Journal
SCHIZOPHRENIA RESEARCH
Volume 72, Issue 2-3, Pages 79-90Publisher
ELSEVIER
DOI: 10.1016/j.schres.2004.03.001
Keywords
epigenetics; retinoic acid; schizophrenia bipolar disorder; chromatin
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Covalent modifications of DNA and its surrounding chromatin constitute an essential and powerful regulatory mechanism for gene transcription. Epigenetics is the study of this regulatory system. There is now strong albeit indirect evidence that epigenetic mechanisms contribute to the pathophysiology of schizophrenia. Furthermore, the discovery that valproic acid, a widely used psychotropic, has powerful epigenetic effects in clinically relevant concentrations suggests, new therapeutic possibilities, i.e., drugs that act on chromatin structure. Fortunately, many proteins engaged in these processes, particularly chromatin remodeling, are accessible to pharmacological agents that have a high likelihood of crossing the blood brain barrier. This review will first summarize the essentials of the epigenetic regulatory system, then address the molecular evidence for altered epigenetic mechanisms in schizophrenia, and finally focus on the retinoic acid family of ligand-activated nuclear transcription factors as a likely system for new drug development in the management of schizophrenia-related symptoms (C) 2004 Elsevier B.V. All rights reserved.
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