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Five Hypermethylated MicroRNA Genes as Potential Markers of Ovarian Cancer

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Bulletin of Experimental Biology and Medicine Aims and scope

MicroRNA and methylation are important epigenetic mechanisms in the pathogenesis of cancer. The role of a group of microRNA hypermethylated genes in the pathogenesis of ovarian cancer was studied and their diagnostic and prognostic potential was evaluated. Studies on a representative sample of 54 ovarian cancer specimens with the use of methyl-specific PCR resulted in detection of five microRNA genes (MIR-9-1, MIR-9-3, MIR-107, MIR-1258, and MIR-130b) methylated in the majority of tumor specimens in comparison with paired specimens of histologically intact tissue (37-57% vs. 4-9%, p<0.01). Methylation of three genes (MIR-9-1, MIR-9-3, and MIR-130b) was significantly (p≤0.05) associated with the parameters of ovarian cancer progress (clinical stage, differentiation degree, tumor size, and presence of metastases). These findings attest to oncosuppressive role of the studied microRNA genes (MIR-9-1, MIR-9-3, MIR-107, MIR-1258, and MIR-130b) in the pathogenesis and progress of ovarian cancer and indicated their prognostic potential.

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Correspondence to E. A. Braga.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 164, No. 9, pp. 335-340, September, 2017

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Braga, E.A., Loginov, V.I., Burdennyi, A.M. et al. Five Hypermethylated MicroRNA Genes as Potential Markers of Ovarian Cancer. Bull Exp Biol Med 164, 351–355 (2018). https://doi.org/10.1007/s10517-018-3988-y

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  • DOI: https://doi.org/10.1007/s10517-018-3988-y

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