MicroRNA 1301 inhibits cisplatin resistance in human ovarian cancer cells by regulating EMT and autophagy.

European Review for Medical and Pharmacological Sciences
J-L Yu, X Gao

Abstract

Ovarian cancer is prone to chemoresistance, leading to poor outcomes in patients. MicroRNA 1301 plays a regulatory role in multiple tumors. However, whether microRNA 1301 regulates cisplatin resistance in ovarian cancer cells remains unclear. The ovarian cancer SKOV3 cell line and the human ovarian cancer cisplatin-resistant strain cell SKOV3/DDP were cultured in vitro and microRNA1301 expression was analyzed by Real time PCR. MicroRNA1301 mimics and microRNA 1301 were transfected into SKOV3/DDP, respectively followed by analysis of cell proliferation by MTT assay, cell invasion, expression of autophagy genes ATG5 and Beclin1 and EMT-related transcription factors Snail and Slug by Real time PCR, expression of NF-κB and E-cadherin and N-cadherin by Western blot. MicroRNA 1301 expression was significantly increased in SKOV3/DDP cells compared with that in SKOV3 cells (p<0.05). MicroRNA1301 mimics transfection into SKOV3/DDP up-regulated microRNA1301 expression, promoted cell proliferation, and invasion, inhibited ATG5 and Beclin1 expression, and promoted Snail and Slug expression, decreased E-cadherin expression and increased N-cadherin and NF-κB expression, compared with the control group, the differences were statistically sign...Continue Reading

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