Epigenetic Modulation Using Small Molecules - _targeting Histone Acetyltransferases in Disease
- PMID: 28240169
- DOI: 10.2174/0929867324666170223153115
Epigenetic Modulation Using Small Molecules - _targeting Histone Acetyltransferases in Disease
Abstract
Histone acetyltransferases (HATs) are epigenetic drivers that catalyze the acetyl transfer from acetyl-CoA to lysines of both histone and non-histone substrates and thereby induce transcription either by chromatin remodeling or direct transcription factor activation. Histone deacetylases (HDACs) conduct the reverse reaction to counter HAT activity. Physiological processes such as cell cycle progression or apoptosis require a thoroughly balanced equilibrium of the interplay between acetylation and deacetylation processes to maintain or, if required, alter the global acetylome status. Aberrant HAT activity has recently been demonstrated to play a crucial role in the progression of various diseases such as prostate, lung, and colon cancers as well as glioblastomas and neurodegenerative diseases. Recent investigations have aimed for the identification of HAT modulators to further decipher the complexity of acetyl transferase related signaling cascades and discover potential leads for drug design approaches. HDACs have been extensively characterized and _targeted by small molecules, including four FDA-approved HDAC inhibitors; in contrast, HATs have not been active _targets for therapeutic development. This review will summarize the status of HAT associated diseases and the arsenal of currently known and available HAT inhibitors with respect to their discovery, further improvements, and current applications.
Keywords: GCN5; Histone acetyltransferases; PCAF; Tip60; cancer; epigenetics; p300/CBP; small molecule inhibitors..
Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.org.
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