetics. Transcription Factors / genetics
  • [MeSH-minor] Adolescent. Blotting, Western. Cell Transformation, Neoplastic / genetics. Cell Transformation, Neoplastic / metabolism. Child, Preschool. Female. Gene Expression Profiling. Genetic Linkage / genetics. Genetic Markers / genetics. Genetic Predisposition to Disease / genetics. Humans. Hypothalamic Neoplasms / genetics. Hypothalamic Neoplasms / metabolism. Hypothalamic Neoplasms / physiopathology. Male. Neural Crest / metabolism. Neural Crest / physiopathology. Oligonucleotide Array Sequence Analysis. SOXE Transcription Factors


75. Li C, Ai B, Li Y, Qi H, Wu L: Susceptibility-weighted imaging in grading brain astrocytomas. Eur J Radiol; 2010 Jul;75(1):e81-5
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  • [Title] Susceptibility-weighted imaging in grading brain astrocytomas.
  • OBJECTIVE: To evaluate the value of intratumoral vessels and micro-hemorrhage shown in susceptibility weighted imaging (SWI) for grading brain astrocytomas and to analyze the difference between SWI and conventional imaging techniques.
  • METHODS: 22 patients with astrocytomas were diagnosed with surgical specimens, 9 of which were grades I-II, and 13 were grades III-IV.
  • RESULTS: The findings in SW images of brain astrocytomas were correlated strongly with pathology.
  • SWI was more sensitive compared to conventional imaging techniques for showing small vessels and micro-hemorrhage in brain astrocytomas.
  • Statistical comparison showed that the small vessels and micro-hemorrhage of two groups of brain astrocytomas in SW images differed significantly.
  • CONCLUSION: SWI is superior to conventional imaging techniques at showing the small vessels and micro-hemorrhage in brain astrocytomas, which plays an important role in the tumor grading.
  • [MeSH-major] Algorithms. Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Image Enhancement / methods. Image Interpretation, Computer-Assisted / methods. Magnetic Resonance Imaging / methods

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  • [Copyright] Copyright 2009 Elsevier Ireland Ltd. All rights reserved.
  • (PMID = 19726149.001).
  • [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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76. Neves AM, Thompson G, Carvalheira J, Trindade JC, Rueff J, Caetano JM, Casey JW, Hermouet S: Detection and quantitative analysis of human herpesvirus in pilocytic astrocytoma. Brain Res; 2008 Jul 24;1221:108-14
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  • [Title] Detection and quantitative analysis of human herpesvirus in pilocytic astrocytoma.
  • Thirty-five samples of pilocytic astrocytoma and 10 control samples of cerebellum from patients who died of unrelated diseases were examined.
  • HHV's DNA polymerase was found present in 20 samples (7 controls, 13 astrocytomas) and was absent in 25 samples (3 controls, 22 astrocytomas).
  • DNA polymerase of Epstein-Barr Virus (EBV) was present in 16 samples, 7/10 controls (70%) and 9/35 astrocytomas (26%).
  • A second approach was to search for novel HHVs, using consensus-degenerated hybrid oligonucleotide primers (CODEHOP) PCR: no sequence indicative of a new HHV was detected.
  • In summary, EBV was the most frequent HHV detected in pilocytic astrocytoma, but at very low levels.
  • According to the actually accepted threshold the results suggest that EBV cannot be considered responsible for tumorigenesis of pilocytic astrocytoma.
  • [MeSH-major] Astrocytoma / virology. Cerebellar Neoplasms / virology. DNA, Viral / genetics. Herpesviridae / genetics. Herpesviridae Infections / complications. Herpesviridae Infections / genetics

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  • (PMID = 18565499.001).
  • [ISSN] 0006-8993
  • [Journal-full-title] Brain research
  • [ISO-abbreviation] Brain Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / DNA, Viral; EC 2.7.7.- / DNA Polymerase III; EC 2.7.7.- / DNA polymerase A
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77. Arslantas A, Artan S, Oner U, Müslümanoglu MH, Ozdemir M, Durmaz R, Arslantas D, Vural M, Cosan E, Atasoy MA: Genomic alterations in low-grade, anaplastic astrocytomas and glioblastomas. Pathol Oncol Res; 2007;13(1):39-46
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  • [Title] Genomic alterations in low-grade, anaplastic astrocytomas and glioblastomas.
  • To extend our understanding of potential stepwise genetic alterations that may underlie tumor progression from low-grade astrocytomas to glioblastomas, histopathologic and comparative genomic hybridization analyses were performed on tumor specimens from 68 primary lesions, including 40 glioblastomas, 10 anaplastic and 18 low-grade astrocytomas.
  • A gain of 7/7q was common and the most frequently seen aberration in low-grade astrocytomas, whereas loss of 10q was the most frequently seen anomaly in anaplastic astrocytomas and glioblastomas.
  • Chromosome 10/10q deletion and combination of 1p, 19q and 17p deletions were specific to high-grade astrocytic tumors.
  • Sequences of chromosome 7 and 10 seem to have pivotal roles in the biology of human gliomas.
  • The genomic copy deletions of chromosomes 1p and 19q might provide an alternative mechanism in the genesis of astrocytomas.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Chromosome Aberrations. Chromosome Deletion. Glioblastoma / genetics

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  • (PMID = 17387387.001).
  • [ISSN] 1219-4956
  • [Journal-full-title] Pathology oncology research : POR
  • [ISO-abbreviation] Pathol. Oncol. Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
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78. Dong L, Pu PY, Wang H, Wang GX, Kang CS, Jiao DR: [Study on the expression of epidermal growth factor receptor and p53 in astrocytic gliomas: evidence for a distinct genetic pathway]. Zhonghua Bing Li Xue Za Zhi; 2006 Apr;35(4):232-6
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  • [Title] [Study on the expression of epidermal growth factor receptor and p53 in astrocytic gliomas: evidence for a distinct genetic pathway].
  • OBJECTIVE: To study further the most important and frequent genetic alterations of p53 and epidermal growth factor receptor (EGFR) in astrocytic gliomas. METHODS:.
  • (1) EGFR expression was examined in samples collected from 37 astrocytic gliomas and 6 normal brain tissue using reverse transcriptase polymerase chain reaction and immunohistochemical staining. (2) p53 gene mutation and accumulation were detected simultaneously in the same specimens using PCR-SSCP, DNA sequencing and immunohistochemical staining.
  • RESULTS: The frequency of p53 mutation in diffuse astrocytomas, anaplastic astrocytomas, primary glioblastomas and secondary glioblastomas was 1/10, 4/19 (21.1%), 4/6 and 2/2, respectively and the frequency of EGFR overexpression was 5/10, 10/19 (52.6%), 5/6 and 2/2, respectively.
  • Both p53 accumulation and EGFR overexpression increased accompanied by a successive increase of degree of the glioma malignancy.
  • CONCLUSIONS: EGFR overexpression is not infrequently seen, however, p53 mutation is rarely seen in the low grade gliomas.
  • Consequently, EGFR overexpression and p53 gene mutation are not mutually exclusive in astrocytic gliomagenesis but synergistically to promote the glioma progression.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Receptor, Epidermal Growth Factor / genetics. Tumor Suppressor Protein p53 / genetics

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  • (PMID = 16776982.001).
  • [ISSN] 0529-5807
  • [Journal-full-title] Zhonghua bing li xue za zhi = Chinese journal of pathology
  • [ISO-abbreviation] Zhonghua Bing Li Xue Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / RNA, Messenger; 0 / Tumor Suppressor Protein p53; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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79. Xu P, Qiu M, Zhang Z, Kang C, Jiang R, Jia Z, Wang G, Jiang H, Pu P: The oncogenic roles of Notch1 in astrocytic gliomas in vitro and in vivo. J Neurooncol; 2010 Mar;97(1):41-51
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  • [Title] The oncogenic roles of Notch1 in astrocytic gliomas in vitro and in vivo.
  • Deregulation of Notch signaling has been implicated in some genetic diseases and tumorigenesis.
  • The function of Notch signaling in a variety of tumors can be either oncogenic or tumor-suppressive, depending on the cellular context.
  • In this study, Notch1 overexpression was observed in the majority of 45 astrocytic gliomas with different grades and in U251MG glioma cells.
  • Meanwhile, tumor growth was delayed in established subcutaneous gliomas in nude mice treated with Notch1 siRNA in vivo.
  • These results suggest that Notch1 plays an important oncogenic role in the development and progression of astrocytic gliomas.
  • [MeSH-major] Astrocytoma / genetics. Gene Expression Regulation, Neoplastic / physiology. Receptor, Notch1 / genetics
  • [MeSH-minor] Animals. Annexin A5 / metabolism. Apoptosis / drug effects. Apoptosis / physiology. Cell Cycle / drug effects. Cell Cycle / physiology. Cell Line, Tumor. Cell Proliferation / drug effects. Cyclin D1 / metabolism. Disease Models, Animal. Flow Cytometry / methods. Humans. In Situ Nick-End Labeling / methods. Matrix Metalloproteinase 9 / metabolism. Mice. Oncogene Protein v-akt / metabolism. Phosphatidylinositol 3-Kinases / metabolism. Proliferating Cell Nuclear Antigen / metabolism. Proto-Oncogene Proteins p21(ras) / metabolism. RNA, Small Interfering / pharmacology. RNA, Small Interfering / therapeutic use. Receptor, Epidermal Growth Factor / metabolism. Signal Transduction / drug effects. Signal Transduction / genetics. Transfection / methods

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  • (PMID = 19771395.001).
  • [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 / Annexin A5; 0 / Proliferating Cell Nuclear Antigen; 0 / RNA, Small Interfering; 0 / Receptor, Notch1; 136601-57-5 / Cyclin D1; EC 2.7.1.- / Phosphatidylinositol 3-Kinases; EC 2.7.10.1 / EGFR protein, human; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 2.7.11.1 / Oncogene Protein v-akt; EC 3.4.24.35 / Matrix Metalloproteinase 9; EC 3.6.5.2 / Proto-Oncogene Proteins p21(ras)
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80. Freitas MR, de Muzio SD, Pessoa RC, Stávale JN, Borges LR, Malheiros SM: [Diffuse bone marrow metastasis in cerebellar high-grade astrocytoma. A case report]. Rev Neurol; 2009 Mar 1-15;48(5):242-4
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  • [Title] [Diffuse bone marrow metastasis in cerebellar high-grade astrocytoma. A case report].
  • [Transliterated title] Metastasis difusa de la medula osea en un astrocitoma cerebeloso de alto grado. Un caso clinico.
  • INTRODUCTION: Cerebellar high-grade astrocytoma is uncommon.
  • Although more prone to present cerebrospinal fluid dissemination, the cerebellar location is not particularly related to the occurrence of extra-cranial metastases, which are also unusual in supratentorial malignant gliomas.
  • CASE REPORT: A 46 year-old man with cerebellar anaplastic astrocytoma who developed pancytopenia due to extensive bone marrow metastases.
  • CONCLUSION: Extraneural metastases of brain gliomas are rare and the spread to the bone marrow confers an extremely poor prognosis for these patients.
  • The expected improvement in glioma patients' survival due to the combination of more efficient therapies may lead to an increased incidence of this uncommon presentation, justifying a more rigorous follow-up of systemic manifestations.
  • [MeSH-major] Astrocytoma / pathology. Bone Marrow Neoplasms / secondary. Cerebellar Neoplasms / pathology

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  • (PMID = 19263392.001).
  • [ISSN] 1576-6578
  • [Journal-full-title] Revista de neurologia
  • [ISO-abbreviation] Rev Neurol
  • [Language] spa
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Spain
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81. Kanamori M, Kumabe T, Watanabe M, Tominaga T: Anaplastic astrocytoma and anaplastic oligodendroglioma occurring 6 years after subtotal resection of a central neurocytoma. Case report. J Neurosurg; 2007 Jul;107(1):185-9
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  • [Title] Anaplastic astrocytoma and anaplastic oligodendroglioma occurring 6 years after subtotal resection of a central neurocytoma. Case report.
  • The authors present the case of a 51-year-old man who presented with an anaplastic astrocytoma and anaplastic oligodendroglioma that developed 6 years after subtotal resection of a central neurocytoma in his right lateral ventricle.
  • Histological examination revealed anaplastic oligodendroglioma in the parietal lobe and anaplastic astrocytoma in the insula.
  • One year later, the anaplastic astrocytoma was found to have transformed into a glioblastoma multiforme.
  • These findings suggest that central neurocytoma or progenitor cells have the potential for oligodendrocytic and astrocytic transformation with different genetic aberrations.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Neoplasm Recurrence, Local / pathology. Neurocytoma / surgery. Oligodendroglioma / pathology
  • [MeSH-minor] Cell Transformation, Neoplastic. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm Staging. Neurosurgical Procedures. Time Factors


82. Khalatbari M, Borghei-Razavi H, Shayanfar N, Behzadi AH, Sepehrnia A: Collision tumor of meningioma and malignant astrocytoma. Pediatr Neurosurg; 2010;46(5):357-61
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  • [Title] Collision tumor of meningioma and malignant astrocytoma.
  • The pathology of tumors reported collision tumors composed of meningioma and malignant astrocytoma.
  • [MeSH-major] Astrocytoma / surgery. Brain Neoplasms / surgery. Meningeal Neoplasms / surgery. Meningioma / surgery

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  • [Copyright] Copyright © 2011 S. Karger AG, Basel.
  • (PMID = 21389747.001).
  • [ISSN] 1423-0305
  • [Journal-full-title] Pediatric neurosurgery
  • [ISO-abbreviation] Pediatr Neurosurg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Switzerland
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83. Sanders RP, Kocak M, Burger PC, Merchant TE, Gajjar A, Broniscer A: High-grade astrocytoma in very young children. Pediatr Blood Cancer; 2007 Dec;49(7):888-93
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  • [Title] High-grade astrocytoma in very young children.
  • BACKGROUND: High-grade astrocytomas are rare in young children, but have been reported to have a better prognosis than similar tumors in older patients.
  • PROCEDURE: We retrospectively reviewed the clinical characteristics, survival, and long-term sequelae for patients younger than 3 years old with high-grade astrocytoma, treated at a single institution between 1984 and 2005.
  • Histology included anaplastic astrocytoma (n = 9), glioblastoma multiforme (n = 5), and malignant glioma (n = 2).
  • Six patients received scheduled irradiation and six were irradiated at the time of disease progression.
  • CONCLUSIONS: Young children with high-grade astrocytoma have better long-term overall survival than older patients, but recurrence is common, and most children require irradiation.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Astrocytoma / therapy. Brain Neoplasms / therapy
  • [MeSH-minor] Age Factors. Child, Preschool. Disease Progression. Female. Follow-Up Studies. Humans. Infant. Male. Neuropsychological Tests. Predictive Value of Tests. Prognosis. Recurrence. Retrospective Studies. Survival Rate. Treatment Outcome

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  • [Copyright] 2007 Wiley-Liss, Inc
  • [CommentIn] Pediatr Blood Cancer. 2007 Dec;49(7):879-80 [17941062.001]
  • (PMID = 17554787.001).
  • [ISSN] 1545-5009
  • [Journal-full-title] Pediatric blood & cancer
  • [ISO-abbreviation] Pediatr Blood Cancer
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA 21765
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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84. Haapasalo J, Hilvo M, Nordfors K, Haapasalo H, Parkkila S, Hyrskyluoto A, Rantala I, Waheed A, Sly WS, Pastorekova S, Pastorek J, Parkkila AK: Identification of an alternatively spliced isoform of carbonic anhydrase XII in diffusely infiltrating astrocytic gliomas. Neuro Oncol; 2008 Apr;10(2):131-8
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  • [Title] Identification of an alternatively spliced isoform of carbonic anhydrase XII in diffusely infiltrating astrocytic gliomas.
  • CA XII has been proposed to be involved in acidification of the extracellular milieu, creating an appropriate microenvironment for rapid tumor growth.
  • Because RNA sequence databases have indicated that two isoforms of CA XII might exist in human tissues, and because alternatively spliced protein forms have been linked to aggressive behavior of cancer cells, we designed a study to evaluate the presence of the two forms of CA XII in diffuse astrocytomas, a tumor type known for its aggressive and often noncurable behavior.
  • Reverse transcription PCR of tumor samples surprisingly revealed that CA XII present in diffuse astrocytomas is mainly encoded by a shorter mRNA variant.
  • We further showed by Western blotting that anti-CA XII antibody recognized both isoforms in the glioblastoma cell lines, and we then evaluated the expression of CA XII in astrocytomas using immunohistochemistry and correlated the results with various clinicopathological and molecular factors.
  • Of 370 diffusely infiltrating astrocytomas, 363 cases (98%) showed immunoreactions for CA XII.
  • From these results, we conclude that CA XII is commonly expressed in diffuse astrocytomas and that it might be used as a biomarker of poor prognosis.
  • The absence of 11 amino acids in the shorter isoform, which seems to be common in astrocytomas, may affect the normal quaternary structure and biological function of CA XII.
  • [MeSH-major] Astrocytoma / enzymology. Biomarkers, Tumor / analysis. Brain Neoplasms / enzymology. Carbonic Anhydrases / genetics. Carbonic Anhydrases / metabolism

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  • [Cites] Proc Natl Acad Sci U S A. 2000 Feb 29;97(5):2220-4 [10688890.001]
  • (PMID = 18322268.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Isoenzymes; EC 4.2.1.1 / CA13 protein, human; EC 4.2.1.1 / Carbonic Anhydrases
  • [Other-IDs] NLM/ PMC2613815
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85. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Ultrarapid Ki-67 immunostaining in frozen section interpretation of gliomas.
  • BACKGROUND: Astrocytic tumours, the most common gliomas, are often classified intraoperatively using standard morphological staining.
  • The final diagnosis and grading of gliomas on paraffin wax sections is often assisted by Ki-67 immunohistochemistry, but standard immunostaining protocols take too long to be used intraoperatively.
  • 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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86. Rognoni P, Chiarelli LR, Comincini S, Azzalin A, Miracco C, Valentini G: Biochemical signatures of doppel protein in human astrocytomas to support prediction in tumor malignancy. J Biomed Biotechnol; 2010;2010:301067
MedlinePlus Health Information. consumer health - Childhood Brain Tumors.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Biochemical signatures of doppel protein in human astrocytomas to support prediction in tumor malignancy.
  • It is generally absent in the central nervous system, but its coding gene sequence is ectopically expressed in astrocytoma specimens and in derived cell lines.
  • In this paper, we investigated the expression and the biochemical features of Dpl in a panel of 49 astrocytoma specimens of different WHO malignancy grades.
  • Importantly, Dpl exhibited different cellular localizations and altered glycan moieties composition, depending on the tumor grade.
  • Most low-grade astrocytomas (83%) showed a membrane-bound Dpl, like human healthy testis tissue, whereas the majority of high-grade astrocytomas (75%) displayed a cytosolic Dpl.
  • To find associations between glial tumor progression and Dpl biochemical features, predictive bioinformatics approaches were produced.
  • In particular, Decision tree and Nomogram analysis showed well-defined Dpl-based criteria that separately clustered low-and high-grade astrocytomas.
  • Taken together, these findings show that in astrocytomas, Dpl undergoes different molecular processes that might constitute additional helpful tools to characterize the glial tumor progression.
  • [MeSH-major] Astrocytoma / pathology. Biomarkers, Tumor. Brain Neoplasms / pathology. Prions / chemistry. Prions / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Blotting, Western. Cell Membrane / metabolism. Child. Cluster Analysis. Cytoplasm / metabolism. Disease Progression. Female. GPI-Linked Proteins / chemistry. GPI-Linked Proteins / isolation & purification. GPI-Linked Proteins / metabolism. Humans. Immunohistochemistry. Male. Middle Aged. N-Acetylneuraminic Acid / metabolism. Predictive Value of Tests

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  • (PMID = 20981146.001).
  • [ISSN] 1110-7251
  • [Journal-full-title] Journal of biomedicine & biotechnology
  • [ISO-abbreviation] J. Biomed. Biotechnol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / GPI-Linked Proteins; 0 / PRND protein, human; 0 / Prions; GZP2782OP0 / N-Acetylneuraminic Acid
  • [Other-IDs] NLM/ PMC2957138
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87. Zadeh G, Koushan K, Baoping Q, Shannon P, Guha A: Role of angiopoietin-2 in regulating growth and vascularity of astrocytomas. J Oncol; 2010;2010:659231

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Role of angiopoietin-2 in regulating growth and vascularity of astrocytomas.
  • Angiopoietins and Tie2 are angiogenic-specific ligand and receptor complex that have been shown to play a critical role in tumor angiogenesis.
  • Over the last decade, significant research has focused on elucidating the role of Ang2 in cancer biology and its exact role in tumor angiogenesis remains elusive.
  • In this study we have focused on establishing the role of Ang2 in angiogenesis of malignant astrocytomas.
  • We have demonstrated that Ang2 significantly enhances the vascular growth of malignant astrocytomas and constant upregulation of Ang2 throughout all phases of tumor growth generates abnormal vascular structures that are not typically seen in human astrocytomas, suggesting that Ang2 plays a tumor stage-dependent role and is not a consistently elevated throughout all growth stages of malignant astroctyomas.

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  • (PMID = 20467564.001).
  • [ISSN] 1687-8469
  • [Journal-full-title] Journal of oncology
  • [ISO-abbreviation] J Oncol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Egypt
  • [Other-IDs] NLM/ PMC2868187
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88. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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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89. Chen JH, Wu KY, Chiu IM, Tsou TC, Chou CC: Acrylamide-induced astrogliotic and apoptotic responses in human astrocytoma cells. Toxicol In Vitro; 2009 Aug;23(5):855-61
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Acrylamide-induced astrogliotic and apoptotic responses in human astrocytoma cells.
  • This study was to clarify whether acrylamide (ACR) will induce apoptosis and astrogliosis in an astrocytic cell line in vitro.
  • Thus, ACR-induced effects can be seen in neuronal and astrocytic cells.
  • These results suggest that ACR exposure may lead to apoptotic and astrogliotic effects in human astrocytoma cells in vitro in a time- and dose-dependent manner.
  • [MeSH-minor] Astrocytoma / pathology. Cell Line, Tumor. Cell Survival / drug effects. Dose-Response Relationship, Drug. Glial Fibrillary Acidic Protein / drug effects. Humans. L-Lactate Dehydrogenase / metabolism. Phosphorylation / drug effects. Time Factors. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 19426797.001).
  • [ISSN] 1879-3177
  • [Journal-full-title] Toxicology in vitro : an international journal published in association with BIBRA
  • [ISO-abbreviation] Toxicol In Vitro
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; 0 / Tumor Suppressor Protein p53; 20R035KLCI / Acrylamide; EC 1.1.1.27 / L-Lactate Dehydrogenase
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90. Xu P, Yu S, Jiang R, Kang C, Wang G, Jiang H, Pu P: Differential expression of Notch family members in astrocytomas and medulloblastomas. Pathol Oncol Res; 2009 Dec;15(4):703-10
MedlinePlus Health Information. consumer health - Brain Tumors.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Differential expression of Notch family members in astrocytomas and medulloblastomas.
  • Growing evidence demonstrates that Notch signaling pathway has versatile effects in tumorigenesis depending on the tumor type, grade and stage.
  • To examine the differential expression of Notch family members (Notch1, 2, 3, 4) in human astrocytomas and medulloblastomas, and to evaluate their roles in the development of both tumor types.
  • Immunohistochemical staining and Western blot analysis were used to detect Notch1, 2, 3, 4 expression in tissue microarray and freshly resected tissue samples of normal brain, astrocytomas and medulloblastomas.
  • Notch1, 3, 4 were highly expressed but Notch2 was not expressed in astrocytomas.
  • The percentage of immunopositive tumor cells and level of Notch1 expression was increased with tumor grade.
  • Differential expression of Notch1, 2, 3, 4 is detected in astrocytomas and medulloblastomas, that may be related to their different roles playing in the development of brain tumors.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Medulloblastoma / metabolism. Proto-Oncogene Proteins / metabolism. Receptor, Notch1 / metabolism. Receptor, Notch2 / metabolism. Receptors, Notch / metabolism

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  • (PMID = 19424825.001).
  • [ISSN] 1532-2807
  • [Journal-full-title] Pathology oncology research : POR
  • [ISO-abbreviation] Pathol. Oncol. Res.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / NOTCH3 protein, human; 0 / NOTCH4 protein, human; 0 / Proto-Oncogene Proteins; 0 / Receptor, Notch1; 0 / Receptor, Notch2; 0 / Receptor, Notch3; 0 / Receptors, Notch
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91. Jeon YK, Cheon JE, Kim SK, Wang KC, Cho BK, Park SH: Clinicopathological features and global genomic copy number alterations of pilomyxoid astrocytoma in the hypothalamus/optic pathway: comparative analysis with pilocytic astrocytoma using array-based comparative genomic hybridization. Mod Pathol; 2008 Nov;21(11):1345-56
Genetic Alliance. consumer health - Pilocytic astrocytoma.

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Clinicopathological features and global genomic copy number alterations of pilomyxoid astrocytoma in the hypothalamus/optic pathway: comparative analysis with pilocytic astrocytoma using array-based comparative genomic hybridization.
  • Pilomyxoid astrocytoma is a recently identified variant of pilocytic astrocytoma.
  • We studied 11 circumscribed astrocytomas with focal (n=5) or diffuse (n=6) pilomyxoid features and compared them with 17 pilocytic astrocytomas from the hypothalamic/chiasmatic region in children.
  • In one patient, a tumor that recurred after initial surgery had changed from pure-form pilomyxoid astrocytoma to the mixed form.
  • The presence of a pilomyxoid area was associated with shorter survival.
  • Next, we compared the comprehensive genome copy number changes in the pilomyxoid astrocytoma (n=4) with those in pilocytic astrocytoma (n=6) cases by array-based comparative genomic hybridization.
  • The number of lost clones was larger in pilomyxoid astrocytoma than in pilocytic astrocytoma.
  • Clones located in chromosome 8q24.3 were frequently gained in pilocytic astrocytoma (four of six) and in pilomyxoid astrocytoma (one of four).
  • Clones located in 9p24.3 and 15q26.3 were lost in all of the pilomyxoid astrocytomas and in five of the pilocytic astrocytomas.
  • Those in 8p23.3 showed a copy number loss in three of the pilomyxoid astrocytomas and four of the pilocytic astrocytomas.
  • The frequency of copy number changes was significantly different between pilomyxoid astrocytoma and pilocytic astrocytoma in 47 (3.6%) clones, 20 of them having been located in 2p, 10 in 2q, and 11 in 3q.
  • An unsupervised hierarchical clustering analysis classified the cases into three clusters: one pilomyxoid astrocytoma patient into one cluster, two pilomyxoid astrocytoma patients into another cluster, and six pilocytic astrocytoma patients and one pilomyxoid astrocytoma patient into the third cluster.
  • In conclusion, the presence of mixed-form pilomyxoid astrocytoma, the acquisition of pilocytic astrocytoma features in a recurrent tumor in pure-form pilomyxoid astrocytoma, and the above results of the genome-wide gene copy number analysis suggest that pilomyxoid astrocytoma might be a pathologically and genetically related, aggressive variant of pilocytic astrocytoma with partially different genetic alterations.
  • [MeSH-major] Astrocytoma / pathology. Comparative Genomic Hybridization / methods. Gene Dosage. Hypothalamic Neoplasms / pathology. Hypothalamus, Anterior / pathology. Optic Nerve Neoplasms / pathology
  • [MeSH-minor] Adolescent. Adult. Biomarkers, Tumor / analysis. Brain / pathology. Child. Child, Preschool. Clone Cells. DNA, Neoplasm / genetics. Female. Humans. Immunoenzyme Techniques. Infant. Magnetic Resonance Imaging. Male. Neoplasm Recurrence, Local. Survival Rate. Young Adult

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  • (PMID = 18622384.001).
  • [ISSN] 1530-0285
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. 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 / DNA, Neoplasm
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92. Nordfors K, Haapasalo J, Helén P, Paetau A, Paljärvi L, Kalimo H, Kinnula VL, Soini Y, Haapasalo H: Peroxiredoxins and antioxidant enzymes in pilocytic astrocytomas. Clin Neuropathol; 2007 Sep-Oct;26(5):210-8
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  • [Title] Peroxiredoxins and antioxidant enzymes in pilocytic astrocytomas.
  • In this study, their biology and clinical significance were examined in pilocytic astrocytomas (PAs).
  • RESULTS: Peroxiredoxins were strongly expressed in general suggesting that oxidative damage and consequent defense takes place during the progression of pilocytic astrocytomas.
  • CONCLUSIONS: Taken together, the results of this study on pilocytic astrocytomas suggest that the levels of Prxs and other AOEs and their related thiol proteins are generally strongly expressed in these tumors.
  • At least Prx VI can contribute to tumor behavior which can make it a potential prognostic factor.
  • [MeSH-major] Astrocytoma / enzymology. Astrocytoma / pathology. Brain Neoplasms / enzymology. Brain Neoplasms / pathology. Peroxidases / metabolism

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  • (PMID = 17907597.001).
  • [ISSN] 0722-5091
  • [Journal-full-title] Clinical neuropathology
  • [ISO-abbreviation] Clin. Neuropathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 52500-60-4 / Thioredoxins; EC 1.11.1.- / Peroxidases; EC 1.11.1.15 / Peroxiredoxin VI; EC 1.11.1.15 / Peroxiredoxins; EC 1.15.1.1 / Superoxide Dismutase; EC 1.8.1.9 / Thioredoxin-Disulfide Reductase; EC 6.3.2.2 / Glutamate-Cysteine Ligase
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93. Janzarik WG, Kratz CP, Loges NT, Olbrich H, Klein C, Schäfer T, Scheurlen W, Roggendorf W, Weiller C, Niemeyer C, Korinthenberg R, Pfister S, Omran H: Further evidence for a somatic KRAS mutation in a pilocytic astrocytoma. Neuropediatrics; 2007 Apr;38(2):61-3
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  • [Title] Further evidence for a somatic KRAS mutation in a pilocytic astrocytoma.
  • Astrocytomas are the most common brain tumors of childhood.
  • However, knowledge of the molecular etiology of astrocytomas WHO grade I and II is limited.
  • Germline mutations in the Ras-guanosine triphosphatase-activating protein, neurofibromin, in individuals with neurofibromatosis type I predispose to pilocytic astrocytomas.
  • This association suggests that constitutive activation of the Ras signaling pathway plays a fundamental role in astrocytoma development.
  • We screened 25 WHO I and II astrocytomas for mutations of PTPN11, NRAS, KRAS, and HRAS genes and identified the somatic G12A KRAS mutation in one pilocytic astrocytoma.
  • Analyzed astrocytomas without mutations in Ras or neurofibromin may harbor mutations in other proteins of this pathway leading to hyperactive Ras signaling.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Mutation / genetics. Proto-Oncogene Proteins / genetics. Proto-Oncogene Proteins p21(ras) / genetics. ras Proteins / genetics

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  • (PMID = 17712732.001).
  • [ISSN] 0174-304X
  • [Journal-full-title] Neuropediatrics
  • [ISO-abbreviation] Neuropediatrics
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / KRAS protein, human; 0 / Proto-Oncogene Proteins; EC 3.1.3.48 / PTPN11 protein, human; EC 3.1.3.48 / Protein Tyrosine Phosphatase, Non-Receptor Type 11; EC 3.6.5.2 / HRAS protein, human; EC 3.6.5.2 / Proto-Oncogene Proteins p21(ras); EC 3.6.5.2 / ras Proteins
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94. Ma YH, Mentlein R, Knerlich F, Kruse ML, Mehdorn HM, Held-Feindt J: Expression of stem cell markers in human astrocytomas of different WHO grades. J Neurooncol; 2008 Jan;86(1):31-45
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  • [Title] Expression of stem cell markers in human astrocytomas of different WHO grades.
  • According to new hypotheses astrocytomas/gliomas either arise from or attract neural stem cells.
  • Because these studies have been performed with single experimental samples mostly from gliomas, we investigated the expression of the stem cell markers CD133/Prominin, Nestin, Sox-2, Musashi-1, CXCR4, Flt-4/VEGFR-3 and CD105/Endoglin in 72 astrocytomas of different WHO-grades and compared it to normal adult human brain.
  • However, their mean expression was significantly increased in astrocytomas, but this depended on the WHO grade only for CD133, Nestin, Sox-2 and Musashi-1.
  • Our results show that most astrocytomas contain considerable portions of cells expressing stem cell markers.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Gene Expression / physiology. Nerve Tissue Proteins / metabolism. Stem Cells / metabolism

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  • (PMID = 17611714.001).
  • [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 / Biomarkers; 0 / Nerve Tissue Proteins
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95. Szeifert GT, Prasad D, Kamyrio T, Steiner M, Steiner LE: The role of the Gamma Knife in the management of cerebral astrocytomas. Prog Neurol Surg; 2007;20:150-63
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  • [Title] The role of the Gamma Knife in the management of cerebral astrocytomas.
  • The aim of this study was to assess the role of Gamma Knife radiosurgery in the complex management of cerebral astrocytomas.
  • Out of a series with more than 1,000 brain tumor cases treated at the Lars Leksell Center for Gamma Knife Surgery, UVA, 74 astrocytomas were selected for the present review.
  • The tumor either disappeared or decreased in 60% of grade 1 astrocytomas (n = 15), and 71% tumor control was achieved in grade 2 astrocytomas (n = 17) following radiosurgery.
  • In the high-grade glioma group (grades 3 and 4; n = 42) median survival time was 14 (range 2-58) months, and 25% of the patients were alive at 5 years after the treatment.
  • The best results were presented by the subgroup wherein previous craniotomy and debulking of the tumor were followed by radiosurgery (n = 7) with a median survival period of 24 (range 2-53) months.
  • Results of the present analysis suggest that stereotactic radiosurgery represents an alternative or supplementary treatment modality to conventional surgery in small-volume low-grade astrocytomas especially in deep-seated critical locations.
  • There is also evidence for the beneficial effect of radiosurgery on the survival of patients with high-grade gliomas; however, the limitations of a focused irradiation technique on a malignant infiltrative process are obvious.
  • [MeSH-major] Astrocytoma / surgery. Brain Neoplasms / surgery. Radiosurgery / methods
  • [MeSH-minor] Brachytherapy. Humans. Neoplasm Staging. Prognosis. Radiotherapy Dosage. Retrospective Studies. Survival Analysis. Time Factors. Treatment Outcome

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  • (PMID = 17317983.001).
  • [ISSN] 0079-6492
  • [Journal-full-title] Progress in neurological surgery
  • [ISO-abbreviation] Prog Neurol Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Switzerland
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96. Radulović D: [Natural history of supratentorial low-grade astrocytoma: case report]. Srp Arh Celok Lek; 2006 Nov-Dec;134(11-12):537-40
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  • [Title] [Natural history of supratentorial low-grade astrocytoma: case report].
  • Low-grade astrocytomas comprise a group of primary brain neoplasms with relatively low anaplastic potential, although through time they tend to behave more aggressively.
  • This report presents a natural history of a patient with low grade astrocytoma.
  • Initial computerized tomography and magnetic resonance of brain revealed oval, 4 cm in diameter, lesion in the left parietal region that was considered as low-grade glioma.
  • Repeated computerized tomography showed huge tumor in the left frontoparietal region at the site of previous lesion.
  • Urgent left frontoparietal craniotomy and reduction of tumor were performed.
  • The described patient with low-grade astrocytoma lived without any oncological treatment eight years and four months from the time when diagnosis was made until intracranial herniation.
  • The natural history of disease in presented patient indicated that rational therapeutic strategy, for low-grade astrocytoma with epilepsy only, would be deferral of surgery until the time of manifestation of neurological or radiological deterioration.
  • [MeSH-major] Astrocytoma. Brain Neoplasms. Parietal Lobe

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  • (PMID = 17304770.001).
  • [ISSN] 0370-8179
  • [Journal-full-title] Srpski arhiv za celokupno lekarstvo
  • [ISO-abbreviation] Srp Arh Celok Lek
  • [Language] srp
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Serbia and Montenegro
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97. Plotkin M, Amthauer H, Eisenacher J, Wurm R, Michel R, Wust P, Stockhammer F, Röttgen R, Gutberlet M, Ruf J, Felix R: Value of 123I-IMT SPECT for diagnosis of recurrent non-astrocytic intracranial tumours. Neuroradiology; 2005 Jan;47(1):18-26
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  • [Title] Value of 123I-IMT SPECT for diagnosis of recurrent non-astrocytic intracranial tumours.
  • The value of single-photon emission tomography (SPECT) using iodine-123-alpha-methyl-tyrosine (IMT) for the diagnosis of recurrent or residual gliomas is well established.
  • In the current study we investigated whether IMT-SPECT could also be useful in the follow-up of brain metastases and other intracranial tumours of non-astrocytic origin.
  • The study included 22 patients with suspected recurrent intracranial tumours of non-astrocytic origin (12 brain metastases, one supratentorial primitive neuroendocrine tumour (PNET), one rhabdoid tumour, two clivus chordomas, three ependymomas, two pituitary tumours, one anaplastic meningioma) who had previously been treated by surgery and/or radio/chemotherapy.
  • We concluded that the IMT-SPECT is a promising complementary imaging tool for the detection of recurrences of non-astrocytic intracranial tumours and their distinguishing from treatment-induced changes.
  • [MeSH-major] Brain Neoplasms / diagnostic imaging. Iodine Radioisotopes. Methyltyrosines. Neoplasm Recurrence, Local / diagnostic imaging. Radiopharmaceuticals. Tomography, Emission-Computed, Single-Photon / methods
  • [MeSH-minor] Adolescent. Adult. Aged. Chordoma / diagnostic imaging. Ependymoma / diagnostic imaging. False Negative Reactions. False Positive Reactions. Female. Follow-Up Studies. Glioma / diagnostic imaging. Humans. Magnetic Resonance Imaging. Male. Meningioma / diagnostic imaging. Middle Aged. Neuroendocrine Tumors / diagnostic imaging. Pituitary Neoplasms / diagnostic imaging. Retrospective Studies. Rhabdoid Tumor / diagnostic imaging. Sensitivity and Specificity. Supratentorial Neoplasms / diagnostic imaging

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  • (PMID = 15630586.001).
  • [ISSN] 0028-3940
  • [Journal-full-title] Neuroradiology
  • [ISO-abbreviation] Neuroradiology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Iodine Radioisotopes; 0 / Methyltyrosines; 0 / Radiopharmaceuticals; A77N8J5H5T / 3-iodo-alpha-methyltyrosine
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98. Parafiniuk D, Jezewski D, Nowacki P: [Malignant astrocytoma as a recurrance of astrocytoma II WHO after 13 years. Case report and literature review]. Ann Acad Med Stetin; 2010;56(2):45-50
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  • [Title] [Malignant astrocytoma as a recurrance of astrocytoma II WHO after 13 years. Case report and literature review].
  • Astrocytomas--neroepithelial originated tumors that belong to the big, differential group of tumors, which derive from astrocytic glial.
  • They include slow growing tumors such as fibillary astrocytoma or very malignant glioblastoma multiforme.
  • The case which is being presented is of a forty nine year old woman operated in July 1997 because of a protoplasmic astrocytoma II WHO in the left frontal lobe.
  • Due to this adverse event MRI was ordered and suspicion of tumor recurrence was put forward.
  • Histopathology identified anaplastic astrocytoma III WHO.
  • According to literature, the factors regarding remission time, tumor malignancy and therapeutic aim were analyzed.
  • [MeSH-major] Brain Neoplasms / radiotherapy. Brain Neoplasms / surgery. Neoplasm Recurrence, Local / diagnosis
  • [MeSH-minor] Adult. Astrocytoma. Female. Frontal Lobe. Humans. Reoperation. Seizures / etiology

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  • (PMID = 21473001.001).
  • [ISSN] 1427-440X
  • [Journal-full-title] Annales Academiae Medicae Stetinensis
  • [ISO-abbreviation] Ann Acad Med Stetin
  • [Language] pol
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] Poland
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99. Compostella A, Tosoni A, Blatt V, Franceschi E, Brandes AA: Prognostic factors for anaplastic astrocytomas. J Neurooncol; 2007 Feb;81(3):295-303
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  • [Title] Prognostic factors for anaplastic astrocytomas.
  • Anaplastic astrocytomas (WHO grade III) constitute about 10% of all gliomas.
  • Definitive data on predictive and prognostic factors are lacking for these neoplasms that are considered the most enigmatic entity among the whole spectrum of astrocytic tumors because of their unclear biologic behavior and variable clinical outcome.
  • Currently, only few factors have been identified as useful for prognosis of anaplastic astrocytoma: age and Karnofsky Performance Status.
  • Potential prognostic biomarkers concern tumor suppressor genes on chromosome 9q that are involved in the RB1 pathway; PTEN, the PI3k/Akt/p70s6k cascade, survivin gene, Formylpeptide receptor, minichromosome maintenance protein 3 and genes on chromosome 7.
  • The state of the art pictured here underlie the recent interest on gene expression profile to identify aberrations useful to understand the biologic behavior of astrocytic tumors.
  • [MeSH-major] Astrocytoma / genetics. Astrocytoma / pathology. Biomarkers, Tumor / analysis. Brain Neoplasms / genetics. Brain Neoplasms / pathology

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  • (PMID = 17001519.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
  • [Number-of-references] 55
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100. 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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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [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).
  • 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.
  • 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

  • MedlinePlus Health Information. consumer health - Brain Tumors.
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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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