Cited by 1,644Histone Deacetylase Inhibitors ResearchMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

HDAC2 negatively regulates memory formation and synaptic plasticity

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Guan, Ji-Song, Haggarty, Stephen J., Giacometti, Emanuela, Dannenberg, Jan-Hermen, Joseph, Nadine, Gao, Jun, Nieland, Thomas J. F., Zhou, Ying +6 more·2009·Nature

Abstract

Chromatin modifications, especially histone-tail acetylation, have been implicated in memory formation. Increased histone-tail acetylation induced by inhibitors of histone deacetylases (HDACis) facilitates learning and memory in wild-type mice as well as in mouse models of neurodegeneration. Harnessing the therapeutic potential of HDACis requires knowledge of the specific HDAC family member(s) linked to cognitive enhancement. Here we show that neuron-specific overexpression of HDAC2, but not that of HDAC1, decreased dendritic spine density, synapse number, synaptic plasticity and memory formation. Conversely, Hdac2 deficiency resulted in increased synapse number and memory facilitation, similar to chronic treatment with HDACis in mice. Notably, reduced synapse number and learning impairment of HDAC2-overexpressing mice were ameliorated by chronic treatment with HDACis. Correspondingly, treatment with HDACis failed to further facilitate memory formation in Hdac2-deficient mice. Furthermore, analysis of promoter occupancy revealed an association of HDAC2 with the promoters of genes implicated in synaptic plasticity and memory formation. Taken together, our results suggest that HDAC2 functions in modulating synaptic plasticity and long-lasting changes of neural circuits, which in turn negatively regulates learning and memory. These observations encourage the development and testing of HDAC2-selective inhibitors for human diseases associated with memory impairment.

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  1. [33]Ramon-Molinier E Contemporary Research Methods in Neuroanatomy Synaptic Plasticity: Multiple Forms and Mechanisms Springer Berlin, Heidelberg, New York 1970

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Authors
Guan, J.-S., Haggarty, S. J., Giacometti, E., Dannenberg, J.-H., Joseph, N., Gao, J., Nieland, T. J. F., Zhou, Y., Wang, X., Mazitschek, R., Bradner, J. E., DePinho, R. A., Jaenisch, R., & Tsai, L.-H.
Affiliations
  • Broad Institute (US)
  • Whitehead Institute for Biomedical Research (US)
  • Harvard University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Tsai, Li-Huei
Venue
Nature
Published
2009-05
Volume
459
Issue
7243
Pages
55-60
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2090760765
Cited by
1,644
References
33
Citations by year
2026: 60 · 2025: 63 · 2024: 82 · 2023: 70 · 2022: 69 · 2021: 87 · 2020: 104 · 2019: 84 · 2018: 99 · 2017: 91 · 2016: 113 · 2015: 110 · 2014: 149 · 2013: 140 · 2012: 105
FWCI
43.39
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (n01co12400-79-0-22)
  • National Institute on Drug Abuse (R01DA028301)
  • National Cancer Institute (N01-CO-012400, R01CA087869, R37CA084198)
  • National Institute of Neurological Disorders and Stroke (R01NS051874)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
HDAC2, HDAC1, histone deacetylase inhibitors, histone acetylation, chromatin modification, memory formation, synaptic plasticity, dendritic spine density, synapse number, learning disabilities, promoter binding, memory impairment
MeSH terms
Vorinostat, Animals, Butyrates, Female, Gene Expression Regulation, Hippocampus, Histone Deacetylases, Hydroxamic Acids, Learning, Male, Memory, Mice, Inbred C57BL, Neurons, Promoter Regions, Genetic, Repressor Proteins, Sodium, Mice, Knockout, Dendritic Spines, Mice, Electrical Synapses, Histone Deacetylase 1, Histone Deacetylase 2, Histone Deacetylase Inhibitors

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