RESEARCH ARTICLE


Chemical Biology of Lysine Demethylases



Tom D Heightman*, #
Structural Genomics Consortium, Oxford University, Roosevelt Drive, Oxford OX3 7DQ, UK


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© Tom D. Heightman; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at Astex Therapeutics Ltd, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, UK; Tel: +44 1223 226200; Fax: +44 1223 226201; E-mail: T.Heightman@astex-therapeutics.com
# Current address: Astex Therapeutics Ltd, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, UK.


Abstract

Abnormal levels of DNA methylation and/or histone modifications are observed in patients with a wide variety of chronic diseases. Methylation of lysines within histone tails is a key modification that contributes to increased gene expression or repression depending on the specific residue and degree of methylation, which is in turn controlled by the interplay of lysine methyl transferases and demethylases. Drugs that target these and other enzymes controlling chromatin modifications can modulate the expression of clusters of genes, potentially offering higher therapeutic efficacy than classical agents acting on downstream biochemical pathways that are susceptible to degeneracy. Lysine demethylases, first discovered in 2004, are the subject of increasing interest as therapeutic targets. This review provides an overview of recent findings implicating lysine demethylases in a range of therapeutic areas including oncology, immunoinflammation, metabolic disorders, neuroscience, virology and regenerative medicine, together with a summary of recent advances in structural biology and small molecule inhibitor discovery, supporting the tractability of the protein family for the development of selective druglike inhibitors.

Keywords: Epigenetic, chromatin, histone, lysine demethylase, inhibitor.