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Abstract Title:

[Mechanisms of resveratrol bovine serum albumin nanoparticle-induced cell death in human ovarian cancer SKOV3 cells].

Abstract Source:

Nan Fang Yi Ke Da Xue Xue Bao. 2010 Nov;30(11):2440-2. PMID: 21097399

Abstract Author(s):

Li-yuan Guo, Yan Peng, Yu-lian Li, Jing-ping Yao, Jing Wang, Guang-mei Zhang, Jie Chen, Li-hua Sui

Article Affiliation:

Third Hospital of Harbin Medical University, Harbin 150081, China. guoliyuan@163.com

Abstract:

OBJECTIVE: To study the effect of resveratrol bovine serum albumin nanoparticles on SKOV3 cell line and its mechanisms.

METHODS: The morphological changes of the cells exposed to the nanoparticles were observed by apoptotic body/cell nucleus DNA staining under inverted microscope and fluorescence microscope, and the pathway of cell death was determined by phosphatidylserine translocation. Western blotting was performed to detect the activation of cyto.c, caspase-3 and caspase-9.

RESULTS: DNA ladder was detected with gelelectrophoresis and the cell death was partially inhibited by the pan-caspase inhibitor Z-VAD-FMK. Gel electrophoresis displayed both DNA ladder and smear in RES-BSANP exposed groups, while DNA ladder disappeared in Z-VAD-FMK group and only the smear was left. Cyto.c in the cytoplasm was released at 2 h, while the expression of caspase-9 protein reached the peak level at 4 h and caspase-3 expression was obvious enhanced at 8 h. At 4 h, caspase-9 expression in the cells exposed to 100µmol/L RES-BSANP was decreased significantly as compared to the cells treated with 50 µmol/L RES-BSANP (P>0.05).

CONCLUSION: RES-BSANP can induce the necrosis and apoptosis of SKOV3 cells via either caspase-dependent or caspase-independent pathways.

Study Type : In Vitro Study

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Sayer Ji
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