The presence of mutations in the gene encoding isocitrate dehydrogenase (IDH1), parameters of pro- and antioxidant activity in glioma tumor tissue, and their correlation were studied using bioinformatic analysis using STRING, IntAct, BioGrid, UniProt, SwissProt databases. The rate of detection of IDH1 gene mutations varied in different degree of anaplasia, being maximum in grade III gliomas. The intensity of free radical oxidation and activities of superoxide dismutase and catalase in the tumor tissue were significantly higher than in the control. The dependence of these parameters on the degree of anaplasia was shown. Mutations in IDH1 are associated with a decrease in antioxidant activity in the tissues of gliomas, which is critically important for the initial diagnosis, the choice of treatment options, and prediction of patient survival.
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