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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zou, Y. T. Wang, H. Wang, H. L. Wang, Y. Gao, J. Y. Li, P. L. |
| Description | Country affiliation: China Author Affiliation: Zou YT ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.); Gao JY ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.); Wang HL ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.); Wang Y ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.); Wang H ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.); Li PL ( Department of Obstetrics and Gynecology, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang Province, China.) |
| Abstract | MicroRNAs (miRNAs) are a family of small non-coding RNAs (approximately 21-23 nt long) that can target genes for either degradation of mRNA or inhibition of translation. miRNAs have not been comprehensively studied in human epithelial ovarian carcinoma (EOC). MicroRNA-630 (miR-630) has been frequently observed to be aberrantly expressed in various types of tumors. The present study explored the functions of miR-630 in the proliferation, apoptosis, chemosensitivity, and invasion of EOC. Using real-time polymerase chain reaction, we detected the miR-630 expression in cancerous, benign, and normal human ovarian tissues. Then, we evaluated the role of miR-630 in cell proliferation, chemosensitivity, apoptosis, and invasion by using the Cell Counting Kit-8, Annexin-V/FITC, and transwell assay on A2780 and SKOV3 cells. Western blotting was performed for analyzing the phosphatase and tensin homolog gene (PTEN) protein expression. The miR-630 expression level was higher in ovarian cancerous tissues than in benign and normal ovarian tissues. Decreased expression of miR-630 suppressed EOC cells' proliferation, migration, and invasion as well as significantly enhanced cell apoptosis and chemosensitivity to cisplatin. Furthermore, PTEN expression was increased in A2780 cells transfected by miR-630 inhibitor in comparison with inhibitor-negative control-transfected cells. In conclusion, downregulation of miR-630 dramatically increased apoptotic cell death chemosensitivity to cisplatin and decreased the proliferation, invasion, and migration of EOC cells. MiR-630 may thus play an important role in the biological behaviors of EOC cells through negative control of the PTEN expression. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 3 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-07-31 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Micrornas Biosynthesis Genetics Neoplasms, Glandular And Epithelial Therapy Ovarian Neoplasms Antineoplastic Agents Pharmacology Apoptosis Drug Effects Cell Line, Tumor Cell Movement Cell Proliferation Cisplatin Disease Progression Down-regulation Gene Expression Regulation, Neoplastic Genetic Therapy Administration & Dosage Metabolism Molecular Targeted Therapy Neoplasm Invasiveness Pathology Pten Phosphohydrolase Real-time Polymerase Chain Reaction Transfection Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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