Xia Wang1, Li-Wei Qiu2, Chen Peng1, Shu-Ping Zhong1, Lin Ye1, Di Wang1. 1. Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China. 2. Clinical Medicine Research Centre, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China.
Abstract
BACKGROUND: It is important to find reliable molecular markers or biological targets that associate with ovarian cancer (OC) metastasis for diagnosis and treatment. In this study, researchers investigated the regulated chain of microRNA-30c (miR-30c) and metastasis-associated gene 1 (MTA1) in OC tissues and cells. MATERIALS AND METHODS: Expression of miR-30c and MTA1 was detected with quantitative real-time polymerase chain reaction and immunohistochemistry in 33 OC and matched adjacent tissues. MiR-30c mimics were synthetized and transfected into SKOV3 cells to target MTA1. The wound healing and transwell assays were detected to observe migration and invasion of transfected OC cells. RESULTS: Compared with matching normal ovarian tissues, the MTA1 expression was upregulated and localized in the cytoplasm, and the expression of miR-30c was significantly reduced. The expression intensity of MTA1 was correlated with the Federation of Gynecology and Obstetrics stage, tumor grade, and metastasis of OC. Transfecting miR-30c mimics could significantly reduce the expression of MTA1 in SKOV3 cells and obviously inhibit the migration and invasion of SKOV3 cells. CONCLUSION: MiR-30c and MTA1 abnormally expressed in OC, which may be related to metastasis of OC. In MiR-30c as a tumor suppressor gene, its expression in OC could lead to reduced expression of MTA1, which may be one of the mechanisms of metastasis of OC cells.
BACKGROUND: It is important to find reliable molecular markers or biological targets that associate with ovarian cancer (OC) metastasis for diagnosis and treatment. In this study, researchers investigated the regulated chain of microRNA-30c (miR-30c) and metastasis-associated gene 1 (MTA1) in OC tissues and cells. MATERIALS AND METHODS: Expression of miR-30c and MTA1 was detected with quantitative real-time polymerase chain reaction and immunohistochemistry in 33 OC and matched adjacent tissues. MiR-30c mimics were synthetized and transfected into SKOV3 cells to target MTA1. The wound healing and transwell assays were detected to observe migration and invasion of transfected OC cells. RESULTS: Compared with matching normal ovarian tissues, the MTA1 expression was upregulated and localized in the cytoplasm, and the expression of miR-30c was significantly reduced. The expression intensity of MTA1 was correlated with the Federation of Gynecology and Obstetrics stage, tumor grade, and metastasis of OC. Transfecting miR-30c mimics could significantly reduce the expression of MTA1 in SKOV3 cells and obviously inhibit the migration and invasion of SKOV3 cells. CONCLUSION:MiR-30c and MTA1 abnormally expressed in OC, which may be related to metastasis of OC. In MiR-30c as a tumor suppressor gene, its expression in OC could lead to reduced expression of MTA1, which may be one of the mechanisms of metastasis of OC cells.