Genetic and epigenetic markers of gliomas |
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Authors: | E V Semenova M V Filatov |
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Institution: | 1. Konstantinov Petersburg Nuclear Physics Institute, Gatchina, Russia
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Abstract: | Malignant gliomas are aggressive and highly invasive tumors. Various genetic and epigenetic changes are common for these tumors. Mostly they concern the genes involved in cell-cycle regulation, apoptotic pathways, cell invasion, angiogenesis, and cell metabolism. The role of epigenetic mechanisms in glioma malignant transformation, despite recent progress, is uncertain and remains under intense study. This review describes the mechanisms of epigenetic regulation of gene expression, including posttranslational modifications of histones, DNA methylation in promoter regions, and microRNA regulation. The genetic and epigenetic factors driving the pathogenesis of gliomas in their possible mutual influence and the potential epigenetic targets that can be used for diagnostics and new therapeutic approaches are also discussed. |
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