MiR-182-5p inhibited proliferation and migration of ovarian cancer cells by targeting BNIP3

X.-N. Jia, S.-D. Yin, Y. Wei, L. Chen

Department of Obstetrics and Gynecology, Navy General Hospital, Beijing, China. 56462063@qq.com

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• Oncology

OBJECTIVE: To investigate the potential effect of microRNA-182-5p (miR-182-5p) on the development of ovarian cancer (OC) and the relevant mechanism.
PATIENTS AND METHODS: The expression levels of miR-182-5p in OC tissues and paracancerous normal tissues were detected. The miR-182-5p expression in OC cells and ovarian epithelial cells was also determined. Through online prediction (TargetScan, miRDB), the potential target of miR-182-5p was screened and further confirmed by the Luciferase reporter gene assay. The effects of the miR-182-5p on human ovarian serous papillary cystadenocarcinoma cell line (SKOV3) cells were determined by in vitro experiments.
RESULTS: The low expression of miR-182-5p in OC was confirmed by quantitative Reverse Transcription-Polymerase Chain Reaction (qRT-PCR) assay. BCL2/adenovirus E1B 19 kDa protein-interacting protein 3 (BNIP3) was identified as a direct target of miR-182-5p. Subsequent experiments showed that the BNIP3 knockdown resulting from the up-regulation of miR-182-5p inhibited cell proliferation, clone formation and migration ability of OC cells.
CONCLUSIONS: Our research showed the inhibitory function of miR-182-5p in OC by targeting BNIP3, thus providing an experimental basis for the treatment of OC.

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