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Induction of Apoptosis by 8-shogaol via Reactive Oxygen Species Generation Glutathione Depletion and Caspase Activation in Human Leukemia Cells

机译:通过反应性氧物种产生谷胱甘肽耗尽和人白血病细胞胱天冬酶活化诱导细胞凋亡

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摘要

Ginger, the rhizome of Zingiber officinale, is a traditional medicine with carminative effect, anti-nausea, anti-inflammatory, and anti-carcinogenic properties. This study examined the growth inhibitory effects of [8]-shogaol, one of pungent phenolic compounds in ginger, on human leukemia HL-60 cells. It demonstrated that [8]-shogaol was able to induce apoptosis in a time- and concentration-dependent manner. Treatment with [8]-shogaol caused a rapid loss of mitochondrial transmembrane potential, stimulation of reactive oxygen species (ROS) production, release of mitochondrial cytochrome c into cytosol, and subsequent induction of procaspase-9 and procaspase-3 processing. Taken together, these results suggest for the first time that ROS production and depletion of the glutathione that committed to [8]-shogaol-induced apoptosis in HL-60 cells.

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