Histone acetylation is not an accurate predictor of gene expression following treatment with histone deacetylase inhibitors

Biochemical and Biophysical Research Communications
D J P EllisKeith Bonham

Abstract

Histone deacetylase (HDAC) inhibitors (HDIs) are documented for their role in activation and/or repression of gene expression. Currently, it is believed that HDAC inhibitors act at the histone level to alter chromatin dynamics through the inactivation of HDACs thereby resulting in histone hyperacetylation and increased transcriptional activation. However, transcriptional repression of gene expression is not explained by this model. Indeed, changes in the acetylation status of discreet lysine residues of histones associated with genes repressed by HDAC inhibitors have not been reported. Therefore, we carried out a systematic investigation of the changes in histone acetylation status at the promoter regions of two genes differentially affected by HDIs to gain a better understanding of how changes in histone acetylation correspond to changes in transcriptional activity.

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Citations

Mar 16, 2012·Future Medicinal Chemistry·F CherblancM J Fuchter
Dec 3, 2014·Pharmacology & Therapeutics·Alon Abend, Izhak Kehat
Sep 1, 2010·Clinical Epigenetics·Francesco Paolo TambaroLucia Altucci
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Nov 15, 2015·Clinical and Experimental Medicine·Fernanda WisnieskiMarília Cardoso Smith
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Jun 11, 2009·Clinical Cancer Research : an Official Journal of the American Association for Cancer Research·David S Schrump
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