Article ID Journal Published Year Pages File Type
10872570 FEBS Letters 2007 5 Pages PDF
Abstract
We investigated the participation of HDACs in VPA induced apoptosis in Saccharomyces cerevisiae. VPA (20 mM) induced apoptosis in several HDAC mutants, including PRD3 and HDA1-disrupted cells and SIR2 over expressing cells, as well as in wild-type cells but not SIR2-disrupted cells. Intracellular reactive oxygen species and neutral lipid content increased markedly in all kinds of HDAC mutant cells tested except for SIR2-disrupted cells. Thus, these results suggest that 20 mM VPA induces neutral lipid accumulation and apoptosis-like features in S. cerevisiae, and that VPA-induced apoptosis was evaded by deletion of SIR2.
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