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Deng X, Yin F, Lu X, Cai B, Yin W: The apoptotic effect of brucine from the seed of Strychnos nux-vomica on human hepatoma cells is mediated via Bcl-2 and Ca2+ involved mitochondrial pathway. Toxicol Sci. 2006 May;91(1):59-69. Epub 2006 Jan 27.
In an attempt to dissect the mechanism of Strychnos nux-vomica, a commonly used Chinese folk medicine in the therapy of liver cancer, the cytotoxic effects of four alkaloids in Strychnos nux-vomica, brucine, brucine N-oxide, strychnine, and isostrychnine, on human hepatoma cells (HepG2) were screened by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrasolium bromide (MTT) assay.
Brucine-induced HepG2 cell apoptosis was caspase dependent, with caspase-3 activated by caspase-9. |
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