ABSTRACT
Objective To investigate the biological behavior of breast cancer cells induced by miR-128 targeting RECK and its possible mechanism.Methods The expression of miR-128 in cell lines and transfection efficiency of lentiviral were detected by Western blot.Flow cytometry was used to detect the effect of miR-128 on the apoptosis of breast cancer cells.The dual luciferase assay was used to detect the in-teraction of miR-128 and RECK in breast cancer cells.Flow cytometry was used to detect the reversal effect of RECK on miR-128 in the cell cycle and colony formation of breast cancer cells.Results The expression of miR-128 in MCF-7 cells was 3.05 times that of NC cells,and the lentiviral transfection efficiency was obvious.miR-128 inhibits the growth of MCF-7 cells by inducing apoptosis and inhibiting cell cycle progression.RECK was the direct target of miR-128,and miR-128 directly regulated the expression of RECK.RECK ectopic recovery,miR-128 on breast cancer cell apoptosis and cell cycle inhibition had also been partially restored.Conclusion miR-128 plays an important role in the development and progression of breast cancer.It can interact with RECK to regulate the biological behavior of breast cancer cells,which suggests that miR-128 and RECK may be the potential therapeutic targets of breast cancer.