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Bioorganic & medicinal chemistry letters

Identification of a cell-active non-peptide sirtuin inhibitor containing N-thioacetyl lysine.


PMID 19700324

Abstract

To identify cell-active sirtuin inhibitors containing N-thioacetyl lysine, we synthesized compound 1, which was designed based on the structure of the reported N-ethoxycarbonylacetyl lysine-based sirtuin inhibitor NCS-12k. Compound 1 selectively inhibited SIRT1 in enzyme assays. Compound 1 also caused a dose-dependent increase in p53 acetylation in human colon cancer HCT116 cells, indicating the inhibition of SIRT1 in these cells.