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Learn Mem. 2008 Jun 26;15(7):460-7. doi: 10.1101/lm.917508. Print 2008 Jul.

Beyond transcription factors: the role of chromatin modifying enzymes in regulating transcription required for memory.

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  • 1Department of Neurobiology and Behavior, Center for the Neurobiology of Learning and Memory, University of California-Irvine, Irvine, California 92697, USA.

Abstract

One of the alluring aspects of examining chromatin modifications in the role of modulating transcription required for long-term memory processes is that these modifications may provide transient and potentially stable epigenetic marks in the service of activating and/or maintaining transcriptional processes. These, in turn, may ultimately participate in the molecular mechanisms required for neuronal changes subserving long-lasting changes in behavior. As an epigenetic mechanism of transcriptional control, chromatin modification has been shown to participate in maintaining cellular memory (e.g., cell fate) and may underlie the strengthening and maintenance of synaptic connections required for long-term changes in behavior. Epigenetics has become central to several fields of neurobiology, where researchers have found that regulation of chromatin modification has a significant role in epilepsy, drug addiction, depression, neurodegenerative diseases, and memory. In this review, we will discuss the role of chromatin modifying enzymes in memory processes, as well as how recent studies in yeast genetics and cancer biology may impact the way we think about how chromatin modification and chromatin remodeling regulate neuronal function.

PMID:
18583646
[PubMed - indexed for MEDLINE]
PMCID:
PMC3960025
Free PMC Article
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