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41. Pediatric and adult glioblastoma have different gene expression profiles. Nat Clin Pract Neurol; 2009 Mar;5(3):122-3
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  • [Title] Pediatric and adult glioblastoma have different gene expression profiles.

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  • [CommentOn] Neuro Oncol. 2009 Jun;11(3):274-80 [18981259.001]
  • (PMID = 20387321.001).
  • [ISSN] 1745-8358
  • [Journal-full-title] Nature clinical practice. Neurology
  • [ISO-abbreviation] Nat Clin Pract Neurol
  • [Language] eng
  • [Publication-type] Comment; Journal Article
  • [Publication-country] England
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42. Maire JP, Huchet A, Catry-Thomas I: [Radiotherapy of adult glial tumors: new developments and perspectives]. Rev Neurol (Paris); 2008 Jun-Jul;164(6-7):531-41
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  • [Title] [Radiotherapy of adult glial tumors: new developments and perspectives].
  • Adult gliomas (WHO grade II, III and IV) are heterogeneous primitive brain tumors.
  • Median survivals are different with regard to the tumor grade.
  • During the 1990s, temozolomide (TMZ) was specifically developed as a chemotherapy agent against primary brain tumors.
  • [MeSH-major] Brain Neoplasms / radiotherapy. Glioma / radiotherapy. Radiotherapy / trends
  • [MeSH-minor] Adult. Astrocytoma / radiotherapy. Glioblastoma / radiotherapy. Humans. Medical Oncology / trends. Prognosis

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  • (PMID = 18565351.001).
  • [ISSN] 0035-3787
  • [Journal-full-title] Revue neurologique
  • [ISO-abbreviation] Rev. Neurol. (Paris)
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Number-of-references] 89
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43. Chen J, Xia J, Zhou YC, Xia LM, Zhu WZ, Zou ML, Feng DY, Wang CY: [Correlation between magnetic resonance diffusion weighted imaging and cell density in astrocytoma]. Zhonghua Zhong Liu Za Zhi; 2005 May;27(5):309-11
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  • [Title] [Correlation between magnetic resonance diffusion weighted imaging and cell density in astrocytoma].
  • OBJECTIVE: To evaluate the apparent diffusion coefficients (ADC) in magnetic resonance diffusion weighted imaging with echo-planar technique in depicting the tumor cellularity and grading of astrocytoma.
  • METHODS: Thirty-four astrocytoma patients including 18 male and 16 female with age from 10 to 73 years (mean 38.4 years) were examined by MRI and eventually proved by surgical resection and pathological examination.
  • Of them, 26 had low-grade (grade I, II) astrocytoma and 8 high-grade (grade III, IV) astrocytoma.
  • ADC value of astrocytoma was determined on magnetic resonance diffusion weighted images.
  • Cellularity of the astrocytoma was analyzed using Adobe Photoshop 7.0.1 software.
  • RESULTS: The mean ADC value (in units of 10(-4) mm(2)/s) of the high-grade astrocytomas (7.34 +/- 2.95) was significantly lower than that of the low-grade astrocytomas (13.76 +/- 3.31) (t = 4.91, P < 0.001).
  • The mean cellularity of the high-grade astrocytomas (19.81 +/- 9.73)% was significantly higher than that of the low-grade astrocytomas (4.74 +/- 2.96)% (t = 4.32, P = 0.003).
  • ADC value of the astrocytoma was significantly and negatively correlated with its cellularity (r = -0.535, P = 0.001).
  • CONCLUSION: ADC value of astrocytoma is significantly and negatively correlated with its cellularity.
  • Magnetic resonance diffusion weighted imaging may well be highly potential in predicting the degree of astrocytoma.
  • [MeSH-major] Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Diffusion Magnetic Resonance Imaging
  • [MeSH-minor] Adolescent. Adult. Aged. Cell Count. Child. Female. Glioblastoma / diagnosis. Glioblastoma / pathology. Humans. Image Processing, Computer-Assisted. Male. Middle Aged

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  • (PMID = 15996330.001).
  • [ISSN] 0253-3766
  • [Journal-full-title] Zhonghua zhong liu za zhi [Chinese journal of oncology]
  • [ISO-abbreviation] Zhonghua Zhong Liu Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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4
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4. Yan H, Parsons DW, Jin G, McLendon R, Rasheed BA, Yuan W, Kos I, Batinic-Haberle I, Jones S, Riggins GJ, Friedman H, Friedman A, Reardon D, Herndon J, Kinzler KW, Velculescu VE, Vogelstein B, Bigner DD: IDH1 and IDH2 mutations in gliomas. N Engl J Med; 2009 Feb 19;360(8):765-73
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  • BACKGROUND: A recent genomewide mutational analysis of glioblastomas (World Health Organization [WHO] grade IV glioma) revealed somatic mutations of the isocitrate dehydrogenase 1 gene (IDH1) in a fraction of such tumors, most frequently in tumors that were known to have evolved from lower-grade gliomas (secondary glioblastomas).
  • METHODS: We determined the sequence of the IDH1 gene and the related IDH2 gene in 445 central nervous system (CNS) tumors and 494 non-CNS tumors.
  • RESULTS: We identified mutations that affected amino acid 132 of IDH1 in more than 70% of WHO grade II and III astrocytomas and oligodendrogliomas and in glioblastomas that developed from these lower-grade lesions.

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  • [Copyright] 2009 Massachusetts Medical Society
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  • [CommentIn] N Engl J Med. 2009 Feb 19;360(8):813-5 [19228626.001]
  • (PMID = 19228619.001).
  • [ISSN] 1533-4406
  • [Journal-full-title] The New England journal of medicine
  • [ISO-abbreviation] N. Engl. J. Med.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / CA043460-27; United States / NCI NIH HHS / CA / CA57345; United States / NCI NIH HHS / CA / R01CA118822; United States / NCI NIH HHS / CA / R37 CA043460; United States / NCI NIH HHS / CA / R37 CA043460-27; United States / NCI NIH HHS / CA / P50 CA108786; United States / NINDS NIH HHS / NS / P50 NS020023; United States / NCI NIH HHS / CA / 2P30-CA-14236; United States / NCI NIH HHS / CA / 5P50-CA-108786; United States / NCI NIH HHS / CA / CA121113; United States / NCI NIH HHS / CA / CA062924-150012; United States / NCI NIH HHS / CA / R37 CA043460-26; United States / NCI NIH HHS / CA / 5R37-CA-11898; United States / NCI NIH HHS / CA / R37CA11898-34; United States / NCI NIH HHS / CA / R01 CA121113; United States / NCI NIH HHS / CA / R01 CA140316; United States / NCI NIH HHS / CA / CA43460; United States / NCI NIH HHS / CA / CA043460-26; United States / NCI NIH HHS / CA / R01 CA121113-04; United States / NINDS NIH HHS / NS / NS20023-21; United States / NCI NIH HHS / CA / CA057345-17; United States / NCI NIH HHS / CA / R37 CA057345-17; United States / NCI NIH HHS / CA / R37 CA057345; United States / NCI NIH HHS / CA / P30 CA014236; United States / NCI NIH HHS / CA / P50 CA062924-150012; United States / NCI NIH HHS / CA / R01 CA057345; United States / NCI NIH HHS / CA / R01 CA118822; United States / NINDS NIH HHS / NS / 5P50-NS-20023; United States / NCI NIH HHS / CA / R37 CA011898
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] EC 1.1.1.41 / Isocitrate Dehydrogenase; EC 1.1.1.41 / isocitrate dehydrogenase 2, human
  • [Other-IDs] NLM/ NIHMS107443; NLM/ PMC2820383
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45. Bax DA, Gaspar N, Little SE, Marshall L, Perryman L, Regairaz M, Viana-Pereira M, Vuononvirta R, Sharp SY, Reis-Filho JS, Stávale JN, Al-Sarraj S, Reis RM, Vassal G, Pearson AD, Hargrave D, Ellison DW, Workman P, Jones C: EGFRvIII deletion mutations in pediatric high-grade glioma and response to targeted therapy in pediatric glioma cell lines. Clin Cancer Res; 2009 Sep 15;15(18):5753-61
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  • [Title] EGFRvIII deletion mutations in pediatric high-grade glioma and response to targeted therapy in pediatric glioma cell lines.
  • PURPOSE: The epidermal growth factor receptor (EGFR) is amplified and overexpressed in adult glioblastoma, with response to targeted inhibition dependent on the underlying biology of the disease.
  • We have sought to clarify the role of EGFR in pediatric high-grade glioma (HGG).
  • Pediatric glioblastoma cells transduced with wild-type or deletion mutant EGFRvIII were not rendered more sensitive to erlotinib despite expressing wild-type PTEN.
  • Phosphorylated receptor tyrosine kinase profiling showed a specific activation of platelet-derived growth factor receptor alpha/beta in EGFRvIII-transduced pediatric glioblastoma cells, and targeted coinhibition with erlotinib and imatinib leads to enhanced efficacy in this model.
  • [MeSH-minor] Adolescent. Blotting, Western. Cell Proliferation / drug effects. Child. Erlotinib Hydrochloride. Humans. Prognosis. Quinazolines / pharmacology. Retrospective Studies. Reverse Transcriptase Polymerase Chain Reaction. Sensitivity and Specificity. Tumor Cells, Cultured

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  • [ErratumIn] Clin Cancer Res. 2009 Nov 15;15(22):7110
  • (PMID = 19737945.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United Kingdom / Cancer Research UK / / C1178/A10294; United Kingdom / Cancer Research UK / / C309/A2187; United Kingdom / Cancer Research UK / / C309/A8274
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Quinazolines; 0 / epidermal growth factor receptor VIII; DA87705X9K / Erlotinib Hydrochloride; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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46. Lee EJ, Lee SK, Agid R, Bae JM, Keller A, Terbrugge K: Preoperative grading of presumptive low-grade astrocytomas on MR imaging: diagnostic value of minimum apparent diffusion coefficient. AJNR Am J Neuroradiol; 2008 Nov;29(10):1872-7
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  • [Title] Preoperative grading of presumptive low-grade astrocytomas on MR imaging: diagnostic value of minimum apparent diffusion coefficient.
  • BACKGROUND AND PURPOSE: Histopathologic grade of glial tumors is inversely correlated with the minimum apparent diffusion coefficient (ADC).
  • We assessed the diagnostic values of minimum ADC for preoperative grading of supratentorial astrocytomas that were diagnosed as low-grade astrocytomas on conventional MR imaging.
  • MATERIALS AND METHODS: Among 118 patients with astrocytomas (WHO grades II-IV), 16 who showed typical MR imaging findings of low-grade supratentorial astrocytomas on conventional MR imaging were included.
  • The minimum ADC value of each tumor was determined from several regions of interest in the tumor on ADC maps.
  • To assess the relationship between the minimum ADC and tumor grade, we performed the Mann-Whitney U test.
  • A receiver operating characteristic (ROC) analysis was used to determine the cutoff value of the minimum ADC that had the best combination of sensitivity and specificity for distinguishing low- and high-grade astrocytomas.
  • RESULTS: Eight of the 16 patients (50%) were confirmed as having high-grade astrocytomas (WHO grades III and IV), and the other 8 patients were confirmed as having low-grade astrocytomas (WHO grade II).
  • The median minimum ADC of the high-grade astrocytoma (1.035 x 10(-3) mm(2) .
  • sec(-1)) group was significantly lower than that of the low-grade astrocytoma group (1.19 x 10(-3) mm(2) .
  • CONCLUSION: Measuring minimum ADC can provide valuable diagnostic information for the preoperative grading of presumptive low-grade supratentorial astrocytomas.
  • [MeSH-major] Algorithms. Astrocytoma / diagnosis. Brain Neoplasms / diagnosis. Image Interpretation, Computer-Assisted / methods. Magnetic Resonance Imaging / methods
  • [MeSH-minor] Adult. Aged. Female. Humans. Male. Middle Aged. Reproducibility of Results. Sensitivity and Specificity

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  • (PMID = 18719036.001).
  • [ISSN] 1936-959X
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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47. 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).
  • The RCAS1 protein was not detected in normal brain tissues by immunohistochemical staining.
  • 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
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Child, Preschool. Female. Humans. Male. Middle Aged. RNA, Messenger / genetics. Young Adult

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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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48. Grasbon-Frodl EM, Kreth FW, Ruiter M, Schnell O, Bise K, Felsberg J, Reifenberger G, Tonn JC, Kretzschmar HA: Intratumoral homogeneity of MGMT promoter hypermethylation as demonstrated in serial stereotactic specimens from anaplastic astrocytomas and glioblastomas. Int J Cancer; 2007 Dec 1;121(11):2458-64
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  • Hypermethylation of the DNA repair gene O(6)-methyl-guanine DNA methyltransferase (MGMT) has been linked to prolonged survival in glioblastoma patients treated with alkylating agents.
  • Twenty-five adult patients were included (20 patients with primary World Health Organisation (WHO) Grade III or IV malignant gliomas, 5 patients with secondary malignant gliomas).
  • About 2-4 biopsy specimens per tumor were collected from different sites within the tumor.
  • The overall MGMT promoter methylation rate was 30% in the de novo group and 80% in the tumor progression group.
  • No differences in MGMT promoter methylation were detected between the different samples of each individual tumor in 24 of 25 patients.
  • Tissue samples taken from different sites of each individual tumor (13 tumors investigated) exhibited equal or highly similar MGMT protein expression.
  • [MeSH-major] Astrocytoma / genetics. Biopsy / methods. DNA Methylation. DNA Modification Methylases / genetics. DNA Repair Enzymes / genetics. Glioblastoma / genetics. Tumor Suppressor Proteins / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Gene Expression Regulation, Neoplastic. Germany. Humans. Immunohistochemistry. Male. Middle Aged. Polymerase Chain Reaction. Promoter Regions, Genetic. Prospective Studies. Sequence Analysis, DNA. Stereotaxic Techniques

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  • [Copyright] (c) 2007 Wiley-Liss, Inc.
  • (PMID = 17691113.001).
  • [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; Validation Studies
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
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49. Lymbouridou R, Soufla G, Chatzinikola AM, Vakis A, Spandidos DA: Down-regulation of K-ras and H-ras in human brain gliomas. Eur J Cancer; 2009 May;45(7):1294-303
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  • [Title] Down-regulation of K-ras and H-ras in human brain gliomas.
  • Ras genes, a class of nucleotide-binding proteins that regulate normal and transformed cell growth, have been scarcely investigated in human brain tumours.
  • We evaluated the mutational, mRNA and protein expression profile of the ras genes in 21 glioblastomas multiforme (grade IV), four fibrillary astrocytoma (grade II), four anaplastic astrocytoma (grade III) and 15 normal specimens.
  • Glioblastoma multiforme cases exhibited significantly lower K- and H-ras mRNA levels compared to controls (P < 10(-4)).
  • Our findings provide evidence of K- and H-ras involvement in brain malignant transformation through transcriptional down-regulation, while N-ras seems to contribute less to brain carcinogenesis.
  • [MeSH-major] Brain Neoplasms / genetics. Down-Regulation. Gene Expression Regulation, Neoplastic. Genes, ras. Glioma / genetics
  • [MeSH-minor] Adult. Aged. Astrocytoma / genetics. Astrocytoma / metabolism. Astrocytoma / mortality. Blotting, Western / methods. Case-Control Studies. Codon. Female. Gene Expression. Glioblastoma / genetics. Glioblastoma / metabolism. Glioblastoma / mortality. Humans. Male. Middle Aged. Oncogene Protein p21(ras) / analysis. Oncogene Protein p21(ras) / metabolism. Polymorphism, Restriction Fragment Length. Reverse Transcriptase Polymerase Chain Reaction / methods. Statistics, Nonparametric. Survival Rate

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  • (PMID = 19179066.001).
  • [ISSN] 1879-0852
  • [Journal-full-title] European journal of cancer (Oxford, England : 1990)
  • [ISO-abbreviation] Eur. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Codon; EC 3.6.5.2 / Oncogene Protein p21(ras)
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50. Bozinov O, Kalk JM, Krayenbühl N, Woernle CM, Sure U, Bertalanffy H: Decreasing expression of the interleukin-13 receptor IL-13Ralpha2 in treated recurrent malignant gliomas. Neurol Med Chir (Tokyo); 2010;50(8):617-21
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  • The expression level of IL-13Ralpha2 was examined in a total of 45 tissue samples of anaplastic astrocytomas (AAs) World Health Organization (WHO) grade III, glioblastomas (GBMs) WHO grade IV, and first-recurrent glioblastomas (frGBMs) after treatment with radiation and chemotherapy.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Glioblastoma / metabolism. Interleukin-13 Receptor alpha2 Subunit / metabolism. Neoplasm Recurrence, Local / metabolism
  • [MeSH-minor] Actins / genetics. Actins / metabolism. Adult. Aged. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Exotoxins / therapeutic use. Female. Gene Expression Regulation, Neoplastic / drug effects. Humans. Immunotoxins / therapeutic use. Interleukin-13 / therapeutic use. Male. Middle Aged. Nimustine / administration & dosage. RNA / analysis. Teniposide / administration & dosage. Young Adult

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  • (PMID = 20805641.001).
  • [ISSN] 1349-8029
  • [Journal-full-title] Neurologia medico-chirurgica
  • [ISO-abbreviation] Neurol. Med. Chir. (Tokyo)
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Actins; 0 / Exotoxins; 0 / IL13-PE38QQR; 0 / Immunotoxins; 0 / Interleukin-13; 0 / Interleukin-13 Receptor alpha2 Subunit; 0S726V972K / Nimustine; 63231-63-0 / RNA; 957E6438QA / Teniposide
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51. Mondin V, Ferlito A, Devaney KO, Woolgar JA, Rinaldo A: A survey of metastatic central nervous system tumors to cervical lymph nodes. Eur Arch Otorhinolaryngol; 2010 Nov;267(11):1657-66
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  • [Title] A survey of metastatic central nervous system tumors to cervical lymph nodes.
  • There are, of course, less frequently encountered differential diagnostic possibilities; one of the most uncommon of all is the possibility of metastasis from an intracranial tumor.
  • The present review examines the published experience with 128 tumors that gave rise to cervical node metastases in both adult and in pediatric patients.
  • While it is presumed that the blood-brain barrier blocks the spread of most tumors beyond the intracranial locale, this is speculative.
  • Although many of the cervical node metastases reported here arose after craniotomy (and, presumably, after breaching of the blood-brain barrier), some arose in the absence of any preceding surgical procedure.
  • Cervical node metastases may arise from glial tumors (including glioblastoma multiforme, in both adult and pediatric patients) and non-glial tumors (such as medulloblastoma in pediatric patients).
  • The history of a previous intracranial lesion is often the key to correct diagnosis, since, without prompting, neither the pathologist nor the radiologist is likely to think of a cervical node metastasis from a brain tumor when assessing a cervical mass of unknown etiology.
  • [MeSH-major] Central Nervous System Neoplasms / pathology. Head and Neck Neoplasms / secondary. Lymphatic Metastasis / pathology
  • [MeSH-minor] Blood-Brain Barrier. Humans

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  • (PMID = 20694730.001).
  • [ISSN] 1434-4726
  • [Journal-full-title] European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
  • [ISO-abbreviation] Eur Arch Otorhinolaryngol
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] Germany
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52. Watanabe Y, Yamasaki F, Kajiwara Y, Saito T, Nishimoto T, Bartholomeusz C, Ueno NT, Sugiyama K, Kurisu K: Expression of phosphoprotein enriched in astrocytes 15 kDa (PEA-15) in astrocytic tumors: a novel approach of correlating malignancy grade and prognosis. J Neurooncol; 2010 Dec;100(3):449-57
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  • [Title] Expression of phosphoprotein enriched in astrocytes 15 kDa (PEA-15) in astrocytic tumors: a novel approach of correlating malignancy grade and prognosis.
  • Phosphoprotein enriched in astrocytes 15 kDa (PEA-15) is a multifunctional protein that was first identified in brain astrocytes and that has subsequently been shown to be expressed in different tissues.
  • Despite its many important roles, the clinical significance of PEA-15 expression levels in astrocytic tumors has yet to be properly defined.
  • We studied the PEA-15 expression pattern of 65 patients [diagnosed according to World Health Organization (WHO) criteria] with diffuse astrocytoma (WHO grade II), anaplastic astrocytoma (grade III), and glioblastoma (grade IV).
  • In grade II astrocytoma (diffuse astrocytoma) and grade III astrocytoma (anaplastic astrocytoma), 100% and 88.9% of patients expressed high PEA-15 levels, respectively, while a smaller number (50%) of patients with grade IV astrocytoma (glioblastoma) expressed high PEA-15 levels.
  • PEA-15 expression level was inversely associated with WHO grade (P = 0.0006).
  • Next, we evaluated prognosis and PEA-15 expression levels in 43 patients with high-grade astrocytomas based on the following parameters: age, gender, WHO grade, surgical resection extent, MIB-1 labeling index (LI), and PEA-15 expression level.
  • Multivariable analyses revealed that high PEA-15 expression level displayed a significant correlation with longer overall survival (OS) in high-grade astrocytomas (P = 0.0024).
  • In conclusion, PEA-15 expression level was inversely associated with WHO grade and may serve as an important prognostic factor for high-grade astrocytomas.
  • [MeSH-major] Astrocytoma / diagnosis. Astrocytoma / metabolism. Brain Neoplasms / diagnosis. Brain Neoplasms / metabolism. Intracellular Signaling Peptides and Proteins / metabolism. Phosphoproteins / metabolism. Statistics as Topic
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Follow-Up Studies. Humans. Ki-67 Antigen / metabolism. Magnetic Resonance Imaging / methods. Male. Middle Aged. Retrospective Studies. Severity of Illness Index. Statistics, Nonparametric. Young Adult

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  • (PMID = 20455002.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Intracellular Signaling Peptides and Proteins; 0 / Ki-67 Antigen; 0 / PEA15 protein, human; 0 / Phosphoproteins
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53. Jiang Z, Hu J, Li X, Jiang Y, Zhou W, Lu D: Expression analyses of 27 DNA repair genes in astrocytoma by TaqMan low-density array. Neurosci Lett; 2006 Dec 1;409(2):112-7
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  • [Title] Expression analyses of 27 DNA repair genes in astrocytoma by TaqMan low-density array.
  • The mRNA expressions of 27 genes of the DNA repair system as well as their correlation with the clinical characteristics were studied in human astrocytoma.
  • We applied TaqMan low-density array to investigate the mRNA expressions of 27 DNA repair genes in 40 astrocytoma tissues (10 of grade II, 10 of grade III, and 20 of grade IV, according to the WHO Grading System).
  • And the normal brain tissues from 10 non-astrocytoma patients were collected as the control.
  • We found that the expression of the 13 genes were significantly (P<0.01) down-regulated in grade II, III, IV of astrocytoma compared to normal brain tissues, including ERCC1, ERCC2, ERCC3, ERCC4, MGMT, MLH1, MLH3, NTHL1, OGG1, RAD50, SMUG1, XRCC4 and XRCC5.
  • Meanwhile, we found that the expression of MSH2, MSH6, NUDT1 and XRCC3 were only significantly lower in grade II and III of astrocytoma, and the expression of MRE11A and MUS81 were only significantly lower in grade III and IV.
  • But the expression of MPG, MSH3, MUTHY and RAD51 were not changed in any grade of astrocytoma.
  • We suggest that TaqMan low-density array is an effective multivariate technique to examine the expression of DNA repair genes in astrocytomas, which can be applied to identify tumor-specific genes.
  • We also suggest that the down-regulation of some DNA repair genes may be associated with pathogenesis and poor prognosis of astrocytoma.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. DNA Repair / genetics. Gene Expression Regulation, Neoplastic / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. DNA, Complementary / biosynthesis. DNA, Complementary / genetics. Female. Gene Expression / physiology. Humans. Male. Middle Aged. Oligonucleotide Array Sequence Analysis. Prognosis. RNA, Messenger / biosynthesis. RNA, Messenger / genetics. Reverse Transcriptase Polymerase Chain Reaction. Survival


54. Uematsu M, Ohsawa I, Aokage T, Nishimaki K, Matsumoto K, Takahashi H, Asoh S, Teramoto A, Ohta S: Prognostic significance of the immunohistochemical index of survivin in glioma: a comparative study with the MIB-1 index. J Neurooncol; 2005 May;72(3):231-8
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  • METHODS: We prepared polyclonal anti-survivin serum to establish a survivin index for stained sections, using an immunohistochemical procedure, according to the method used for scoring MIB-1 index, and then stained 29 paraffin-embedded sections from surgical specimens of 29 patients who were classified into three grades of World Health Organization with the mean age of low grade astocytoma (grade II) being 34.7; anaplastic astrocytoma (grade III), 48.8; and glioblastoma multiform (grade IV), 58.4.
  • The mean percentage of immunoreactive cells in each specimen was 70.0 (SD 18.2) in grade II, 81.3 (16.5) in grade III, and 85.0 (13.6) in grade IV.
  • Then we compared the survivin index to the MIB-1 index and found that in low-grade gliomas (grade II and III), the difference in survival times between the high and low survivin indexes was significant (P=0.007), whereas that between the high and low MIB-1 indexes was not significant (P=0.092).
  • ONCLUSION: Survivin is more sensitive marker than MIB-1 for the evaluation of low-grade gliomas in that it helps to predict patient survival.
  • [MeSH-major] Brain Neoplasms / metabolism. Glioma / metabolism. Ki-67 Antigen / analysis. Microtubule-Associated Proteins / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Antibodies / analysis. Biomarkers, Tumor. Blotting, Western. Child. DNA, Complementary / genetics. Disease Progression. Female. Humans. Immunohistochemistry. Inhibitor of Apoptosis Proteins. Male. Middle Aged. Neoplasm Proteins. Prognosis. Reverse Transcriptase Polymerase Chain Reaction. Survival Analysis. Treatment Outcome. Tumor Cells, Cultured

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  • (PMID = 15937645.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies; 0 / BIRC5 protein, human; 0 / Biomarkers, Tumor; 0 / DNA, Complementary; 0 / Inhibitor of Apoptosis Proteins; 0 / Ki-67 Antigen; 0 / Microtubule-Associated Proteins; 0 / Neoplasm Proteins
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55. Keles GE, Chang EF, Lamborn KR, Tihan T, Chang CJ, Chang SM, Berger MS: Volumetric extent of resection and residual contrast enhancement on initial surgery as predictors of outcome in adult patients with hemispheric anaplastic astrocytoma. J Neurosurg; 2006 Jul;105(1):34-40
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  • [Title] Volumetric extent of resection and residual contrast enhancement on initial surgery as predictors of outcome in adult patients with hemispheric anaplastic astrocytoma.
  • OBJECT: To investigate the prognostic significance of the volumetrically assessed extent of resection on time to tumor progression (TTP), overall survival (OS), and tumor recurrence patterns, the authors retrospectively analyzed preoperative and postoperative tumor volumes in 102 adult patients from the time of the initial resection of a hemispheric anaplastic astrocytoma (AA).
  • METHODS: The quantification of tumor volumes was based on a previously described method involving computerized analysis of magnetic resonance (MR) images.
  • Analysis of contrast-enhancing tumor volumes on T1-weighted MR images was conducted for 67 patients who had contrast-enhancing tumors.
  • The presence or absence of preresection enhancement, actual volume of this enhancement, and the percentage of preoperative enhancement as it relates to the total T2 tumor volume did not have a statistically significant relationship to TTP or OS.
  • In addition to age, the volume of residual disease measured on T2-weighted MR images was the most significant predictor of TTP (p < 0.001), and residual contrast-enhancing tumor volume was the most significant predictor of OS (p = 0.003) on multivariate analysis.
  • In contrast to low-grade gliomas, there was no statistically significant relationship between the extent of resection and histological characteristics at the time of recurrence, that is, tumor Grade III compared with Grade IV.
  • CONCLUSIONS: Data from this retrospective analysis of a histologically uniform group of hemispheric AAs treated in the MR imaging era suggest that residual tumor volumes, as documented on postoperative imaging studies, may be a prognostic factor for TTP and OS for this patient population.
  • [MeSH-major] Astrocytoma / pathology. Astrocytoma / surgery. Brain Neoplasms / pathology. Brain Neoplasms / surgery. Neoplasm Recurrence, Local / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Contrast Media. Female. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm, Residual. Predictive Value of Tests. Retrospective Studies. Survival Rate. Time Factors. Treatment Outcome

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  • (PMID = 16871879.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media
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56. Hlobilkova A, Ehrmann J, Knizetova P, Krejci V, Kalita O, Kolar Z: Analysis of VEGF, Flt-1, Flk-1, nestin and MMP-9 in relation to astrocytoma pathogenesis and progression. Neoplasma; 2009;56(4):284-90
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  • [Title] Analysis of VEGF, Flt-1, Flk-1, nestin and MMP-9 in relation to astrocytoma pathogenesis and progression.
  • Astrocytomas, particularly high grade astrocytoma, are brain tumors with potent angiogenic activity.
  • Our immnunohistochemical study assessed vascular endothelial growth factor (VEGF), VEGF receptors (Flk-1, and Flt-1), the intermediate filamental protein nestin which plays a role in central nervous system development, and MMP-9, which belongs the family of matrix metalloproteinases implicated in tumor invasion and angiogenesis regulation.
  • We investigated the expression of VEGF, its receptors, nestin and MMP-9 in astrocytomas and their correlation with tumor grade.
  • We used paraffin-embedded samples from 66 patients, 29 with low grade (WHO-grade II) and 37 with high grade (WHO-grade III and IV) astrocytomas.
  • Expression of Flt-1 and Flk-1 showed no significant differences between low and high grade tumor groups.
  • Expression of VEGF and MMP-9 was increased in the high grade group (p equal to or less than 0.026 and 0.024).
  • Nestin expression in tumor astrocytes and endothelial cells increased in high grade group (p same 0.007 and 0.003).
  • Higher expression of VEGF in high grade astrocytomas may subsequently lead to activation of survival, angiogenesis and migration.
  • Expression of nestin and MMP-9 also suggest their likely role in astrocytoma vascular development and proliferation.
  • [MeSH-major] Astrocytoma / etiology. Brain Neoplasms / etiology. Intermediate Filament Proteins / metabolism. Matrix Metalloproteinase 9 / metabolism. Nerve Tissue Proteins / metabolism. Vascular Endothelial Growth Factor A / metabolism. Vascular Endothelial Growth Factor Receptor-1 / metabolism. Vascular Endothelial Growth Factor Receptor-2 / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Disease Progression. Female. Humans. Immunoenzyme Techniques. Male. Middle Aged. Nestin. Prognosis. Young Adult

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  • (PMID = 19473053.001).
  • [ISSN] 0028-2685
  • [Journal-full-title] Neoplasma
  • [ISO-abbreviation] Neoplasma
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Slovakia
  • [Chemical-registry-number] 0 / Intermediate Filament Proteins; 0 / NES protein, human; 0 / Nerve Tissue Proteins; 0 / Nestin; 0 / VEGFA protein, human; 0 / Vascular Endothelial Growth Factor A; EC 2.7.10.1 / FLT1 protein, human; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-1; EC 2.7.10.1 / Vascular Endothelial Growth Factor Receptor-2; EC 3.4.24.35 / Matrix Metalloproteinase 9
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57. Järvelä S, Helin H, Haapasalo J, Järvelä T, Junttila TT, Elenius K, Tanner M, Haapasalo H, Isola J: Amplification of the epidermal growth factor receptor in astrocytic tumours by chromogenic in situ hybridization: association with clinicopathological features and patient survival. Neuropathol Appl Neurobiol; 2006 Aug;32(4):441-50
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  • [Title] Amplification of the epidermal growth factor receptor in astrocytic tumours by chromogenic in situ hybridization: association with clinicopathological features and patient survival.
  • Chromogenic in situ hybridization (CISH) was used to detect amplification of the epidermal growth factor receptor (EGFR) gene in tissue microarrays of tumours derived from 287 patients with grade II-IV diffuse astrocytomas.
  • Amplification was found in 32% of the tumours with a highly significant association with histological grade (4% in grade II, 21% in grade III and 39% in grade IV; P < 0.001).
  • The survival of patients with EGFR gene-amplified grade III tumours was significantly shorter than in those with grade III non-amplified tumours (P = 0.03).
  • No such difference was noted in glioblastomas (grade IV tumours).
  • Our data verify the central role of EGFR in the pathobiology of astrocytic tumours, and highlight the advantages of CISH as a simple and practical assay to screen for EGFR gene amplification in astrocytic tumours.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Receptor, Epidermal Growth Factor / genetics. Receptor, Epidermal Growth Factor / metabolism
  • [MeSH-minor] Adolescent. Adult. Age Factors. Aged. Aged, 80 and over. Apoptosis / physiology. Child. Child, Preschool. Chromogenic Compounds. Female. Gene Amplification. Humans. Immunohistochemistry. In Situ Hybridization. Male. Middle Aged. Protein Array Analysis. RNA, Messenger / analysis. Reverse Transcriptase Polymerase Chain Reaction. Survival Analysis. Survival Rate. Tumor Suppressor Protein p53

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  • [ErratumIn] Neuropathol Appl Neurobiol. 2006 Oct;32(5):568. Järvellä, S [corrected to Järvelä, Sally]; Järvellä, T [corrected to Järvelä, Timo]
  • (PMID = 16866989.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Chromogenic Compounds; 0 / RNA, Messenger; 0 / Tumor Suppressor Protein p53; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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58. Floeth FW, Sabel M, Stoffels G, Pauleit D, Hamacher K, Steiger HJ, Langen KJ: Prognostic value of 18F-fluoroethyl-L-tyrosine PET and MRI in small nonspecific incidental brain lesions. J Nucl Med; 2008 May;49(5):730-7
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  • [Title] Prognostic value of 18F-fluoroethyl-L-tyrosine PET and MRI in small nonspecific incidental brain lesions.
  • Nonspecific incidental brain lesions (NILs) are being detected more frequently because of an increasing number of screening or research MRI scans of the brain, and their natural course is uncertain.
  • Patients with seizures, focal neurologic deficits, signs of local or systemic infection or inflammation, known brain disease, or any kind of previous cerebral treatment were excluded.
  • Mean lesion-to-brain (L/B) ratios of >or=1.6 on (18)F-FET PET were rated as positive.
  • In group C, 2 NILs grew slowly over years, and an astrocytoma of World Health Organization (WHO) grade II was diagnosed after resection in each case.
  • In group D, 4 NILs showed sudden and rapid growth, with clinical deterioration, and a high-grade glioma of WHO grade III or IV was diagnosed after resection in all cases.
  • CONCLUSION: For NILs, a circumscribed growth pattern on MRI and normal or low (18)F-FET uptake on PET are strong predictors for a benign course, with the eventual development of a low-grade glioma.
  • In contrast, NILs with a diffuse growth pattern on MRI and increased (18)F-FET uptake indicate a high risk for the development of a high-grade glioma.
  • [MeSH-major] Brain / pathology. Positron-Emission Tomography / methods. Tyrosine / analogs & derivatives
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Disease Progression. Female. Glioma / metabolism. Glioma / pathology. Glioma / radionuclide imaging. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Prognosis

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  • (PMID = 18413396.001).
  • [ISSN] 0161-5505
  • [Journal-full-title] Journal of nuclear medicine : official publication, Society of Nuclear Medicine
  • [ISO-abbreviation] J. Nucl. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / O-(2-fluoroethyl)tyrosine; 42HK56048U / Tyrosine
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59. Zhang L, Zhang WP, Hu H, Wang ML, Sheng WW, Yao HT, Ding W, Chen Z, Wei EQ: Expression patterns of 5-lipoxygenase in human brain with traumatic injury and astrocytoma. Neuropathology; 2006 Apr;26(2):99-106
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  • [Title] Expression patterns of 5-lipoxygenase in human brain with traumatic injury and astrocytoma.
  • The levels of leukotrienes increase after brain injury and when tumors are present.
  • It has been reported that 5-LOX is widely expressed in the brain and that 5-LOX inhibition provides neuroprotection.
  • However, there is still no information available for the expression patterns of 5-LOX in human brain following trauma or with astrocytomas.
  • In traumatic brain injury, 5-LOX expression increased in glial cells and neutrophils.
  • No 5-LOX expression was found in brain microvessel endothelia, except in the regenerated endothelia of a patient 8 days following brain trauma.
  • Furthermore, 5-LOX expression increased and showed a granular pattern in high-grade (grade III/IV) astrocytoma.
  • These results indicate that 5-LOX has multiple expression patterns, and can be induced by brain injury, which implies that 5-LOX might have pathophysiological roles in the human brain.
  • [MeSH-major] Arachidonate 5-Lipoxygenase / biosynthesis. Astrocytoma / metabolism. Brain / metabolism. Brain Injuries / metabolism. Brain Neoplasms / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Glial Fibrillary Acidic Protein / metabolism. Humans. Immunohistochemistry. Male. Middle Aged. Neuroglia / metabolism. Neurons / metabolism

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  • (PMID = 16708542.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Glial Fibrillary Acidic Protein; EC 1.13.11.34 / Arachidonate 5-Lipoxygenase
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60. Ritz R, Müller M, Dietz K, Duffner F, Bornemann A, Roser F, Tatagiba M: Hypericin uptake: a prognostic marker for survival in high-grade glioma. J Clin Neurosci; 2008 Jul;15(7):778-83
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  • [Title] Hypericin uptake: a prognostic marker for survival in high-grade glioma.
  • Currently adjuvant chemotherapy for glioblastoma patients can prolong survival time relative to patients who receive only surgery and radiotherapy.
  • Despite these improvements and experimental and clinical efforts the prognosis for glioblastoma patients remains poor.
  • Photodynamic therapy may be a promising therapeutic option in the treatment of glioblastoma.
  • In this investigation we examined whether uptake of hypericin (HY), a fluorescent photosensitization agent, by ex vivo glioblastoma cell lines correlates with prognosis of the individual from which the cell lines were derived.
  • Three patients suffered from an anaplastic astrocytoma, WHO grade III, nine had a glioblastoma, WHO grade IV.
  • In summary, HY uptake by ex vivo glioblastoma cell cultures seems to be positively associated with survival of patients with malignant glioma.
  • [MeSH-major] Brain Neoplasms / drug therapy. Drug Resistance, Neoplasm / genetics. Glioma / drug therapy. Perylene / analogs & derivatives. Photochemotherapy / methods
  • [MeSH-minor] Adult. Aged. Astrocytoma / drug therapy. Astrocytoma / metabolism. Astrocytoma / physiopathology. Cell Line, Tumor. Cell Proliferation. Disease-Free Survival. Drug Therapy. Female. Fluorescence. Glioblastoma / drug therapy. Glioblastoma / metabolism. Glioblastoma / physiopathology. Humans. Light. Lipoproteins, LDL / metabolism. Male. Microscopy, Fluorescence / methods. Middle Aged. Models, Statistical. Predictive Value of Tests. Prognosis. Radiation-Sensitizing Agents / metabolism. Radiotherapy. Survival Rate

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  • [CommentIn] J Clin Neurosci. 2009 Oct;16(10):1381-2 [19595595.001]
  • (PMID = 18394904.001).
  • [ISSN] 0967-5868
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Scotland
  • [Chemical-registry-number] 0 / Lipoproteins, LDL; 0 / Radiation-Sensitizing Agents; 5QD5427UN7 / Perylene; 7V2F1075HD / hypericin
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61. Kitange G, Misra A, Law M, Passe S, Kollmeyer TM, Maurer M, Ballman K, Feuerstein BG, Jenkins RB: Chromosomal imbalances detected by array comparative genomic hybridization in human oligodendrogliomas and mixed oligoastrocytomas. Genes Chromosomes Cancer; 2005 Jan;42(1):68-77
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  • In this study, we used array-based comparative genomic hybridization (CGHa) of mapped BAC DNA to screen for such alterations in 31 oligodendrogliomas (20 grade II, 9 grade III, and 2 grade IV) and 4 mixed oligoastrocytomas (1 grade I, 1 grade II, and 2 grade IV).
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Nucleic Acid Hybridization / genetics. Oligodendroglioma / genetics
  • [MeSH-minor] Adult. Child. Chromosome Mapping. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 19 / genetics. Female. Humans. Male. Middle Aged. Oligonucleotide Array Sequence Analysis

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  • (PMID = 15472895.001).
  • [ISSN] 1045-2257
  • [Journal-full-title] Genes, chromosomes & cancer
  • [ISO-abbreviation] Genes Chromosomes Cancer
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA85799
  • [Publication-type] Journal Article; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
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62. Chang EF, Potts MB, Keles GE, Lamborn KR, Chang SM, Barbaro NM, Berger MS: Seizure characteristics and control following resection in 332 patients with low-grade gliomas. J Neurosurg; 2008 Feb;108(2):227-35
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  • [Title] Seizure characteristics and control following resection in 332 patients with low-grade gliomas.
  • OBJECT: Seizures play an important role in the clinical presentation and postoperative quality of life of patients who undergo surgical resection of low-grade gliomas (LGGs).
  • METHODS: The authors performed a retrospective chart review of all cases involving adult patients who underwent initial surgery for LGGs at the University of California, San Francisco between 1997 and 2003.
  • Cortical location and oligodendroglioma and oligoastrocytoma subtypes were significantly more likely to be associated with seizures compared with deeper midline locations and astrocytoma, respectively (p=0.017 and 0.001, respectively; multivariate analysis).
  • For the cohort of patients that presented with seizures, 12-month outcome after surgery (Engel class) was as follows: seizure free (I), 67%; rare seizures (II), 17%; meaningful seizure improvement (III), 8%; and no improvement or worsening (IV), 9%.
  • Seizure recurrence after initial postoperative seizure control was associated with tumor progression (p=0.001).
  • [MeSH-major] Brain Neoplasms / complications. Glioma / complications. Seizures / etiology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Anticonvulsants / therapeutic use. Cohort Studies. Disease Progression. Epilepsies, Partial / etiology. Epilepsies, Partial / prevention & control. Epilepsy, Complex Partial / etiology. Epilepsy, Complex Partial / prevention & control. Female. Follow-Up Studies. Humans. Male. Middle Aged. Oligodendroglioma / complications. Oligodendroglioma / surgery. Quality of Life. Recurrence. Retrospective Studies. Temporal Lobe / pathology. Time Factors. Treatment Outcome

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  • [CommentIn] Epilepsy Curr. 2009 Jul-Aug;9(4):98-100 [19693324.001]
  • (PMID = 18240916.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Anticonvulsants
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63. Schittenhelm J, Mittelbronn M, Nguyen TD, Meyermann R, Beschorner R: WT1 expression distinguishes astrocytic tumor cells from normal and reactive astrocytes. Brain Pathol; 2008 Jul;18(3):344-53
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  • [Title] WT1 expression distinguishes astrocytic tumor cells from normal and reactive astrocytes.
  • Particularly in small brain biopsies, it might be difficult to distinguish reactive astrogliosis from low-grade or infiltration zones of high-grade astrocytomas.
  • Recently, the over-expression of Wilms' tumor gene product WT1 was reported in astrocytic tumor cells.
  • Therefore, we investigated WT1 expression in paraffin-embedded brain sections from 28 controls, 48 cases with astrogliosis of various etiology and 219 astrocytomas [World Health Organization (WHO) grades I-IV] by immunohistochemistry.
  • In astrocytomas, WT1-positive tumor cells were found in pilocytic astrocytomas (66.7% of cases), diffuse astrocytomas (52.7%) WHO grade II (52.7%), anaplastic astrocytomas (83.4%) and glioblastomas (98.1%).
  • Overall, the majority of all astrocytic neoplasms (84.5%) expressed WT1.
  • Establishing a cut-off value of 0% immunoreactive tumor cells served to recognize neoplastic astrocytes with 100% specificity and 68% sensitivity and was associated with positive and negative predictive values of 1 and 0.68, respectively.
  • [MeSH-major] Astrocytes / metabolism. Astrocytoma / metabolism. Brain Neoplasms / metabolism. Gliosis / metabolism. WT1 Proteins / biosynthesis
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / analysis. Endothelial Cells / metabolism. Female. Gene Expression. Humans. Immunohistochemistry. Male. Middle Aged

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  • (PMID = 18371184.001).
  • [ISSN] 1015-6305
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Switzerland
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / WT1 Proteins
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64. Miyajima Y, Sato Y, Oka H, Utsuki S, Kondo K, Tanizaki Y, Nagashio R, Tsuchiya B, Okayasu I, Fujii K: Prognostic significance of nuclear DJ-1 expression in astrocytoma. Anticancer Res; 2010 Jan;30(1):265-9
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  • [Title] Prognostic significance of nuclear DJ-1 expression in astrocytoma.
  • The present study was conducted to determine whether any correlation exists between the expression of DJ-1 and WHO grading of the tumor or patient prognosis, and to analyze the function of this oncogene in astrocytomas.
  • Twenty-nine formalin-fixed and paraffin-embedded glioblastomas (grade IV), 21 anaplastic astorocytomas (grade III), and 14 diffuse astrocytomas (grade II) were immunohistochemically studied to identify the expression of DJ-1 protein.
  • The expression of DJ-1 was detected both in the nucleus and cytoplasm of tumor cells; however, such expression varied from case to case.
  • The present study demonstrated that the survival of patients with astrocytomas was correlated with the nuclear DJ-1 status of the tumor.
  • We herein demonstrated for the first time that the DJ-1 molecule might therefore play an important role as a tumor suppressor in astrocytomas.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Oncogene Proteins / biosynthesis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Cell Nucleus / metabolism. Female. Humans. Immunohistochemistry. Intracellular Signaling Peptides and Proteins. Male. Middle Aged. Predictive Value of Tests. Prognosis. Young Adult

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  • (PMID = 20150646.001).
  • [ISSN] 1791-7530
  • [Journal-full-title] Anticancer research
  • [ISO-abbreviation] Anticancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Intracellular Signaling Peptides and Proteins; 0 / Oncogene Proteins; 0 / PARK7 protein, human
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65. 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.
  • DESIGN AND METHODS: We measured TGF-beta1, TNF-alpha and cytoplasmic cytochrome c in 30 astrocytic tumors Grade II, III and IV.
  • RESULTS: We found that TNF-alpha and cytochrome c release in Grade IV tends to be significantly lower than those in Grade II, whereas TGF-beta1 did not significantly change in the different grades.
  • 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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66. Wang DL, Wang YF, Shi GS, Huang H: [Correlation of hTERT expression to maspin and bFGF expression and their significance in glioma]. Ai Zheng; 2007 Jun;26(6):601-6
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  • METHODS: The expression of hTERT, maspin, and bFGF in 128 specimens of human glioma and 8 specimens of normal brain tissue were detected by in situ hybridization and SP immunohistochemistry.
  • H-score system of Gatalica was used for semi-quantitative evaluation.
  • The correlations of hTERT, maspin, and bFGF expression to tumor grade were analyzed by Spearman rank correlation analysis.
  • RESULTS: The positive rates of hTERT, maspin, bFGF were 51.6%, 46.9%, and 62.5% respectively in gliomas, and 0, 87.5%, and 0 in normal brain tissues.
  • In the 43 specimens of grade II, 55 specimens of grade III and 30 specimens of grade IV gliomas, the positive rates of hTERT were 32.6%, 54.5%, and 73.3% (P < 0.05); the positive rates of maspin were 58.1%, 49.1%, and 26.7% (P < 0.05); the positive rates of bFGF were 39.5%, 72.7%, and 76.7% (P < 0.05).The expression of hTERT and bFGF were positively correlated to pathologic grade (rho=0.515, P < 0.01; rho=0.611, P < 0.01), while the expression of maspin was negatively correlated to pathologic grade (rho=-0.425, P < 0.05).
  • The expression of hTERT showed no relationship with the age, sex, tumor size, and cell density (P > 0.05), but had obvious relationship with karyokinesis, vessel density, and necrosis (P < 0.05).
  • [MeSH-major] Brain Neoplasms / metabolism. Fibroblast Growth Factor 2 / metabolism. Glioma / metabolism. Serpins / metabolism. Telomerase / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Astrocytoma / metabolism. Astrocytoma / pathology. Brain / metabolism. Child. Female. Gene Expression Regulation, Neoplastic. Glioblastoma / metabolism. Glioblastoma / pathology. Humans. Immunohistochemistry. In Situ Hybridization. Male. Middle Aged. Young Adult

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  • (PMID = 17562265.001).
  • [Journal-full-title] Ai zheng = Aizheng = Chinese journal of cancer
  • [ISO-abbreviation] Ai Zheng
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / SERPIN-B5; 0 / Serpins; 103107-01-3 / Fibroblast Growth Factor 2; EC 2.7.7.49 / TERT protein, human; EC 2.7.7.49 / Telomerase
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67. Revert Ventura AJ, Sanz-Requena R, Martí-Bonmatí L, Jornet J, Piquer J, Cremades A, Carot JM: [Nosological analysis of MRI tissue perfusion parameters obtained using the unicompartmental and pharmacokinetic models in cerebral glioblastomas]. Radiologia; 2010 Sep-Oct;52(5):432-41
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  • OBJECTIVES: To classify the tumor areas in patients with grade IV astrocytoma by calculating and statistically analyzing quantitative MRI perfusion parameters.
  • MATERIAL AND METHODS: We applied two models of MRI perfusion, the unicompartmental and the pharmacokinetic models, in 15 patients diagnosed with grade IV astrocytoma.
  • For each parameter, histograms were obtained for the total tumor area, for the peritumoral area, and for the healthy tissue.
  • CONCLUSION: When parameters are considered individually, CBV is the one that best enables differentiation between tumor, peritumoral, and healthy tissue.
  • [MeSH-major] Brain Neoplasms / diagnosis. Brain Neoplasms / physiopathology. Glioblastoma / diagnosis. Glioblastoma / physiopathology. Magnetic Resonance Angiography
  • [MeSH-minor] Adult. Aged. Cerebrovascular Circulation. Female. Humans. Male. Middle Aged. Retrospective Studies

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  • [Copyright] Copyright © 2009 SERAM. Published by Elsevier Espana. All rights reserved.
  • (PMID = 20655078.001).
  • [ISSN] 0033-8338
  • [Journal-full-title] Radiología
  • [ISO-abbreviation] Radiologia
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Spain
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68. Capper D, Mittelbronn M, Goeppert B, Meyermann R, Schittenhelm J: Secreted protein, acidic and rich in cysteine (SPARC) expression in astrocytic tumour cells negatively correlates with proliferation, while vascular SPARC expression is associated with patient survival. Neuropathol Appl Neurobiol; 2010 Apr;36(3):183-97
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  • [Title] Secreted protein, acidic and rich in cysteine (SPARC) expression in astrocytic tumour cells negatively correlates with proliferation, while vascular SPARC expression is associated with patient survival.
  • As no large-scale study has yet been undertaken, we investigated human brain and astrocytomas for SPARC expression and associations with tumour grade, proliferation, vascular density and patient survival.
  • METHODS: A spectrum of 188 WHO grade I-IV astrocytic tumours and 24 autopsy cases were studied by immunohistochemistry for SPARC, MIB-1 proliferation index and CD31-positive vessels.
  • RESULTS: In normal brain, SPARC is expressed in cortical marginal glia, cerebellar Bergmann glia and focally in white matter but is absent in neurones or vessels.
  • High SPARC expression levels in the cytoplasm of astrocytic tumour cells decreased with the grade of malignancy but showed an increase with grade of malignancy in tumour vessels.
  • While cytoplasmic SPARC staining was not associated with survival, vascular SPARC showed a significant association in the group of grade II-IV tumours (P = 0.02) and also in grade II astrocytomas alone (P = 0.01) with vascular SPARC associated with worse prognosis.
  • [MeSH-major] Astrocytoma / metabolism. Blood Vessels / metabolism. Brain / metabolism. Brain Neoplasms / metabolism. Cell Proliferation. Osteonectin / metabolism
  • [MeSH-minor] Adult. Cell Movement. Cytoplasm / metabolism. Cytoplasm / pathology. Female. Glioblastoma / blood supply. Glioblastoma / metabolism. Glioblastoma / mortality. Humans. Kaplan-Meier Estimate. Male. Middle Aged. Neovascularization, Pathologic. Nerve Fibers, Myelinated / metabolism. Nerve Fibers, Myelinated / pathology. Neuroglia / metabolism. Neuroglia / pathology. Neurons / metabolism. Neurons / pathology. RNA, Messenger / metabolism. Young Adult

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  • (PMID = 20132490.001).
  • [ISSN] 1365-2990
  • [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 / Osteonectin; 0 / RNA, Messenger
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69. Kashyap R, Ryan C, Sharma R, Maloo MK, Safadjou S, Graham M, Tretheway D, Jain A, Orloff M: Liver grafts from donors with central nervous system tumors: a single-center perspective. Liver Transpl; 2009 Oct;15(10):1204-8
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  • [Title] Liver grafts from donors with central nervous system tumors: a single-center perspective.
  • However, it has become a common practice to accept organs from donors that have low-grade tumors or tumors with low metastatic potential.
  • The aim of this study was to analyze our experience with the use of liver grafts from donors with central nervous system (CNS) tumors.
  • A retrospective review of 1173 liver transplants performed between 1992 and 2006 identified 42 donors diagnosed with a CNS tumor.
  • Twenty (47.6%) of the CNS tumors were glioblastoma multiforme (astrocytoma grade IV), 11 (26.2%) were other astrocytomas, and 1 (2.4%) was an anaplastic ependymoma.
  • Twenty (62.5%) neoplasms were grade IV tumors, 8 (25%) were grade II tumors, and 4 (12.5%) were grade III tumors.
  • Over 80% of the patients had at least 1 kind of invasive procedure violating the blood-brain barrier.
  • The rate of recurrence for the entire group was 2.4% (all CNS tumors).
  • There was no difference in survival between recipients of grafts from donors with CNS tumors and recipients of grafts from donors without CNS tumors (1 year: 82% versus 83.3%, P = not significant; 3 years: 77.4% versus 72%, P = not significant).
  • In conclusion, in our experience, despite violation of the blood-brain barrier and high-grade CNS tumors, recurrence was uncommon.
  • [MeSH-major] Central Nervous System Neoplasms / diagnosis. Liver Diseases / therapy. Liver Transplantation / methods. Tissue and Organ Procurement / methods
  • [MeSH-minor] Adult. Blood-Brain Barrier. Female. Humans. Male. Middle Aged. Neoplasm Metastasis. Retrospective Studies. Time Factors. Tissue Donors. Treatment Outcome

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  • [Copyright] Copyright 2009 AASLD
  • [CommentIn] Liver Transpl. 2010 Jul;16(7):916 [20583090.001]
  • [CommentIn] Liver Transpl. 2010 Jul;16(7):914-5 [20583288.001]
  • (PMID = 19790151.001).
  • [ISSN] 1527-6473
  • [Journal-full-title] Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
  • [ISO-abbreviation] Liver Transpl.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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70. Sharma S, Sharma MC, Gupta DK, Sarkar C: Angiogenic patterns and their quantitation in high grade astrocytic tumors. J Neurooncol; 2006 Aug;79(1):19-30
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  • [Title] Angiogenic patterns and their quantitation in high grade astrocytic tumors.
  • BACKGROUND: The objectives of this study on high grade astrocytic tumors were (i) to establish differences, if any, between grades III & IV tumors among angiogenic parameters, both qualitative and quantitative, and (ii) to correlate angiogenic parameters with proliferation indices, namely T2a and MIB1 labeling indices.
  • DESIGN: Twenty nine consecutive cases of WHO grades III (11) and IV (18) astrocytic tumors diagnosed in the year-2004 were studied, using H&E and CD34, MIB1 and T2a immunostaining by streptavidin biotin technique.
  • Statistically significant differences (P<0.05) were seen between grades III and IV in iMVD, aspect, MD and FD, but not in angiogenic patterns or MVA (P = 0.27).
  • Intratumoral endothelial MIB1 LI was significantly higher in grade IV as compared to grade III, but did not correlate with angiogenic parameters.
  • Limited follow up data showed all recurrent grade IV tumors to be of glomeruloid type.
  • CONCLUSION: Increased angiogenesis in grade IV, as compared to grade III, astrocytic tumors is characterized by an increased number/density of vessels: an increase in vessels characterized by disproportionate lengthening and likely associated with the infiltrative properties of the tumors; and an increase in pliable, irregularly shaped or structured vessels.
  • The lack of correlation of these angiogenesis parameters with the MIB1 and T2a proliferation indices reflects the complexity of angiogenesis parameters in high grade gliomas.
  • Further studies are needed to determine the usefulness of the angiogenic parameters in the improved diagnosis (grading) and prognosis of astrocytic tumors.
  • [MeSH-major] Astrocytoma / blood supply. Astrocytoma / pathology. Brain Neoplasms / blood supply. Brain Neoplasms / pathology. Neovascularization, Pathologic
  • [MeSH-minor] Adolescent. Adult. Aged. Cell Proliferation. Female. Humans. Image Processing, Computer-Assisted. Immunohistochemistry. Male. Middle Aged. Retrospective Studies

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  • (PMID = 16807783.001).
  • [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
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71. Hwang SL, Lin CL, Lieu AS, Hwang YF, Howng SL, Hong YR, Chang DS, Lee KS: The expression of thyroid hormone receptor isoforms in human astrocytomas. Surg Neurol; 2008 Dec;70 Suppl 1:S1:4-8; discussion S1:8
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  • BACKGROUND: Thyroid hormone plays a major role in normal mammalian brain maturation and affects the development of astrocytes.
  • METHODS: In this study, RT-PCR was used to examine the expression of human TR isoforms in 34 human astrocytoma samples.
  • RESULTS: We compared the TR expression between low grade (WHO grade II) and high grade (WHO grade III and IV).
  • The frequency of TRalpha1 or TRalpha2 expression significantly decreased with the grade of malignancy (P=.005 and P=.043, respectively).
  • Our result provides insight into the potential use of hormonal therapy for brain tumors that overexpress or underexpress TRs.
  • [MeSH-major] Astrocytoma / metabolism. Brain Neoplasms / metabolism. Receptors, Thyroid Hormone / biosynthesis
  • [MeSH-minor] Adolescent. Adult. Aged. Aging / metabolism. Child. Female. Humans. Male. Middle Aged. RNA / biosynthesis. RNA / genetics. Reverse Transcriptase Polymerase Chain Reaction. Sex Characteristics. Thyroid Hormone Receptors alpha / biosynthesis. Thyroid Hormone Receptors alpha / genetics. Thyroid Hormone Receptors beta / biosynthesis. Thyroid Hormone Receptors beta / genetics

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  • (PMID = 18617237.001).
  • [ISSN] 0090-3019
  • [Journal-full-title] Surgical neurology
  • [ISO-abbreviation] Surg Neurol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Receptors, Thyroid Hormone; 0 / Thyroid Hormone Receptors alpha; 0 / Thyroid Hormone Receptors beta; 63231-63-0 / RNA
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72. 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).
  • 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).
  • 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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73. Haapasalo J, Mennander A, Helen P, Haapasalo H, Isola J: Ultrarapid Ki-67 immunostaining in frozen section interpretation of gliomas. J Clin Pathol; 2005 Mar;58(3):263-8
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  • BACKGROUND: Astrocytic tumours, the most common gliomas, are often classified intraoperatively using standard morphological staining.
  • 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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  • [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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74. Marumoto T, Tashiro A, Friedmann-Morvinski D, Scadeng M, Soda Y, Gage FH, Verma IM: Development of a novel mouse glioma model using lentiviral vectors. Nat Med; 2009 Jan;15(1):110-6
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  • We report the development of a new method to induce glioblastoma multiforme in adult immunocompetent mice by injecting Cre-loxP-controlled lentiviral vectors expressing oncogenes.
  • Cell type- or region-specific expression of activated forms of the oncoproteins Harvey-Ras and AKT in fewer than 60 glial fibrillary acidic protein-positive cells in the hippocampus, subventricular zone or cortex of mice heterozygous for the gene encoding the tumor suppressor Tp53 were tested.
  • Mice developed glioblastoma multiforme when transduced either in the subventricular zone or the hippocampus.
  • Transplantation of brain tumor cells into naive recipient mouse brain resulted in the formation of glioblastoma multiforme-like tumors, which contained CD133(+) cells, formed tumorspheres and could differentiate into neurons and astrocytes.
  • We suggest that the use of Cre-loxP-controlled lentiviral vectors is a novel way to generate a mouse glioblastoma multiforme model in a region- and cell type-specific manner in adult mice.


75. Potter NE, Phipps K, Harkness W, Hayward R, Thompson D, Jacques TS, Harding B, Thomas DG, Rees J, Darling JL, Warr TJ: Astrocytoma derived short-term cell cultures retain molecular signatures characteristic of the tumour in situ. Exp Cell Res; 2009 Oct 1;315(16):2835-46
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  • [Title] Astrocytoma derived short-term cell cultures retain molecular signatures characteristic of the tumour in situ.
  • We have characterised gene expression changes induced by short-term culture in astrocytoma in order to determine whether derived short-term cell cultures are representative of the tumour in situ.
  • We have used the Affymetrix GeneChip U133A to generate gene expression profiles of 6 paediatric pilocytic astrocytoma (PA) biopsies and derived short-term cell cultures and 3 adult glioblastoma multiforme (GBM) biopsies and derived short-term cultures.
  • This gene cohort can distinguish PA and GBM tumours, regardless of the sample source, suggesting that astrocytoma derived short-term cultures do retain key aspects of the global tumour expression profile and are representative of the tumour in situ.
  • Furthermore, these genes are involved in pathways and functions characteristic of adult GBM including VEGF signalling, hypoxia and TP53 signalling.
  • [MeSH-major] Astrocytoma. Biomarkers, Tumor / metabolism. Brain Neoplasms. Tumor Cells, Cultured / metabolism
  • [MeSH-minor] Adult. Animals. Child. Cluster Analysis. Gene Expression Profiling. Gene Expression Regulation, Neoplastic. Humans. Oligonucleotide Array Sequence Analysis. Signal Transduction / physiology

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  • (PMID = 19523942.001).
  • [ISSN] 1090-2422
  • [Journal-full-title] Experimental cell research
  • [ISO-abbreviation] Exp. Cell Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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76. Ebinger M, Senf L, Wachowski O, Scheurlen W: No aberrant methylation of neurofibromatosis 1 gene (NF1) promoter in pilocytic astrocytoma in childhood. Pediatr Hematol Oncol; 2005 Jan-Feb;22(1):83-7
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  • [Title] No aberrant methylation of neurofibromatosis 1 gene (NF1) promoter in pilocytic astrocytoma in childhood.
  • Tumors of the central nervous system are the most frequent solid tumors in childhood.
  • With 30-40% of this heterogenous group, low-grade astrocytomas represent the most common subtype.
  • Neurofibromatosis type 1 (NF1) is strongly associated with the development of pilocytic astrocytoma (PA), frequently appearing as optic glioma.
  • Neurofibromatosis 1 gene (NF1 ) fulfills the criteria of a tumor suppressor gene and is deleted or mutated heterozygously in patients with NF1.
  • To rule out that silencing of NF1 by promoter methylation is restricted to higher-grade astrocytomas, 15 pediatric WHO II degree and IV degree astrocytomas were analyzed: 12 astrocytomas II and 3 glioblastomas displayed no NF1 promoter methylation.
  • The authors conclude that NF1 silencing by methylation plays no role in low-grade astrocytoma.
  • [MeSH-major] DNA Methylation. Gene Silencing. Glioblastoma / genetics. Neurofibromin 1 / genetics. Promoter Regions, Genetic
  • [MeSH-minor] Adolescent. Adult. Child. Child, Preschool. Female. Humans. Infant. Male


77. 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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  • INTRODUCTION: gliomatosis cerebri is a diffuse astrocytic neoplasm that involves more than two lobes of the brain.
  • 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.
  • [MeSH-major] Brain Neoplasms. Neoplasms, Neuroepithelial
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Humans. Male. Middle Aged. Retrospective Studies. Young Adult

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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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78. Xu P, Pu PY, Kang CS, Jia ZF, Zhou X, Wang GX: [Differential expression of Notch1 and Notch2 in astrocytoma and medulloblastoma]. Zhonghua Bing Li Xue Za Zhi; 2008 Jul;37(7):450-3
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  • [Title] [Differential expression of Notch1 and Notch2 in astrocytoma and medulloblastoma].
  • OBJECTIVE: To detect the differential expression of Notch1 and Notch2 in human astrocytoma and medulloblastoma; and to study the role of Notch1 and Notch2 in the development of both tumors.
  • METHODS: Immunohistochemical staining (SP method) and Western blot analysis were used to detect Notch1 and Notch2 expression in tissue arrays and freshly resected samples of normal brain tissue, astrocytoma and medulloblastoma.
  • RESULTS: Notch1 and Notch2 were negative in normal human brain tissue.
  • Notch1 was highly expressed (total positive rate 80.0%, 48/60) while Notch2 was not detected in grade IV astrocytomas and sporadically observed in lower grade astrocytomas (total positive rate 10.0%, 6/60).
  • The percentage of positive tumor cells and expression level of Notch1 increased with higher histologic grade (r = 0.859, P < 0.05).
  • CONCLUSIONS: Notch1 and Notch2 show differential expression in astrocytoma and medulloblastoma.
  • This may be related to their different functional activities during the process of brain development.
  • [MeSH-major] Astrocytoma / metabolism. Biomarkers, Tumor / metabolism. Medulloblastoma / metabolism. Receptor, Notch1 / metabolism. Receptor, Notch2 / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Brain / metabolism. Brain Neoplasms / metabolism. Child. Child, Preschool. Female. Gene Expression Regulation, Neoplastic. Humans. Male. Middle Aged. Young Adult

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  • (PMID = 19035115.001).
  • [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
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Receptor, Notch1; 0 / Receptor, Notch2
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79. Kleinschmidt-DeMasters BK, Meltesen L, McGavran L, Lillehei KO: Characterization of glioblastomas in young adults. Brain Pathol; 2006 Oct;16(4):273-86
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  • Most adult glioblastoma multiformes (GBMs) present in patients 45-70 years old; tumors occurring at the extremes of the adult age spectrum are uncommon, and seldom studied.
  • We hypothesized that young-adult GBMs would differ from elderly-adult and from pediatric GBMs.
  • Twenty-eight (74%) of our 38 young-adult GBM patients had primary de novo tumors, two of which occurred in patients with cancer syndromes.
  • GBMs in young adults are a more inhomogeneous tumor group than GBMs occurring in older adult patients and show features that overlap with both pediatric and adult GBMs.
  • [MeSH-major] Brain Neoplasms / mortality. Brain Neoplasms / pathology. Glioblastoma / mortality. Glioblastoma / pathology
  • [MeSH-minor] Adolescent. Adult. Female. Humans. Immunohistochemistry. In Situ Hybridization, Fluorescence. Ki-67 Antigen / metabolism. Male. Mitotic Index. Neoplasms, Radiation-Induced. Neoplasms, Second Primary / mortality. Neoplasms, Second Primary / pathology. Prognosis. Receptor, Epidermal Growth Factor / metabolism. Survival Analysis. Tumor Suppressor Protein p53 / metabolism

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  • (PMID = 17107596.001).
  • [ISSN] 1015-6305
  • [Journal-full-title] Brain pathology (Zurich, Switzerland)
  • [ISO-abbreviation] Brain Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Switzerland
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / Tumor Suppressor Protein p53; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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80. Cui W, Kong X, Cao HL, Wang X, Gao JF, Wu RL, Wang XC: [Mutations of p53 gene in 41 cases of human brain gliomas]. Ai Zheng; 2008 Jan;27(1):8-11
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  • [Title] [Mutations of p53 gene in 41 cases of human brain gliomas].
  • The mutation rate of p53 gene was significantly higher in grade III-IV gliomas than in grade I-II gliomas (P<0.01).
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Genes, p53 / genetics. Mutation, Missense. Tumor Suppressor Protein p53 / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Amino Acid Sequence. Base Sequence. Child. Exons. Female. Frameshift Mutation. Glioblastoma / genetics. Humans. Male. Middle Aged. Oligodendroglioma / genetics. Point Mutation. Polymerase Chain Reaction. Polymorphism, Single-Stranded Conformational. Sequence Analysis, DNA. Young Adult

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  • (PMID = 18184456.001).
  • [Journal-full-title] Ai zheng = Aizheng = Chinese journal of cancer
  • [ISO-abbreviation] Ai Zheng
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Tumor Suppressor Protein p53
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81. Hur H, Jung S, Jung TY, Kim IY: Cerebellar glioblastoma multiforme in an adult. J Korean Neurosurg Soc; 2008 Apr;43(4):194-7
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  • [Title] Cerebellar glioblastoma multiforme in an adult.
  • Primary cerebellar glioblastoma multiforme (GBM) is a rare tumor in adults that accounts for just 1% of all cases of GBM.
  • After operation, glioblastoma was histologically confirmed.

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  • (PMID = 19096643.001).
  • [ISSN] 2005-3711
  • [Journal-full-title] Journal of Korean Neurosurgical Society
  • [ISO-abbreviation] J Korean Neurosurg Soc
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Korea (South)
  • [Other-IDs] NLM/ PMC2588262
  • [Keywords] NOTNLM ; Cerebellum / Differential diagnosis / Glioblastoma multiforme / Pathogenesis
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82. Guan X, Lai S, Lackey J, Shi J, Techavipoo U, Moulding HD, Flanders AE, Andrews DW: Revisiting anaplastic astrocytomas II: further characterization of an expansive growth pattern with visually enhanced diffusion tensor imaging. J Magn Reson Imaging; 2008 Dec;28(6):1322-36
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  • Tumor growth patterns were assigned to expansive or mixed/infiltrative classes as described in the companion article (24).
  • Infiltrating tumors were WHO Grade IV astrocytomas and all expansive tumors were either WHO Grade III astrocytomas or WHO Grade II astrocytomas.
  • DTI-based white matter tractography was conducted and the DTI data were fused with anatomical images using an in-house software package we developed to enhance the visualization of the tumor/fiber interface.
  • RESULTS: Out of the 19 tumor patients studied, 11 had infiltrative tumors and the other 8 had expansive tumors.
  • While less clear with 2D axial diffusion color maps, visually enhanced 3D reconstructions of the tumor/fiber interface successfully corroborated distinctive growth patterns.
  • This was particularly evident when viewed in 3D video loops of each tumor/fiber interface.
  • CONCLUSION: We have successfully developed software that visually enhances the anatomic details of the tumor/fiber interface in patients with anaplastic astrocytomas.
  • These data support the existence of a subgroup of patients within the WHO Grade III classification with expansive tumors and a significantly better prognosis.
  • [MeSH-major] Astrocytoma / pathology. Brain Neoplasms / pathology. Diffusion Magnetic Resonance Imaging / methods. Image Enhancement / methods. Image Processing, Computer-Assisted
  • [MeSH-minor] Adult. Aged. Female. Humans. Imaging, Three-Dimensional. Magnetic Resonance Imaging, Interventional. Male. Middle Aged. Neoplasm Staging

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  • [Copyright] (c) 2008 Wiley-Liss, Inc.
  • (PMID = 19025901.001).
  • [ISSN] 1053-1807
  • [Journal-full-title] Journal of magnetic resonance imaging : JMRI
  • [ISO-abbreviation] J Magn Reson Imaging
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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83. Blumenthal DT, Rankin C, Eyre HJ, Livingston RB, Spence AM, Stelzer KJ, Rushing EJ, Berger MS, Rivkin SE, Cohn AL, Petersdorf SH: External beam irradiation and the combination of cisplatin and carmustine followed by carmustine alone for the treatment of high-grade glioma: a phase 2 Southwest Oncology Group trial. Cancer; 2008 Aug 1;113(3):559-65
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  • [Title] External beam irradiation and the combination of cisplatin and carmustine followed by carmustine alone for the treatment of high-grade glioma: a phase 2 Southwest Oncology Group trial.
  • BACKGROUND: The poor prognosis reported for patients with high-grade glial neoplasms indicates a need for the development of multimodality therapeutic approaches.
  • METHODS: SWOG 9016 study included 59 eligible patients with grade III or IV astrocytoma who received radiotherapy concurrently with carmustine/cisplatin chemotherapy.
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Brain Neoplasms / drug therapy. Brain Neoplasms / radiotherapy. Carmustine / administration & dosage. Cisplatin / administration & dosage. Glioma / drug therapy. Glioma / radiotherapy
  • [MeSH-minor] Adolescent. Adult. Aged. Combined Modality Therapy. Female. Humans. Male. Middle Aged. Neoplasm Staging. Radiotherapy, Conformal / methods. Southwestern United States. Survival Analysis. Treatment Outcome

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  • [Copyright] (c) 2008 American Cancer Society
  • (PMID = 18521920.001).
  • [ISSN] 0008-543X
  • [Journal-full-title] Cancer
  • [ISO-abbreviation] Cancer
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / U10 CA038926
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Multicenter Study
  • [Publication-country] United States
  • [Chemical-registry-number] Q20Q21Q62J / Cisplatin; U68WG3173Y / Carmustine
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84. Yoshino A, Katayama Y, Yokoyama T, Watanabe T, Ogino A, Ota T, Komine C, Fukushima T, Kusama K: Therapeutic implications of interferon regulatory factor (IRF)-1 and IRF-2 in diffusely infiltrating astrocytomas (DIA): response to interferon (IFN)-beta in glioblastoma cells and prognostic value for DIA. J Neurooncol; 2005 Sep;74(3):249-60
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  • [Title] Therapeutic implications of interferon regulatory factor (IRF)-1 and IRF-2 in diffusely infiltrating astrocytomas (DIA): response to interferon (IFN)-beta in glioblastoma cells and prognostic value for DIA.
  • To gain a better insight into these mechanisms, we investigated the signaling pathways focusing particularly on interferon regulatory factor 1 (IRF-1) and IRF-2 in glioblastoma cell lines.
  • Furthermore, we assessed the expression of type I IFN receptor, IRF-1, and IRF-2 using immunohistochemical techniques in 63 DIA (15 of WHO grade II, 18 of grade III, and 30 of grade IV), and analyzed their impact on prognosis.
  • On the other hand, the IRF-1 LI and IRF-1/IRF-2 LI ratio were greater in low-grade DAI, and were negatively correlated with the histopathological grade in DIA (P=0.017 and P=0.001, respectively).
  • However, the relation was not statistically significant when only patients with high-grade DIA were assessed.
  • [MeSH-major] Astrocytoma / drug therapy. Brain Neoplasms / drug therapy. Glioblastoma / drug therapy. Interferon Regulatory Factor-1 / metabolism. Interferon Regulatory Factor-2 / metabolism. Interferon-beta / pharmacology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Antineoplastic Agents / pharmacology. Apoptosis / drug effects. Apoptosis / physiology. Blotting, Western. Caspases / drug effects. Caspases / metabolism. Cell Line, Tumor. Cell Survival / drug effects. Dose-Response Relationship, Drug. Enzyme Activation / drug effects. Enzyme Activation / physiology. Female. Humans. Immunohistochemistry. Male. Middle Aged. Prognosis. Receptors, Interferon / metabolism

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  • (PMID = 16187022.001).
  • [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 / Interferon Regulatory Factor-1; 0 / Interferon Regulatory Factor-2; 0 / Receptors, Interferon; 77238-31-4 / Interferon-beta; EC 3.4.22.- / Caspases
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85. Salvati M, D'Elia A, Melone GA, Brogna C, Frati A, Raco A, Delfini R: Radio-induced gliomas: 20-year experience and critical review of the pathology. J Neurooncol; 2008 Sep;89(2):169-77
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  • There were 14 cases of glioblastoma (grade IV WHO) and 2 cases of astrocytoma (grade II WHO), with a mean latency time of 17 years (range: 6-26 years).
  • [MeSH-major] Brain Neoplasms / etiology. Brain Neoplasms / pathology. Cranial Irradiation / adverse effects. Glioma / etiology. Glioma / pathology
  • [MeSH-minor] Adult. Aged. Female. Humans. Male. Middle Aged. Retrospective Studies. Survival Analysis

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  • (PMID = 18566750.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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86. Vital AL, Tabernero MD, Castrillo A, Rebelo O, Tão H, Gomes F, Nieto AB, Resende Oliveira C, Lopes MC, Orfao A: Gene expression profiles of human glioblastomas are associated with both tumor cytogenetics and histopathology. Neuro Oncol; 2010 Sep;12(9):991-1003
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  • [Title] Gene expression profiles of human glioblastomas are associated with both tumor cytogenetics and histopathology.
  • Here, we analyzed the GEP (U133Plus2.0 chip) of 40 gliomas (35 astrocytic tumors, 3 oligodendrogliomas, and 2 mixed tumors) and their association with tumor cytogenetics and histopathology.
  • Unsupervised and supervised analyses showed significantly different GEP in low- vs high-grade gliomas, the most discriminating genes including genes involved in the regulation of cell proliferation, apoptosis, DNA repair, and signal transduction.
  • In turn, among glioblastoma multiforme (GBM), 3 subgroups of tumors were identified according to their GEP, which were closely associated with the cytogenetic profile of their ancestral tumor cell clones: (i) EGFR amplification, (ii) isolated trisomy 7, and (iii) more complex karyotypes.
  • In summary, our results show a clear association between the GEP of gliomas and tumor histopathology; additionally, among grade IV astrocytoma, GEP are significantly associated with the cytogenetic profile of the ancestral tumor cell clone.
  • [MeSH-major] Brain Neoplasms / genetics. Brain Neoplasms / pathology. Gene Expression Profiling. Glioblastoma / genetics. Glioblastoma / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Cluster Analysis. Cytogenetics. Female. Humans. In Situ Hybridization, Fluorescence. Male. Middle Aged. Oligonucleotide Array Sequence Analysis. Young Adult

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  • (PMID = 20484145.001).
  • [ISSN] 1523-5866
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC2940695
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87. 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
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  • [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
  • [MeSH-minor] Adult. Aged. Enzyme Induction. Female. Gene Expression Regulation, Enzymologic. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. Male. Middle Aged. Retrospective Studies

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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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88. Zhang JP, Shi HL, Sai K, Yue WY, Mu YG, Zhang XH, Chen ZP: [Individualized chemotherapy based on drug sensitivity and resistance assay and MGMT protein expression for patients with malignant glioma--analysis of 42 cases]. Ai Zheng; 2006 Dec;25(12):1533-7
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  • The fresh tumor tissues obtained during operation were immediately sent for CSRAs using MTT assay.
  • Hematologic toxicities were the main adverse events observed in this study, included grade IV anemia (1%), grade III-IV leukopenia (28%), and grade III-IV thrombocytopenia (8%).
  • [MeSH-major] Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Brain Neoplasms / drug therapy. Drug Resistance, Neoplasm. Glioma / drug therapy. O(6)-Methylguanine-DNA Methyltransferase / metabolism
  • [MeSH-minor] Adolescent. Adult. Astrocytoma / drug therapy. Astrocytoma / metabolism. Astrocytoma / radiotherapy. Astrocytoma / surgery. Child. Cisplatin / adverse effects. Cisplatin / therapeutic use. Dacarbazine / adverse effects. Dacarbazine / analogs & derivatives. Dacarbazine / therapeutic use. Etoposide / adverse effects. Etoposide / therapeutic use. Female. Gene Expression Regulation, Neoplastic. Glioblastoma / drug therapy. Glioblastoma / metabolism. Glioblastoma / radiotherapy. Glioblastoma / surgery. Humans. Male. Middle Aged. Nausea / chemically induced. Neutropenia / chemically induced. Remission Induction. Young Adult

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  • (PMID = 17166381.001).
  • [Journal-full-title] Ai zheng = Aizheng = Chinese journal of cancer
  • [ISO-abbreviation] Ai Zheng
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 6PLQ3CP4P3 / Etoposide; 7GR28W0FJI / Dacarbazine; 85622-93-1 / temozolomide; EC 2.1.1.63 / O(6)-Methylguanine-DNA Methyltransferase; Q20Q21Q62J / Cisplatin
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89. Tunici P, Yu JS: Pituitary adenoma stem cells. Methods Mol Biol; 2009;568:195-201
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  • The identification of a subpopulation of brain tumor cells with potent tumorigenic capacity strengthens the cancer stem cell hypothesis of the origin of the tumors that has recently attracted the attention of many researchers.
  • Reports have been published on the identification of tumor cells with stem cells characteristics in different types of tumors (acute myelogenic leukemia, breast cancer, prostate cancer, bone sarcomas, liver cancer, and melanomas).
  • We and other groups have previously reported the isolation of cancer stem cells from adult glioblastoma multiforme.
  • In vivo they give a tumor that recapitulates the characteristics of the tumor in the patient.
  • More recently we have isolated tumor stem-like cells also from benign tumors like pituitary adenomas.
  • The immunocytochemical analysis revealed that pituitary tumor stem-like cells are positives for nestin and, when grown for ten days in differentiation medium they express GFAP, BIII tubulin, and S-100.
  • In vitro tumor stem-like cells derived from a patient with a somatotroph adenoma showed high production of growth hormone and prolactin, while cells derived from the same patient but grown in presence of fetal bovine serum showed no production of hormones.

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  • (PMID = 19582428.001).
  • [ISSN] 1064-3745
  • [Journal-full-title] Methods in molecular biology (Clifton, N.J.)
  • [ISO-abbreviation] Methods Mol. Biol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 12629-01-5 / Human Growth Hormone; 9002-62-4 / Prolactin
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90. Ward SJ, Karakoula K, Phipps KP, Harkness W, Hayward R, Thompson D, Jacques TS, Harding B, Darling JL, Thomas DG, Warr TJ: Cytogenetic analysis of paediatric astrocytoma using comparative genomic hybridisation and fluorescence in-situ hybridisation. J Neurooncol; 2010 Jul;98(3):305-18
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  • [Title] Cytogenetic analysis of paediatric astrocytoma using comparative genomic hybridisation and fluorescence in-situ hybridisation.
  • Little is known about the cytogenetic and molecular genetic events that lead to the formation of paediatric astrocytoma.
  • We have analysed 57 paediatric astrocytoma (WHO grades I-IV) using comparative genomic hybridisation in order to identify common regions of abnormality.
  • The presence of copy number alterations was significantly associated with increasing grade of malignancy, and gain of 12q and the presence of high-copy number amplification were associated with a poor outcome in patients with malignant astrocytoma (P = 0.0039 and 0.0085, respectively).
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Comparative Genomic Hybridization / methods. In Situ Hybridization, Fluorescence / methods
  • [MeSH-minor] Adolescent. Analysis of Variance. Child. Child, Preschool. Chromosome Aberrations. Chromosome Disorders / genetics. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 12 / genetics. Chromosomes, Human, Pair 7 / genetics. Chromosomes, Human, Pair 8 / genetics. Female. Humans. Infant. Male. Pediatrics. Survival Analysis. Young Adult

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  • (PMID = 20052518.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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91. Capper D, Mittelbronn M, Meyermann R, Schittenhelm J: Pitfalls in the assessment of MGMT expression and in its correlation with survival in diffuse astrocytomas: proposal of a feasible immunohistochemical approach. Acta Neuropathol; 2008 Feb;115(2):249-59
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Implementation of this data in routine clinical diagnostics is limited due to often inappropriate study designs, e.g. pooling of tumor entities, WHO grades or primary and secondary glioblastomas, disregard concerning the infiltration zone or various epidemiological factors.
  • For this, 162 astrocytic tumors WHO II-IV (36 diffuse astrocytomas WHO II, 51 anaplastic astrocytomas, 75 primary glioblastomas) as well as 25 glioblastoma infiltration zones and 19 glioblastoma relapses were analyzed for immunohistochemical MGMT protein expression using tissue microarray technique.
  • Expression of MGMT significantly decreased from WHO grade II (25.6%) to glioblastoma (16.8%, p = 0.01) with lowest levels in grade III tumors (10.2%, II/III p < 0.0001).
  • Significant negative associations of MGMT and survival were detected for WHO grade II and IV (p = 0.003 and 0.013).
  • We conclude that immunohistochemical MGMT assessment has potential as a powerful diagnostic tool but analysis should only be performed in a grade dependent manner, before radio-/chemotherapy and with special attention to the infiltration zone of diffuse astrocytomas.
  • [MeSH-major] Astrocytoma / metabolism. Astrocytoma / mortality. Biomarkers, Tumor / analysis. Brain Neoplasms / metabolism. Brain Neoplasms / mortality. DNA Modification Methylases / biosynthesis. DNA Repair Enzymes / biosynthesis. Tumor Suppressor Proteins / biosynthesis
  • [MeSH-minor] Adult. Antineoplastic Agents / therapeutic use. Female. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Male. Middle Aged. Neurosurgical Procedures. Prognosis. Radiotherapy. Tissue Array Analysis

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  • (PMID = 17965865.001).
  • [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 / Antineoplastic Agents; 0 / Biomarkers, Tumor; 0 / Tumor Suppressor Proteins; EC 2.1.1.- / DNA Modification Methylases; EC 2.1.1.63 / MGMT protein, human; EC 6.5.1.- / DNA Repair Enzymes
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92. Jayawardena S, Sooriabalan D, Indulkar S, Kim HH, Matin A, Maini A: Regression of grade III astrocytoma during the treatment of CML with imatinib mesylate. Am J Ther; 2006 Sep-Oct;13(5):458-9
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  • [Title] Regression of grade III astrocytoma during the treatment of CML with imatinib mesylate.
  • Astrocytomas are central nervous system neoplasms, which are derived predominately from astrocytes.
  • On the basis of the histopathologic characteristics astrocytomas are graded from I to IV.
  • The cells that demonstrate the greatest degree of anaplasia are used to determine the histologic grade of the tumor.
  • The mean age of survival are approximately 10 years from the time of diagnosis for pilocystic astrocytomas (World Health Organization grade I), more than 5 years for patients with low-grade diffuse astrocytomas (WHO grade II), 2 to 5 years for those with anaplastic astrocytomas (WHO grade III), and less than 1 year for patients with glioblastoma (WHO grade IV).
  • The treatment is a combination of surgery, radiation, and chemotherapy depending of the grade of astrocytoma.
  • We present a case of 31-year-old man with grade III astrocytoma with subsequent chronic myelogenous leukemia treated with imatinib mesylate as part of his chronic myelogenous leukemia treatment failing to show recurrence of the astrocytoma 10 years after standard treatment for astrocytoma.
  • [MeSH-major] Antineoplastic Agents / therapeutic use. Astrocytoma / drug therapy. Brain Neoplasms / drug therapy. Leukemia, Myeloid, Acute / drug therapy. Piperazines / therapeutic use. Pyrimidines / therapeutic use
  • [MeSH-minor] Adult. Benzamides. Combined Modality Therapy. Humans. Imatinib Mesylate. Magnetic Resonance Imaging. Male

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  • (PMID = 16988542.001).
  • [ISSN] 1075-2765
  • [Journal-full-title] American journal of therapeutics
  • [ISO-abbreviation] Am J Ther
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Benzamides; 0 / Piperazines; 0 / Pyrimidines; 8A1O1M485B / Imatinib Mesylate
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93. El Andaloussi A, Lesniak MS: An increase in CD4+CD25+FOXP3+ regulatory T cells in tumor-infiltrating lymphocytes of human glioblastoma multiforme. Neuro Oncol; 2006 Jul;8(3):234-43
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  • [Title] An increase in CD4+CD25+FOXP3+ regulatory T cells in tumor-infiltrating lymphocytes of human glioblastoma multiforme.
  • These cells play a crucial role in the control of tumor immune response.
  • In this study, we evaluated the distribution of Tr cells in tumor-infiltrating lymphocytes of human glioblastoma multiforme and examined the difference between the brain and autologous blood with respect to Tr cells.
  • Glioma samples from 10 patients were classified as WHO grade IV astrocytoma.
  • The expression of CD4+CD25+FOXP3+ T cells was significantly higher in patients with glioblastoma multiforme than in controls.
  • In light of these findings, Tr cells may represent a potential target for immunotherapy of malignant brain tumors.
  • [MeSH-major] Forkhead Transcription Factors / blood. Glioblastoma / blood. Interleukin-2 Receptor alpha Subunit / blood. Lymphocytes, Tumor-Infiltrating / metabolism. T-Lymphocytes, Regulatory / metabolism
  • [MeSH-minor] Adult. Antigens, CD4 / blood. CD4-Positive T-Lymphocytes / immunology. CD4-Positive T-Lymphocytes / metabolism. Female. Humans. Male. Middle Aged

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  • (PMID = 16723631.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD4; 0 / FOXP3 protein, human; 0 / Forkhead Transcription Factors; 0 / Interleukin-2 Receptor alpha Subunit
  • [Other-IDs] NLM/ PMC1871953
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94. Lu Z, Wang Y, Zhang Q, Zhang X, Wang S, Xie H, Li Y, Jiao B, Zhang J: Association between the functional polymorphism in the matrix metalloproteinase-7 promoter and susceptibility to adult astrocytoma. Brain Res; 2006 Nov 6;1118(1):6-12
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  • [Title] Association between the functional polymorphism in the matrix metalloproteinase-7 promoter and susceptibility to adult astrocytoma.
  • To study the association between the A to G transition at the -181-bp position in the promoter of matrix metalloproteinase-7 gene (MMP-7-181A/G) and susceptibility to adult astrocytoma, the MMP-7-181A/G polymorphism was genotyped by PCR-RFLP analysis among 221 adult astrocytoma patients and 366 healthy controls in a population of northern China.
  • The result showed that the overall distribution of the MMP-7 genotypes among astrocytoma patients and healthy controls was significantly different (P<0.001).
  • Compared with the A/A genotype, the G/G genotype significantly increased the risk to the development of astrocytoma (age and gender adjusted OR=2.77, 95% CI=1.27-6.02), while the MMP-7 A/G genotype only marginally increased the risk of developing this cancer (age and gender adjusted OR=1.66, 95% CI=0.99-2.84).
  • Stratification analysis showed that the G/G genotype significantly increased the risk of astrocytoma only among male subjects (age adjusted OR=3.24, 95% CI=1.12-9.41) and individuals younger than 45 years (age and gender adjusted OR=3.16, 95% CI=1.09-9.16).
  • When stratified by histological grades, a significant higher risk for developing grade II astrocytoma was observed among individuals harboring the A/G genotype (age and gender adjusted OR=2.06, 95% CI=1.05-4.05), while an about 3-fold elevation of risk to develop grades II, III, and IV astrocytomas was observed among individuals with the G/G genotype.
  • The present result, for the first time, suggested that the MMP-7-181A/G polymorphism might be associated with the susceptibility to adult astrocytoma.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Genetic Predisposition to Disease / genetics. Matrix Metalloproteinase 7 / genetics. Polymorphism, Genetic / genetics. Promoter Regions, Genetic / genetics
  • [MeSH-minor] Adult. Age Factors. Biomarkers, Tumor / genetics. DNA Mutational Analysis. Female. Gene Frequency. Genetic Markers / genetics. Genetic Testing. Genotype. Humans. Male. Middle Aged. Sex Factors

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  • (PMID = 16956593.001).
  • [ISSN] 0006-8993
  • [Journal-full-title] Brain research
  • [ISO-abbreviation] Brain Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Genetic Markers; EC 3.4.24.23 / Matrix Metalloproteinase 7
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95. La Torre D, de Divitiis O, Conti A, Angileri FF, Cardali S, Aguennouz M, Aragona M, Panetta S, d'Avella D, Vita G, La Torre F, Tomasello F: Expression of telomeric repeat binding factor-1 in astroglial brain tumors. Neurosurgery; 2005 Apr;56(4):802-10
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Expression of telomeric repeat binding factor-1 in astroglial brain tumors.
  • The present study was designed to assess TRF1 expression in human astroglial brain tumors and to speculate on the clinical implications of its expression.
  • METHODS: Twenty flash-frozen surgical specimens obtained from adult patients who underwent craniotomy for microsurgical tumor resection, histologically verified as World Health Organization Grade II to IV astrocytomas, were used.
  • RESULTS: TRF1 was expressed in all tumor samples.
  • The level of its expression was variable, decreasing from low-grade through high-grade astrocytomas (P = 0.0032).
  • CONCLUSION: Our findings suggest that the loss of TRF1 expression capability, as a result of down-regulation of TRF1 expression in malignant gliomas cells, may play a role in the malignant progression of astroglial brain tumors.
  • [MeSH-major] Astrocytoma / genetics. Brain Neoplasms / genetics. Telomeric Repeat Binding Protein 1 / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Craniotomy. Female. Humans. Male. Microsurgery. Middle Aged

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  • (PMID = 15792519.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Telomeric Repeat Binding Protein 1
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96. Liu X, Chen N, Wang X, He Y, Chen X, Huang Y, Yin W, Zhou Q: Apoptosis and proliferation markers in diffusely infiltrating astrocytomas: profiling of 17 molecules. J Neuropathol Exp Neurol; 2006 Sep;65(9):905-13
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  • We examined the expression profile of the caspases (CASP3, 6, 7, 8, 9, 10, and 14), APAF1, SMAC, BCL2, the IAPs (BIRC5/survivin, CIAP1, CIAP2, XIAP, and LIVIN), and the proliferation markers Ki67 and PHH3 in 78 diffusely infiltrating astrocytomas and 24 normal brain samples by immunohistochemistry.
  • Our data showed BIRC5 nuclear labeling index (BIRC5-N) was the apoptosis marker most significantly different in World Health Organization grade II to IV astrocytomas and most strongly associated with proliferative activity.
  • Expression level of other apoptosis-related proteins was modest or low in astrocytomas and did not correlate significantly with tumor grade or proliferation.
  • Apoptosis regulators and proliferation markers were not detected in astrocytes of normal brain by immunostaining.
  • This expression profile suggested involvement of apoptosis regulators in astrocytoma tumorigenesis, but tumor progression was more closely associated with proliferative advantages of which BIRC5 nuclear expression appeared to be a manifestation.
  • [MeSH-major] Apoptosis. Apoptosis Regulatory Proteins / metabolism. Astrocytoma / metabolism. Brain Neoplasms / metabolism. Microtubule-Associated Proteins / metabolism. Neoplasm Proteins / metabolism. Nuclear Proteins / metabolism
  • [MeSH-minor] Adult. Aged. Blotting, Western / methods. Female. Gene Expression Regulation, Neoplastic / physiology. Humans. Immunohistochemistry / methods. Inhibitor of Apoptosis Proteins. Male. Middle Aged. RNA, Messenger / genetics. RNA, Messenger / metabolism. Reverse Transcriptase Polymerase Chain Reaction / methods. Statistics, Nonparametric

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  • (PMID = 16957584.001).
  • [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 / Apoptosis Regulatory Proteins; 0 / BIRC5 protein, human; 0 / Inhibitor of Apoptosis Proteins; 0 / Microtubule-Associated Proteins; 0 / Neoplasm Proteins; 0 / Nuclear Proteins; 0 / RNA, Messenger
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97. Morgan RJ, Synold T, Mamelak A, Lim D, Al-Kadhimi Z, Twardowski P, Leong L, Chow W, Margolin K, Shibata S, Somlo G, Yen Y, Frankel P, Doroshow JH: Plasma and cerebrospinal fluid pharmacokinetics of topotecan in a phase I trial of topotecan, tamoxifen, and carboplatin, in the treatment of recurrent or refractory brain or spinal cord tumors. Cancer Chemother Pharmacol; 2010 Oct;66(5):927-33
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  • [Title] Plasma and cerebrospinal fluid pharmacokinetics of topotecan in a phase I trial of topotecan, tamoxifen, and carboplatin, in the treatment of recurrent or refractory brain or spinal cord tumors.
  • METHODS: Tamoxifen 100 mg po bid, topotecan 0.25, 0.5, 0.75, or 1.0 mg/m(2)/d IV, administered as a 72 h continuous infusion on days 1-3, followed by carboplatin AUC = 3, IV on day 3.
  • The tumors included glioblastoma (6), anaplastic astrocytoma (2), metastatic non-small cell (3), small cell lung (2), and one each with medulloblastoma, ependymoma, and metastatic breast or colon carcinoma.
  • 4/8 pts with high-grade gliomas had stable disease (median: 3 cycles (range 2-5)).
  • CONCLUSIONS: The recommended phase II doses are: tamoxifen 100 mg po bid, topotecan 0.75 mg/m(2)/d IV continuous infusion for 72 h, followed by carboplatin AUC = 3 IV on day 3.

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  • (PMID = 20107803.001).
  • [ISSN] 1432-0843
  • [Journal-full-title] Cancer chemotherapy and pharmacology
  • [ISO-abbreviation] Cancer Chemother. Pharmacol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P30 CA033572; United States / NCI NIH HHS / CA / P30 CA033572-26; United States / NCI NIH HHS / CA / CA 33572
  • [Publication-type] Clinical Trial, Phase I; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 094ZI81Y45 / Tamoxifen; 7M7YKX2N15 / Topotecan; BG3F62OND5 / Carboplatin
  • [Other-IDs] NLM/ NIHMS335377; NLM/ PMC3265324
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98. El-Rayes BF, Norton CS, Sakr W, Maciorowski Z, Smith D, Pietraszkiewicz H, Del Mar Alonso M, Ensley JF: Cellular DNA content parameters as prognostic indicators in human astrocytomas. J Neurooncol; 2005 Jan;71(2):85-9
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  • OBJECTIVE: Clinical parameters such as grade, size and/or location of the tumor are good predictors of outcome in patients with astrocytoma.
  • METHODS: Following optimization and validation of methodology for evaluating cellular DNA content parameters (CDCP), tumor DNA ploidy and percent S phase fraction (SPF) were determined from 64 patients using formalin fixed, paraffin embedded specimens (mean coefficient of variation=4.94) obtained over a 10-year period.
  • Median survival times correlated with grade (I/II=1154 vs. III/IV=483days, P=0.0317).
  • [MeSH-major] Astrocytoma / metabolism. Central Nervous System Neoplasms / metabolism. DNA, Neoplasm / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Aneuploidy. Antineoplastic Agents / therapeutic use. Diploidy. Female. Flow Cytometry. Humans. Male. Middle Aged. Prognosis. Radiotherapy. S Phase. Survival Analysis

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  • (PMID = 15690121.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA 40498-01A1; United States / NCI NIH HHS / CA / P30CA22453
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.; Validation Studies
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / DNA, Neoplasm
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99. Paugh BS, Qu C, Jones C, Liu Z, Adamowicz-Brice M, Zhang J, Bax DA, Coyle B, Barrow J, Hargrave D, Lowe J, Gajjar A, Zhao W, Broniscer A, Ellison DW, Grundy RG, Baker SJ: Integrated molecular genetic profiling of pediatric high-grade gliomas reveals key differences with the adult disease. J Clin Oncol; 2010 Jun 20;28(18):3061-8
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  • [Title] Integrated molecular genetic profiling of pediatric high-grade gliomas reveals key differences with the adult disease.
  • PURPOSE: To define copy number alterations and gene expression signatures underlying pediatric high-grade glioma (HGG).
  • Results were compared with publicly available data from adult tumors.
  • RESULTS: Significant differences in copy number alterations distinguish childhood and adult glioblastoma.
  • No IDH1 hotspot mutations were found in pediatric tumors, highlighting molecular differences with adult secondary glioblastoma.
  • Pediatric and adult glioblastomas were clearly distinguished by frequent gain of chromosome 1q (30% v 9%, respectively) and lower frequency of chromosome 7 gain (13% v 74%, respectively) and 10q loss (35% v 80%, respectively).
  • CONCLUSION: Integrated molecular profiling showed substantial differences in the molecular features underlying pediatric and adult HGG, indicating that findings in adult tumors cannot be simply extrapolated to younger patients.

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  • (PMID = 20479398.001).
  • [ISSN] 1527-7755
  • [Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology
  • [ISO-abbreviation] J. Clin. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / P01 CA096832; United States / NCI NIH HHS / CA / R01 CA135554; United Kingdom / Cancer Research UK / /
  • [Publication-type] Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.7.10.1 / Receptor, Platelet-Derived Growth Factor alpha
  • [Other-IDs] NLM/ PMC2903336
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100. Hales RK, Shokek O, Burger PC, Paynter NP, Chaichana KL, Quiñones-Hinojosa A, Jallo GI, Cohen KJ, Song DY, Carson BS, Wharam MD: Prognostic factors in pediatric high-grade astrocytoma: the importance of accurate pathologic diagnosis. J Neurooncol; 2010 Aug;99(1):65-71
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  • [Title] Prognostic factors in pediatric high-grade astrocytoma: the importance of accurate pathologic diagnosis.
  • To characterize a population of pediatric high-grade astrocytoma (HGA) patients by confirming the proportion with a correct diagnosis, and determine prognostic factors for survival in a subset diagnosed with uniform pathologic criteria.
  • Log-rank analysis was used to compare survival by patient, tumor, and treatment factors.
  • At initial diagnosis, 27 patients were grade III (43%) and 36 grade IV (57%).
  • Pathologic misdiagnosis should be suspected in patients who are long term survivors of a pediatric high grade astrocytoma.
  • [MeSH-major] Brain / pathology. Brain Neoplasms / diagnosis. Neoplasms, Neuroepithelial / diagnosis. Pediatrics
  • [MeSH-minor] Adolescent. Age Factors. Child. Child, Preschool. Cohort Studies. Female. Humans. Infant. Kaplan-Meier Estimate. Male. Multivariate Analysis. Prognosis. Retrospective Studies. Young Adult

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  • (PMID = 20043190.001).
  • [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
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