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Apoptotic Effects of MicroRNA-1 on Hypoxemic Cardiomyocytes / 天津医药
Tianjin Medical Journal ; (12): 641-644, 2014.
Article in Chinese | WPRIM | ID: wpr-473676
ABSTRACT
Objective To investigate the apoptotic effect of microRNA-1 (miR-1) on hypoxemic cardiomyocytes. Methods The cultured H9C2 cells were divided into 5 groupsnormal control group, negative control group, H2O2 group, miR-1 group and H2O2+miR-1 group. After verified the success of transfection by real time PCR, MTT and flow cytometry methods were used to test the cell vitality and apoptotic rate, while the mRNA and protein expression level of Bcl-2 were de-tected by real time PCR and Western blot methods. Results Compared with normal control group, there were no significant differences in all indexes in negative control group. The application of H2O2 and miR-1 respectively or together significantly increased the miR-1 level and apoptotic rate, and reduced the cell vitality and Bcl-2 expression level. Conclusion mi-croRNA-1 can induce cardiomyocyte apoptosis by downregulating anti-apoptosis factor Bcl-2.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Tianjin Medical Journal Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Tianjin Medical Journal Year: 2014 Type: Article