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Protein & Peptide Letters

Editor-in-Chief

ISSN (Print): 0929-8665
ISSN (Online): 1875-5305

Research Article

Long Non-coding RNA UCA1 Regulates SRPK1 Expression Through miR- 99b-3p in Ovarian Cancer

Author(s): Juan Xu, Liu-hong Zheng, Yi-nuo Hong, Cheng Xuan, Shu-ling Yan, Guo-Liang Lv, Zheng-Gang Jiang* and Xian-Feng Ding*

Volume 29, Issue 10, 2022

Published on: 19 September, 2022

Page: [829 - 838] Pages: 10

DOI: 10.2174/0929866529666220704122019

Price: $65

Abstract

Background: Ovarian carcinoma (OC) is one of the most common malignancies of the female reproductive organs, with a low survival rate primarily due to the lack of effective methods for early diagnosis and prognosis.

Objective: In this article, our motivation is to explore the lncRNA-related network mechanisms involved in the pathogenesis of OC.

Methods: Public lncRNAs and mRNA expression datasets for OC were collected from the Gene Expression Omnibus (GEO) database. By integrated bioinformatics analysis, we constructed a UCA1-miRNA-mRNA network. We studied lncRNA-related molecular modulation mechanism in ovarian cancer cells based on MTT assay, dual luciferase reporter gene assays, quantitative realtime PCR, and western blotting.

Results: UCA1 was higher in ovarian tumor tissues and cells than normal tissues and cells. It was demonstrated in this study that knockdown of UCA1 inhibited ovarian cancer cell viability, which a miR-99b-3p inhibitor could reverse in vitro. Further, UCA1 was shown to regulate the expression of SRPK1 by directly binding to miR-99b-3p.

Conclusion: These results suggest that UCA1 functions as an oncogene in ovarian cancer. Inhibition of UCA1/miR-99b-3p/SRPK1 axis may become a novel target for treating ovarian cancer.

Keywords: lncRNA UCA1, miR-99b-3p, ovarian cancer, SRPK1, gynecological malignancy, UTR.

Graphical Abstract

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