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Long Non-coding RNA NEAT1 Drives the Development of Polycystic Ovary Syndrome via Sponging Multiple MicroRNAs.

Abstract：

:A line of evidences have validated that multiple microRNAs (including miR-16, miR-483 and miR-324-3p) were abnormally expressed in granulosa cells, which may be closely related with the pathogenesis of polycystic ovary syndrome (PCOS). Long-chain non-coding RNA (lncRNA) nuclear paraspeckle assembly transcript 1 (NEAT1) has been proved to participate in the progression of various human diseases via regulating microRNAs, but its function in PCOS are not yet clear. In this work, RT-PCR was performed to detect NEAT1 expression in PCOS tissues, and human ovarian granulosa cell line KGN were taken as the model to construct the cell line with high expression and low expression of NEAT1. CCK-8 and flow cytometry were carried out to monitor cells proliferation and apoptosis, respectively. Besides, we performed luciferase reporter gene assay and RNA binding protein immunoprecipitation (RIP) assay to verify the interaction between NEAT1, miR-16, miR-483 and miR-324-3p. We demonstrated that NEAT1 was highly expressed in PCOS tissues and cells. Over-expressed NEAT1 promoted the proliferation and inhibited the apoptosis. Moreover, NEAT1 was negatively correlated with the expression levels of miR-16, miR-483 and miR-324-3p. Dual luciferase analysis and RIP assay confirmed that NEAT1 can specifically bind to miR-16, miR-483 and miR-324-3p, by which NEAT1 can reduce their expression. In conclusion, NEAT1 can promote the proliferation of ovarian granulosa cells and arrest apoptosis via impeding expressions of miR-16, miR-483 and miR-324-3p. Our research would shed new light on the molecular mechanism of ovarian granulosa cell disorder. This article is protected by copyright. All rights reserved.

journal_name

Cell Biol Int

journal_title

Cell biology international

authors

Sang X,Zhang Y

doi

10.1002/cbin.11349

subject

Has Abstract

pub_date

2020-03-28 00:00:00

eissn

1065-6995

issn

1095-8355

pub_type

杂志文章

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