杨梅素通过促进DRP1依赖性线粒体分裂诱导人卵巢癌SKOV3细胞凋亡

doi:10.13481/j.1671-587x.20180503

Abstract

Abstract: Objective:To observe the apoptosis and mitochondrial fission of human ovarian cancer SKOV3 cells after treated by myricetin and dynamin related protein 1 (DRP1) inhibitor mdivi-1 alone or combined, and to explore the mechanism of myricetin in inducing the apoptosis of SKOV3 cells. Methods:The SKOV3 cells were cultured in vitro and randomly divided into control group, mdivi-1 group, myricetin group and combined group.The cells in mdivi-1 group were treated with 50 μmol·L^-1 madivi-1 for 1 h followed by common culture medium for 23 h;the cells in myricetin group were treated with 50 g·L^-1 myricetin for 24 h;the cells combined group were treated with 50 μmol·L^-1 midiv-1 for 1 h followed by 50 g·L^-1 myricetin for 23 h. The survival rates of cells in various groups were detected by MTT assay. The apoptoic rates of cells in various groups were detected by Muse^® apoptosis detection kit. The expression levels of Cyt C, caspase3, DRP1 and FIS1 were observed by Western blotting method. The mitochondrial fission of cells in various groups was observed with MitoTracker^® Red. Results:Compared with control group, the survival rate of cells in myricetin group was decreased significantly (P<0.05); compared with myricetin group, the survival rate of cells in combined group was increased significantly(P<0.05). Compared with control group, the apoptotic rate of cells in myricetin group was increased (P<0.05); compared with myricetin group, the apoptotic rate of cells in combined group was decreased (P<0.05). Compared with control group, the expression levels of Cyt C and caspase3 proteins in the cells in myricetin group were increased(P<0.05); compared with myricetin group, the expression levels of Cyto C and caspase3 proteins in the cells in combined group were decreased(P<0.05). Compared with control group,the degree of mitochondrial fission of the cells in myricetin group was increased;compared myricetin group,the degree of mitochondrial fission of the cells in combined group was decreased.Compared with control group, the expression levels of DRP1 and FIS1 proteins in the cells in myricetin group were increased (P<0.05); compared with myricetin group, the expression levels of DRP1 and FIS1 proteins in the cells in combined group were decreased (P<0.05). Conclusion:Myricetin can induce the apoptosis of human ovarian cancer SKOV3 cells by promoting the DRP1-dependent mitochondrial fission.

Key words: myricetin, mdivi-1, dynamin related protein 1, mitochondrial fission, apoptosis, SKOV3 cells

CLC Number:

R73-3

YU Yang, XU Lu, LIU Shibing, LI Songyan, XU Ye. Induction effect of myricetin on apoptosis of human ovarian cancer SKOV3 cells by promoting DRP1-dependent mitochondrial fission[J].Journal of Jilin University(Medicine Edition), 2018, 44(05): 903-907.

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Induction effect of myricetin on apoptosis of human ovarian cancer SKOV3 cells by promoting DRP1-dependent mitochondrial fission

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