期刊
CELLULAR PHYSIOLOGY AND BIOCHEMISTRY
卷 45, 期 4, 页码 1654-1662出版社
KARGER
DOI: 10.1159/000487733
关键词
Microrna-214; Tumor suppressor; beta-catenin; Ovarian cancer
资金
- Educational Department in Yunnan Province [2015Z081]
- Health Science and Technology Plan Project [2014NS092, 2016NS286, 2016NS287, 2017NS277]
- Yunnan Health Training Project of High Level Talents [H-201629]
Background/Aims: Ovarian cancer is one of the most common malignancies with a high rate of mortality in women. However, current therapies for ovarian cancer treatment are ineffective. Therefore, novel target identification is an urgent requisite. The present study aimed to investigate the role of microRNA-214 (miR-214) in ovarian cancer. Methods: The expression of miR-214, P-catenin, cyclin D1, c-myc, and TCF-1 at the transcriptional level was measured by real-time PCR, while that of beta-catenin, Cyclin D1, and c-Myc at the protein level were detected by western blot. Colony formation assay and transwell assay were used to explore the invasion ability of the cancer cells. Cell cycle was measured by flow cytometry. Results: Real-time PCR showed that miR-214 expression in ovarian cancer cell lines was lower than that in the human normal ovarian epithelial cells, IOSE80. Furthermore, the low expression of miR-214 was correlated with high pathological grade. The rate of colony formation and invasion of miR-214 overexpression in SKOV-3 cells were weaker than that in control cells. Moreover, miR-214 overexpression led to the G0/G1 phase arrest. The expression of beta-catenin, Cyclin D1, and c-Myc was suppressed by the overexpression of miR-214. Conclusion: These results suggested that miR-214 may serve as a tumor suppressor of ovarian cancer by targeting the beta-catenin pathway. (C) 2018 The Author(s) Published by S. Karger AG, Basel
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