Cited by 100Cannabis and Cannabinoid ResearchNeuroscience and Neuropharmacology ResearchStress Responses and Cortisol

Endocannabinoid-Mediated plasticity in nucleus accumbens controls vulnerability to anxiety after social defeat stress

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Bosch-Bouju, Clémentine, Larrieu, Thomas, Linders, Louisa, Manzoni, Olivier J., Layé, Sophie·2016·Cell Reports

Abstract

Chronic social defeat stress (CSDS) is a clinically relevant model of mood disorders. The relationship between the CSDS model and a physiologically pertinent paradigm of synaptic plasticity is not known. Here, we found that cluster analysis of the emotional behavior states of mice exposed to CSDS allowed their segregation into anxious and non-anxious groups. Endocannabinoid-mediated spike-timing dependent plasticity (STDP) in the nucleus accumbens was attenuated in non-anxious mice and abolished in anxious mice. Anxiety-like behavior in stressed animals was specifically correlated with their ability to produce STDP. Pharmacological enhancement of 2-arachidonoyl glycerol (2-AG) signaling in the nucleus accumbens normalized the anxious phenotype and STDP in anxious mice. These data reveal that endocannabinoid modulation of synaptic efficacy in response to a naturalistic activity pattern is both a molecular correlate of behavioral adaptability and a crucial factor in the adaptive response to chronic stress.

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  • In mice with repeated social defeat stress, deficient 2-AG mediated plasticity in the nucleus accumbens is normalized by a MAGL inhibitor, along with the behavioral phenotype.

    “mice which develop a pathological-like form of anxiety-like behavior following repeated social defeat stress, were found to exhibit deficient 2-AG mediated plasticity in the nucleus accumbens and that administration of a MAGL inhibitor can normalize this behavioral phenotype as well as 2-AG mediated synaptic plasticity in the nucleus accumbens (Bosch-Bouju et al., 2016).”

    From The endocannabinoid system as a target for novel anxiolytic drugs (2017) · cites this paper as Bosch-Bouju et al., 2016

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Authors
Bosch-Bouju, C., Larrieu, T., Linders, L., Manzoni, O. J., & Layé, S.
Affiliations
  • Université de Bordeaux (FR)
  • Inserm (FR)
Corresponding author
  • Manzoni, Olivier J.
  • Layé, Sophie
Venue
Cell Reports
Publisher
Elsevier BV
Published
2016-08
Volume
16
Issue
5
Pages
1237-1242
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2504096569
Cited by
100
References
45
Citations by year
2026: 8 · 2025: 8 · 2024: 14 · 2023: 9 · 2022: 8 · 2021: 10 · 2020: 13 · 2019: 11 · 2018: 10 · 2017: 8 · 2016: 1
FWCI
8.08
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Oskar-Bordeaux (Universite de Bordeaux) (submittedVersion, cc-by-nc-nd)
Funders
  • Institut National de la Recherche Agronomique
  • Société Française de Nutrition
  • Agence Nationale de la Recherche
  • Fondation pour la Recherche Médicale
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
endocannabinoid system, nucleus accumbens, chronic social defeat stress, anxiety-like behavior, spike-timing-dependent plasticity, synaptic plasticity, 2-arachidonoylglycerol, mood disorders
MeSH terms
Animals, Anxiety, Arachidonic Acids, Behavior, Animal, Disease Models, Animal, Emotions, Glycerides, Male, Mice, Inbred C57BL, Neuronal Plasticity, Nucleus Accumbens, Social Behavior, Stress, Psychological, Mice, Endocannabinoids

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