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Cited by 618

The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.

Evidence That DNA (Cytosine-5) Methyltransferase Regulates Synaptic Plasticity in the Hippocampus

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Levenson, Jonathan M., Roth, Tania L., Lubin, Farah D., Miller, Courtney A., Huang, I-Chia, Desai, Priyanka, Malone, Lauren M., Sweatt, J. David·2006·Journal of Biological Chemistry

Abstract

DNA (cytosine-5) methylation represents one of the most widely used mechanisms of enduring cellular memory. Stable patterns of DNA methylation are established during development, resulting in creation of persisting cellular phenotypes. There is growing evidence that the nervous system has co-opted a number of cellular mechanisms used during development to subserve the formation of long term memory. In this study, we examined the role DNA (cytosine-5) methyltransferase (DNMT) activity might play in regulating the induction of synaptic plasticity. We found that the DNA within promoters for reelin and brain-derived neurotrophic factor, genes implicated in the induction of synaptic plasticity in the adult hippocampus, exhibited rapid and dramatic changes in cytosine methylation when DNMT activity was inhibited. Moreover, zebularine and 5-aza-2-deoxycytidine, inhibitors of DNMT activity, blocked the induction of long term potentiation at Schaffer collateral synapses. Activation of protein kinase C in the hippocampus decreased reelin promoter methylation and increased DNMT3A gene expression. Interestingly, DNMT activity is required for protein kinase C-induced increases in histone H3 acetylation. Considered together, these results suggest that DNMT activity is dynamically regulated in the adult nervous system and that DNMT may play a role in regulating the induction of synaptic plasticity in the mature CNS.

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Metadata

Authors
Levenson, J. M., Roth, T. L., Lubin, F. D., Miller, C. A., Huang, I.-C., Desai, P., Malone, L. M., & Sweatt, J. D.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2006-06
Volume
281
Issue
23
Pages
15763-15773
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2031379951
Cited by
618
References
10
FWCI
9.45
Type
journal article
Language
en
Open access
hybrid

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