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Long Non-Coding RNA LINC01089 Enhances the Development of Gastric Cancer by Sponging miR-145-5p to Mediate SOX9 Expression
Authors Wang F, Yang Q
Received 11 February 2020
Accepted for publication 1 July 2020
Published 16 September 2020 Volume 2020:13 Pages 9213—9224
DOI https://doi.org/10.2147/OTT.S249392
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Dr Federico Perche
Fengyong Wang,1 Qiong Yang2
1Department of General Surgery, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, People’s Republic of China; 2Department of Gastroenteropancreatic Surgery, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, People’s Republic of China
Correspondence: Qiong Yang Hangzhou, Zhejiang 310012, People’s Republic of China
Email zhongguoys1@163.com
Background: Long non-coding RNAs (lncRNAs) have potential regulatory effects in oncogenesis. Previous studies showed that several lncRNAs could participate in the progression of gastric cancer (GC). However, the specific biological mechanisms in GC are still unclear. We analyzed an lncRNA microarray of GC and selected LINC01089 for study.
Methods: LINC01089 expression in GC was tested by qRT-PCR. GC cell proliferation was assessed using CCK-8 and EdU assays. Cell invasion was assessed using the Transwell assay. A dual-luciferase reporter gene assay and bioinformatics assay were performed to detect potential targets of LINC01089. Additionally, RNA immunoprecipitation and Western blot assays were performed to clarify their interactions and roles in the regulation of GC progression.
Results: High LINC01089 expression was observed in GC cells. LINC01089 overexpression notably expedited cell migration, proliferation, and invasion. LINC01089 positively regulated SOX9 expression by competitively binding to microRNA (miR-145-5p).
Conclusion: LINC01089 competitively binds to miR-145-5p to mediate SOX9 expression. LINC01089 may participate in the progression of GC.
Keywords: epigenetics, lncRNA, ceRNA, proliferation, migration
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