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miR-325-3p Promotes the Proliferation, Invasion, and EMT of Breast Cancer Cells by Directly Targeting S100A2

Huiling Wang*, Xin Hu, Feng Yang, Hui Xiao*

* Department of Surgery, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, P.R. China
† Department of Surgery, Hunan Children’s Hospital, Changsha, P.R. China
‡ Department of Pharmacy, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, P.R. China

Oncology Research 2020, 28(7-8), 731-744. https://doi.org/10.3727/096504020X16100888208039

Abstract

This study was designed to investigate the precise mechanisms of miR-325-3p/S100A2 axis in breast cancer (BC). In this study, we found that the level of miR-325-3p was dramatically increased in BC tissues and cell lines, and the expression of S100A2 was significantly decreased. Also, the high level of miR-325-3p was closely associated with low expression of S100A2 in BC tissues. Moreover, introduction of miR-325-3p significantly promoted proliferation, invasion, and EMT of BC cells. Bioinformatics analysis predicted that the S100A2 was a potential target gene of miR-325-3p. Luciferase reporter assay demonstrated that miR-325-3p could directly target S100A2. In addition, miR-325-3p overexpression had similar effects with knockdown of S100A2 on BC cells. Overexpression of S100A2 in BC cells partially reversed the promoted effects of miR- 325-3p mimic. Overexpression of miR-325-3p promoted cell proliferation, invasion, and EMT of BC cells by directly downregulating S100A2 expression.

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Cite This Article

Wang, H., Hu, X., Yang, F., Xiao, H. (2020). miR-325-3p Promotes the Proliferation, Invasion, and EMT of Breast Cancer Cells by Directly Targeting S100A2. Oncology Research, 28(7-8), 731–744.



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