Inhibitors of Sir2: Evaluation of splitomicin analogues

被引:154
作者
Posakony, J [1 ]
Hirao, M [1 ]
Stevens, S [1 ]
Simon, JA [1 ]
Bedalov, A [1 ]
机构
[1] Fred Hutchinson Canc Res Ctr, Clin Res & Human Biol Div, Seattle, WA 98109 USA
关键词
D O I
10.1021/jm030473r
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Splitomicin (1) and 41 analogues were prepared and evaluated in cell-based Sir2 inhibition and toxicity assays and an in vitro Sir2 inhibition assay. Lactone ring or naphthalene (positions 7-9) substituents decrease activity, but other naphthalene substitutions (positions 5 and 6) are well-tolerated. The hydrolytically unstable aromatic lactone is important for activity. Lactone hydrolysis rates were used as a measure of reactivity; hydrolysis rates correlate with inhibitory activity. The most potent Sir2 inhibitors were structurally similar to and had hydrolysis rates similar to 1.
引用
收藏
页码:2635 / 2644
页数:10
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