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Effects of miR-369-3p on the proliferation and apoptosis of bladder cancer cells by regulating the expression of VEGFC gene / 中国医师杂志
Journal of Chinese Physician ; (12): 92-95,99, 2018.
Article in Chinese | WPRIM | ID: wpr-705789
ABSTRACT
Objective To observe the effect of miR-369-3p on vascular endothelial growth factor C (VEGFC) gene in bladder cancer cells EJ and 5637 and observe its effect on cell proliferation and apoptosis.Methods Bladder cancer cell lines EJ and 5637 were transfected with miR-NC (control group) or transfected with miR-369-3p (experimental group).The target gene of miR-369-3p was predicted by Targets can target gene prediction software.Fluorescence real-time quantitative polymerase chain reaction (qPCR) was used to detect the changes of VEGFC at mRNA level.The changes of VEGFC,p-Raf-1 and phosphorylated extracellular signal-regulated kinase 1/2 (p-ERK1/2) at the protein level were detected by Western blotting.The effect of miR-369-3p on the proliferation of bladder cancer cells was detected by cell counting kit (CCK-8) and clone formation experiment.The effect of miR-369-3p on apoptosis was detected by flow cytometry.Results After transfection with miR-369-3p,the expression of VEGFC at mRNA and protein levels was significantly decreased (P < 0.05),the expression of p-Raf-1 and p-ERK1/2 protein was significantly decreased,the cell proliferation ability was significantly decreased (P < 0.05),the number of clones formed was significantly decreased (P < 0.05) and the apoptosis was significantly increased (P < 0.01).Conclusions miR-369-3p can inhibit the proliferation and promote the apoptosis of bladder cancer cells by interfering with the expression of VEGFC gene,which may provide a new target for the biological therapy of bladder cancer.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Journal of Chinese Physician Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Journal of Chinese Physician Year: 2018 Type: Article