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- W2940553205 abstract "Current treatment options for diffuse glioma patients include maximum safe resection followed by a combination of radiation therapy and chemotherapy with alkylating agents. The DNA-repair enzyme O6-methylguanine-DNA methyltransferase (MGMT) counteracts the cytotoxic effect of alkylating agents and mediates chemoresistance. Disruption of the DNA methylation mechanism in diffuse glioma cells results in epigenetic silencing of MGMT through methylation of cytidine-phosphate-guanosine dinucleotides (CpG) in the promoter region. The methylation status of MGMT is widely accepted to be a strong prognostic factor in diffuse glioma patients. This study was designed to screen Serbian diffuse glioma patients for hypermethylation of the MGMT promoter and to estimate its impact on overall survival. The results obtained in our study on 33 samples of diffuse glioma detected a positive methylation status in 17 patients (51.5%) by methylation-specific polymerase chain reaction. The positive methylation status of the MGMT promoter did not correlate with overall survival. In this study group, the patients older than 50 years had significantly lower overall survival in comparison with younger patients (7 months–19 months median survival). Extent of tumour resection also had influence on overall survival of patients. The relevance of the MGMT promoter methylation status should be further evaluated in a larger study and in association with other markers." @default.
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- W2940553205 date "2019-01-01" @default.
- W2940553205 modified "2023-09-26" @default.
- W2940553205 title "Prognostic significance of MGMT promoter methylation in diffuse glioma patients" @default.
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- W2940553205 doi "https://doi.org/10.1080/13102818.2019.1604158" @default.
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