Cited by 35Memory and Neural MechanismsHistone Deacetylase Inhibitors ResearchNeuroscience and Neuropharmacology Research

Distinct roles for the deacetylase domain of HDAC3 in the hippocampus and medial prefrontal cortex in the formation and extinction of memory

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Alaghband, Yasaman, Kwapis, Janine L., López, Alberto J., White, André O., Aimiuwu, Osasumwen V., Al-Kachak, Amni, Bodinayake, Kasuni K., Oparaugo, Nicole C. +4 more·2017·Neurobiology of Learning and Memory

Abstract

Histone deacetylases (HDACs) are chromatin modifying enzymes that have been implicated as powerful negative regulators of memory processes. HDAC3has been shown to play a pivotal role in long-term memory for object location as well as the extinction of cocaine-associated memory, but it is unclear whether this function depends on the deacetylase domain of HDAC3. Here, we tested whether the deacetylase domain of HDAC3has a role in object location memory formation as well as the formation and extinction of cocaine-associated memories. Using a deacetylase-dead point mutant of HDAC3, we found that selectively blocking HDAC3 deacetylase activity in the dorsal hippocampus enhanced long-term memory for object location, but had no effect on the formation of cocaine-associated memory. When this same point mutant virus of HDAC3 was infused into the prelimbic cortex, it failed to affect cocaine-associated memory formation. With regards to extinction, impairing the HDAC3 deacetylase domain in the infralimbic cortex had no effect on extinction, but a facilitated extinction effect was observed when the point mutant virus was delivered to the dorsal hippocampus. These results suggest that the deacetylase domain of HDAC3 plays a selective role in specific brain regions underlying long-term memory formation of object location as well as cocaine-associated memory formation and extinction.

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Authors
Alaghband, Y., Kwapis, J. L., López, A. J., White, A. O., Aimiuwu, O. V., Al-Kachak, A., Bodinayake, K. K., Oparaugo, N. C., Dang, R., Astarabadi, M., Matheos, D. P., & Wood, M. A.
Affiliations
University of California, Irvine (US)
Corresponding author
Wood, Marcelo A.
Venue
Neurobiology of Learning and Memory
Publisher
Elsevier BV
Published
2017-11
Volume
145
Pages
94-104
ISSN
1074-7427 (ISSN-L)
OpenAlex
W2750755494
Cited by
34
References
68
Citations by year
2026: 2 · 2025: 3 · 2024: 4 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 5 · 2019: 10 · 2018: 6 · 2017: 1
FWCI
3.45
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Learning and Memory (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute on Drug Abuse
  • National Institute of Mental Health (DA025922, DA036984, MH101491)
  • National Institute on Aging (F32 DA043998, T32 AG000096-33)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
HDAC3, histone deacetylase, object location memory, memory extinction, dorsal hippocampus, prelimbic cortex, infralimbic cortex, viral gene delivery
MeSH terms
Histone Deacetylase 3, Animals, Cocaine, Conditioning, Classical, Extinction, Psychological, Hippocampus, Histone Deacetylases, Male, Memory, Mice, Inbred C57BL, Prefrontal Cortex, Recognition, Psychology, Drug-Seeking Behavior, Spatial Learning

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