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  • Title: Protection against 1-methyl-4-phenylpyridinium ion (MPP+)-induced apoptosis by water extract of ginseng (Panax ginseng C.A. Meyer) in SH-SY5Y cells.
    Author: Hu S, Han R, Mak S, Han Y.
    Journal: J Ethnopharmacol; 2011 Apr 26; 135(1):34-42. PubMed ID: 21349320.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: The present study investigates the protective effects of water extract of ginseng (Panax ginseng C.A. Meyer) against 1-methyl-4-phenylpyridinium ion (MPP(+))-induced cytotoxicity in SH-SY5Y human neuroblastoma cells and explores the underlying mechanisms. The approach may be used for screening therapeutic agents for degenerative disorders such as Parkinson's disease. MATERIALS AND METHODS: SH-SY5Y human neuroblastoma cells were used to analyze the protective effects of water extract of ginseng (WEG) against multiple parameters such as MPP(+)-induced viability, oxidative injury, expression of Bax, Bcl-2, cytochrome c and cleaved caspase-3. RESULTS: WEG exerted inhibitory effect on cell death, overproduction of ROS, elevated Bax/Bcl-2 ratio, release of cytochrome c and activation of caspase-3 expression in MPP(+)-treated SH-SY5Y cells. CONCLUSIONS: WEG exhibited significant protective effects against MPP(+)-induced cytotoxicity in SH-SY5Y cells possibly through the suppression of ROS generation and the inhibition of mitochondria-dependent apoptotic pathway.
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