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MicroRNA-6884-5p Regulates the Proliferation, Invasion, and EMT of Gastric Cancer Cells by Directly Targeting S100A16

Huifang Lv, Honglin Hou, Huijun Lei, Caiyun Nie, Beibei Chen, Liangyu Bie, Lili Han, Xiaobing Chen

Department of Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China

Oncology Research 2020, 28(3), 225-236. https://doi.org/10.3727/096504019X15753718797664

Abstract

S100 binding protein A16 (S100A16) expression levels are closely associated with microRNA (miRNA) processing. Higher levels of S100A16 are reported during the progression of many cancers. Our study mainly explored the interaction between S100A16 and miR-6884-5p in gastric cancer (GC). Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the level of S100A16 and miR-6884-5p in GC tissues and cell lines. The si-S100A16, pcDNA-S100A16, miR-6884-5p mimic or inhibitor was transfected into GC cells, and the effects of S100A16 and miR-6884-5p on the proliferation, invasion, and epithelial–mesenchymal transition (EMT) were explored by qRT-PCR and Western blot assays. Luciferase assays were performed to validate S100A16 as an miR-6884-5p target in GC cells. In our study, we found that the level of miR-6884-5p was significantly decreased and the expression of S100A16 was significantly increased in GC tissues and cell lines. There was a close association between these changes. Knockdown of S100A16 significantly inhibited the proliferation, invasion, and EMT of GC cells. The bioinformatics analysis predicted that S100A16 is a potential target gene of miR-6884-5p, and the luciferase reporter assay confirmed that miR-6884-5p could directly target S100A16. Introduction of miR-6884-5p to GC cells had similar effects to S100A16 silencing. Overexpression of S100A16 in GC cells partially reversed the inhibitory effects of the miR-6884-5p mimic. miR-6884-5p inhibited the proliferation, invasion, and EMT of GC cells by directly decreasing S100A16 expression.

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Cite This Article

APA Style
Lv, H., Hou, H., Lei, H., Nie, C., Chen, B. et al. (2020). Microrna-6884-5p regulates the proliferation, invasion, and EMT of gastric cancer cells by directly targeting S100A16. Oncology Research, 28(3), 225-236. https://doi.org/10.3727/096504019X15753718797664
Vancouver Style
Lv H, Hou H, Lei H, Nie C, Chen B, Bie L, et al. Microrna-6884-5p regulates the proliferation, invasion, and EMT of gastric cancer cells by directly targeting S100A16. Oncol Res. 2020;28(3):225-236 https://doi.org/10.3727/096504019X15753718797664
IEEE Style
H. Lv et al., "MicroRNA-6884-5p Regulates the Proliferation, Invasion, and EMT of Gastric Cancer Cells by Directly Targeting S100A16," Oncol. Res., vol. 28, no. 3, pp. 225-236. 2020. https://doi.org/10.3727/096504019X15753718797664



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