Cited by 497Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsGenomics and Chromatin Dynamics

Integration of Long-Term-Memory-Related Synaptic Plasticity Involves Bidirectional Regulation of Gene Expression and Chromatin Structure

Open access
Guan, Zhonghui, Giustetto, Maurizio, Lomvardas, Stavros, Kim, Joung-Hun, Miniaci, Maria Concetta, Schwartz, James H., Thanos, Dimitris, Kandel, Eric R.·2002·Cell

Abstract

Excitatory and inhibitory inputs converge on single neurons and are integrated into a coherent output. Although much is known about short-term integration, little is known about how neurons sum opposing signals for long-term synaptic plasticity and memory storage. In Aplysia, we find that when a sensory neuron simultaneously receives inputs from the facilitatory transmitter 5-HT at one set of synapses and the inhibitory transmitter FMRFamide at another, long-term facilitation is blocked and synapse-specific long-term depression dominates. Chromatin immunoprecipitation assays show that 5-HT induces the downstream gene C/EBP by activating CREB1, which recruits CBP for histone acetylation, whereas FMRFa leads to CREB1 displacement by CREB2 and recruitment of HDAC5 to deacetylate histones. When the two transmitters are applied together, facilitation is blocked because CREB2 and HDAC5 displace CREB1-CBP, thereby deacetylating histones.

Integrity signals

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Crossref · 10.1016/s0092-8674(02)01074-7

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24 of 24 references verified0 citation errors · 0 not checkable

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Authors
Guan, Z., Giustetto, M., Lomvardas, S., Kim, J.-H., Miniaci, M. C., Schwartz, J. H., Thanos, D., & Kandel, E. R.
Affiliations
  • New York State Psychiatric Institute (US)
  • Howard Hughes Medical Institute (US)
  • Columbia University (US)
Corresponding author
Kandel, Eric R.
Venue
Cell
Publisher
Elsevier BV
Published
2002-11
Volume
111
Issue
4
Pages
483-493
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2074489888
Cited by
497
References
24
Citations by year
2026: 5 · 2025: 8 · 2024: 13 · 2023: 11 · 2022: 15 · 2021: 21 · 2020: 16 · 2019: 17 · 2018: 14 · 2017: 21 · 2016: 25 · 2015: 19 · 2014: 41 · 2013: 38 · 2012: 29
FWCI
6.18
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
Funders
National Institute of Mental Health (MH-48850, R01MH048850)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
long-term synaptic plasticity, memory storage, Aplysia, FMRFamide, inhibitory synaptic input, CREB1, ATF4, C/EBP, CBP, histone acetylation, HDAC5, histone deacetylation, chromatin structure, gene expression regulation, long-term depression, sensory neurons
MeSH terms
Acetylation, Animals, Aplysia, Chromatin, Gene Expression Regulation, Histone Deacetylases, Histones, Motor Neurons, Nerve Tissue Proteins, Neurons, Afferent, Nuclear Proteins, Repressor Proteins, Serotonin, Synapses, Transcription Factors, Transcription, Genetic, Trans-Activators, Cyclic AMP Response Element-Binding Protein, Long-Term Potentiation, FMRFamide, CCAAT-Enhancer-Binding Proteins, TATA-Box Binding Protein, Long-Term Synaptic Depression, CREB-Binding Protein

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