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Bioorg Med Chem. 2009 Jan 15;17(2):460-6. doi: 10.1016/j.bmc.2008.12.008. Epub 2008 Dec 13.

Inhibition of the PCAF histone acetyl transferase and cell proliferation by isothiazolones.

Author information

1
Department of Therapeutic Gene Modulation, Faculty of Mathematics and Natural Sciences, University of Groningen, Anthonius Deusinglaan 1, 9713 AV Groningen, The Netherlands. f.j.dekker@rug.nl

Abstract

Small molecule HAT inhibitors are useful tools to unravel the role of histone acetyl transferases (HATs) in the cell and have relevance for oncology. We present a systematic investigation of the inhibition of the HAT p300/CBP Associated Factor (PCAF) by isothiazolones with different substitutions. 5-chloroisothiazolones proved to be the most potent inhibitors of PCAF. The growth inhibition of 4 different cell lines was studied and the growth of two cell lines (A2780 and HEK 293) was inhibited at micromolar concentrations by 5-chloroisothiazolones. Furthermore, the 5-chloroisothiazolone preservative Kathon CG that is used in cosmetics inhibited PCAF and the growth of cell lines A2780 and HEK 293, which indicates that this preservative should be applied with care.

PMID:
19111471
DOI:
10.1016/j.bmc.2008.12.008
[Indexed for MEDLINE]

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