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Current Drug Targets - CNS & Neurological Disorders


ISSN (Print): 1568-007X
ISSN (Online): 1568-007X

Remodeling Chromatin and Stress Resistance in the Central Nervous System: Histone Deacetylase Inhibitors as Novel and Broadly Effective Neuroprotective Agents

Author(s): Brett Langley, JoAnn M. Gensert, M. Flint Beal and Rajiv R. Ratan

Volume 4, Issue 1, 2005

Page: [41 - 50] Pages: 10

DOI: 10.2174/1568007053005091

Price: $65


Acetylation and deacetylation of histone protein plays a critical role in regulating gene expression in a host of biological processes including cellular proliferation, development, and differentiation. Accordingly, aberrant acetylation and deacetylation resulting from the misregulation of histone acetyltransferases (HATs) and / or histone deacetylases (HDACs) has been linked to clinical disorders such as Rubinstein-Taybi syndrome, fragile X syndrome, leukemia, and various cancers. Of significant import has been the development of small molecule HDAC inhibitors that permit pharmacological manipulation of histone acetylation levels and treatment of some of these diseases including cancer. In this Review we discuss evidence that aberrant HAT and HDAC activity may also be a common underlying mechanism contributing to neurodegeneration during acute and chronic neurological diseases, including stroke, Huntingtons disease Amyotrophic Lateral Sclerosis and Alzheimers disease. With this in mind, a number of studies examining the use of HDAC inhibitors as therapy for restoring histone acetylation and transcriptional activation in in vitro and in vivo neurodegenerative models are discussed. These studies demonstrate that pharmacological HDAC inhibition is a promising therapeutic approach for the treatment of a range of central nervous system disorders.

Keywords: histone deacetylase (hdac) inhibitors, neuroprotection, apoptosis, neuron

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