MiR-206 inhibits epithelial ovarian cancer cells growth and invasion via blocking c-Met/AKT/mTOR signaling pathway
| Autor: | Zhengzhong Yuan, Chunxiu Dai, Yongyong Xie, Xiaoping Zhuang |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
0301 basic medicine
C-Met Cell Down-Regulation Apoptosis Carcinoma Ovarian Epithelial Biology Metastasis 03 medical and health sciences chemistry.chemical_compound 0302 clinical medicine Cell Movement Cell Line Tumor microRNA medicine Humans Neoplasm Invasiveness Neoplasms Glandular and Epithelial Protein kinase B Cell Proliferation Ovarian Neoplasms Pharmacology TOR Serine-Threonine Kinases Cell Cycle General Medicine Proto-Oncogene Proteins c-met Cell cycle medicine.disease Gene Expression Regulation Neoplastic MicroRNAs 030104 developmental biology medicine.anatomical_structure chemistry 030220 oncology & carcinogenesis Cancer cell Cancer research Female Ovarian cancer Proto-Oncogene Proteins c-akt Signal Transduction |
| Zdroj: | Biomedicine & Pharmacotherapy. 104:763-770 |
| ISSN: | 0753-3322 |
| DOI: | 10.1016/j.biopha.2018.05.077 |
| Popis: | Background MicroRNAs play important roles in the pathogenesis of various kinds of tumors. However, there are few studies on the expression profile and function of miRNAs in epithelial ovarian cancer. In this study, we performed microRNA array to compare the expression profile of microRNA in ovarian cancer tissues with noncancerous tissues. Methods qRT-PCR was used to further confirm the microRNA expression levels in epithelial ovarian cancer tissues and cell lines. The function of microRNA was analyzed by overexpressing microRNA mimics followed by the analysis of cell cycle, proliferation, and metastasis. The downstream target of miR-206 was found and western blot analysis was performed to measure the activation of the downstream signaling pathway. Results In this study, we found the expression of miR-206 was significantly down-regulated in epithelial ovarian cancer tissues and epithelial ovarian cancer cell lines. In epithelial ovarian cancer patients, downregulation of miR-206 was associated with metastasis and poor prognosis. In epithelial ovarian cancer cell lines, miR-206 contributed to the cell cycle regulation, cell apoptosis, and cancer cell metastasis. MiR-206 mimics inhibited cancer cell proliferation and metastasis, and induced cell apoptosis. Moreover, our results demonstrated that miR-206 directly targeted c-Met and repressed the activation of downstream AKT/mTOR signaling pathway. Conclusion Our results demonstrated that miR-206 was down-regulated in epithelial ovarian cancer tissues and cell lines. MiR-206 inhibits the development of epithelial ovarian cancer cell by directly targeting c-Met and inhibiting the c-Met/AKT/mTOR signaling pathway. |
| Databáze: | OpenAIRE |
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