LncRNA LUCAT1 promotes proliferation of ovarian cancer cells by regulating miR-199a-5p expression.

European Review for Medical and Pharmacological Sciences
H-Z LiuH-J Wang

Abstract

To investigate the biological effect of long non-coding ribonucleic acid (lncRNA) lung cancer-associated transcript 1 (LUCAT1) in the development of ovarian cancer. Real-time quantitative polymerase chain reaction (RT-qPCR) was utilized to detect the expression levels of lncRNA LUCAT1 in three human ovarian cancer cell lines (CaoV-3, SK-OV-3 and HO-8910) and the normal human ovarian surface epithelial cell line (IOSE80). Small interfering RNAs against lncRNA LUCAT1 (si-LUCAT1) were transfected into SK-OV-3 cells. Transfection efficiency of si-LUCAT1 was verified via RT-qPCR. Cell Counting Kit-8 (CCK-8) and colony formation assays were performed to test the effect of silencing lncRNA LUCAT1 on SK-OV-3 cell proliferation. The apoptosis was measured by flow cytometry. The miRcode database was searched to predict potential microRNAs (miRNAs) binding lncRNA LUCAT1. It was found that lncRNA LUCAT1 contained a highly conserved binding site of miR-199a-5p in the 3'-untranslated region (3'-UTR). Subsequently, the targeting relationship between them was determined through Dual-Luciferase reporter gene assay and RT-qPCR analysis. LncRNA LUCAT1 was highly expressed in three human ovarian cancer cell lines compared to that in normal ovarian...Continue Reading

Citations

Apr 25, 2020·Cancers·Martín Salamini-MontemurriMaría Esperanza Cerdán
Nov 27, 2020·International Journal of Molecular Sciences·Eleonora A BragaNikolay E Kushlinskii

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