期刊
GENE
卷 754, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.gene.2020.144903
关键词
circRNA; cricPUM1; miR-760; Polycystic ovary syndrome
Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders among reproductive-age women. The circRNA-miRNA axis functions in various diseases progression have been partially revealed in the past two decades. However, little is known about the role of the circRNA-miRNA axis in PCOS progression. MicroRNA miR-760, which is characterized by tissue-specific, has been studied in several cancers. Firstly, we found that miR-760 expression was decreased in PCOS tissues insulin treated GCs, KGN and SVOG cells. Secondly, The CCK-8 and apoptosis experiment results suggested that downregulated miR-760 promoted cell proliferation ability and suppressed apoptosis activity in KGN and SVOG cells. Then, the bioinformatic analysis result indicated that circPUM1 was a potential sponge to miR-760. By performing AGO2-RIP, RNA pull-down, Luciferase reporter, and qRT-PCR experiments, we demonstrated that circPUM1 acted as a molecular sponge to miR-760, and decreased miR-760 expression. Moreover, it was found that the promotive effect of circPUM1 was mediated by regulating miR-760. Collectively, our findings suggest that circPUM1 promotes PCOS progression through sponging to miR-760. We may provide a promising therapeutic target for PCOS.
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