Journal
CHEMMEDCHEM
Volume 4, Issue 10, Pages 1568-1582Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cmdc.200900301
Keywords
enzymes; epigenetics; histone demethylases; histone methyltransferases; medicinal-chemistry
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Epigenetics is defined as heritable changes to the trascriptome that are independent of changes in the genome. The biochemical modification that govern epigenetics are DNA methylation and posttranslational histone modifications. Among the histone modifications, acetylation and deacetylation are well characterized whereas the fields of histone methylation and especially demethylation are still in their infancy. This is particularly true with regard to drug discovery. There is strong evidence that these modifications play an important role in the maintenance of transcription as well as in the development of certain diseases. This article gives an overview of the mechanisms of action of histone methyltransferases and demethylases, their role in the formation of certain diseases, and available inhibitors. Special emphasis is placed on the strategies that led to the first inhibitors which are currently availabale and the screening approaches that were used in that process.
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