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Resveratrol has both apoptosis and autophagy-promoting activities in different cancer cells. Dihydroceramide is the immediate precursor of the apoptotic mediator ceramide in the de novo sphingolipid synthesis pathway. Here we demonstrate that resveratrol induces autophagy in HGC-27 cells, with no sign of cell death. Autophagy occurs after an increase in dihydroceramides by inhibition of dihydroceramide...
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