Reference: Sun Q, et al. (2007) Valproate induces apoptosis by inducing accumulation of neutral lipids which was prevented by disruption of the SIR2 gene in Saccharomyces cerevisiae. FEBS Lett 581(21):3991-5

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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.

Reference Type
Comparative Study | Journal Article
Authors
Sun Q, Bi L, Su X, Tsurugi K, Mitsui K
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