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2014 ; 21
(10
): 564-8
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A role for histone deacetylases in the cellular and behavioral mechanisms
underlying learning and memory
#MMPMID25227251
Mahgoub M
; Monteggia LM
Learn Mem
2014[Oct]; 21
(10
): 564-8
PMID25227251
show ga
Histone deacetylases (HDACs) are a family of chromatin remodeling enzymes that
restrict access of transcription factors to the DNA, thereby repressing gene
expression. In contrast, histone acetyltransferases (HATs) relax the chromatin
structure allowing for an active chromatin state and promoting gene
transcription. Accumulating data have demonstrated a crucial function for histone
acetylation and histone deacetylation in regulating the cellular and behavioral
mechanisms underlying synaptic plasticity and learning and memory. In trying to
delineate the roles of individual HDACs, genetic tools have been used to
manipulate HDAC expression in rodents, uncovering distinct contributions of
individual HDACs in regulating the processes of memory formation. Moreover,
recent findings have suggested an important role for HDAC inhibitors in enhancing
learning and memory processes as well as ameliorating symptoms related to
neurodegenerative diseases. In this review, we focus on the role of HDACs in
learning and memory, as well as significant data emerging from the field in
support of HDAC inhibitors as potential therapeutic targets for the treatment of
cognitive disorders.
|Animals
[MESH]
|Brain/*physiology
[MESH]
|Chromatin Assembly and Disassembly/physiology
[MESH]
|Epigenesis, Genetic
[MESH]
|Histone Acetyltransferases/metabolism
[MESH]
|Histone Deacetylase Inhibitors/therapeutic use
[MESH]