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The influences of Vinculin on many cancers were blurry, including ovarian cancer. Thus, we concentrated on the efficient role of Vinculin in ovarian cancer and explored the potential mechanism(s). Expression of Vinculin in ovarian cancer tissues and cell lines was investigated by real-time polymerase chain reaction, immunohistochemistry, and Western blot. The Kaplan-Meier manner with the logrank was performed to assess overall survival. We further evaluated the relations between Vinculin expression and clinicopathological features of ovarian cancer. Moreover, Vinculin was overexpressed or silenced by respectively transfection with pcDNA-Vinculin or small interfering (si-Vinculin) into human ovarian cancer cell line Caov3 or human ovarian epithelial cell line (HOEpiC). Thereafter, cell viability, cell apoptosis, and migration were checked by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide, flow cytometer, and scratch assay, respectively. Likewise, the apoptosis- and migration-related proteins were distinguished by Western blot. Compared to the nontumor tissues or HOEpiC cells, Vinculin was significantly lower expressed in the ovarian cancer tissues and cells. Furthermore, we found out that Vinculin was primarily distributed at the cell membrane and cytoplasm. Moreover, Vinculin was negatively associated with International Federation of Gynecology and Obstetrics stage, grade, and distant metastasis. Overexpression of Vinculin dramatically weakened cell viability and migration and stimulated apoptosis. Conversely, suppression of Vinculin showed opposite results. Vinculin presents unfavorable prediction in ovarian cancer and inhibits ovarian cancer proliferation and migration. © 2020 Wiley Periodicals, Inc.


Fei Wang, Meixia Fang, Min Kong, Changhe Wang, Yuting Xu. Vinculin presents unfavorable prediction in ovarian cancer and prevents proliferation and migration of ovarian cancer cells. Journal of biochemical and molecular toxicology. 2020 May 05:e22525

PMID: 32369671

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