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[The expression and significance of microtubule - driven protein KIF2A in epithelial ovarian cancer]
1Department of Obstetrics and Gynecology, the Affiliated Hospital of Nantong University, Nantong 226001, China.
Abstract:
Objective: To investigate the protein and mRNA expression of KIF2A in ovarian cancer, and to investigate the migration and invasion ability changes in ovarian cancer cell line HO-8910 transfected by KIF2A-siRNA. Methods: Immunohistochemical method was used to detect the expression of KIF2A in 30 cases of ovarian cancer and 20 cases of ovarian normal tissues. The expression of KIF2A mRNA was detected by RT-PCR. The mRNA and protein expression of KIF2A in cell line HO-8910 was detected by RT-PCR and Western blot after transfected by KIF2A-siRNA in vitro. After the transfection, the cell migration and invasion ability were observed by scratch test and transwell experiments. Result: The expression of KIF2A mRNA and protein in HO-8910 was significantly lower than that in normal ovarian tissue (P<0.05). The capacities of migration and invasion of HO-8910 was suppressed notably after the knockdown of KIF2A (P<0.05). Conclusion: KIF2A gene expression was increased in ovarian cancer, and knockdown of KIF2A gene can inhibit the migration and invasion of ovarian cancer cells. It suggested that KIF2A gene may be a new target for the development of ovarian cancer.
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