Cited by 375Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchTreatment of Major Depression

Cholinergic signaling in the hippocampus regulates social stress resilience and anxiety- and depression-like behavior

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Mineur, Yann S., Obayemi, Adetokunbo, Wigestrand, Mattis B., Fote, Gianna M., Calarco, Cali A., Li, Alice M., Picciotto, Marina R.·2013·Proceedings of the National Academy of Sciences

Abstract

Symptoms of depression can be induced in humans through blockade of acetylcholinesterase (AChE) whereas antidepressant-like effects can be produced in animal models and some clinical trials by limiting activity of acetylcholine (ACh) receptors. Thus, ACh signaling could contribute to the etiology of mood regulation. To test this hypothesis, we administered the AChE inhibitor physostigmine to mice and demonstrated an increase in anxiety- and depression-like behaviors that was reversed by administration of nicotinic or muscarinic antagonists. The behavioral effects of physostigmine were also reversed by administration of the selective serotonin reuptake inhibitor fluoxetine. Administration of fluoxetine also increased AChE activity throughout the brain, with the greatest change in the hippocampus. To determine whether cholinergic signaling in the hippocampus could contribute to the systemic effects of cholinergic drugs, we infused physostigmine or virally delivered shRNAs targeting AChE into the hippocampus. Both pharmacological and molecular genetic decreases in hippocampal AChE activity increased anxiety- and depression-like behaviors and decreased resilience to repeated stress in a social defeat paradigm. The behavioral changes due to shRNA-mediated knockdown of AChE were rescued by coinfusion of an shRNA-resistant AChE transgene into the hippocampus and reversed by systemic administration of fluoxetine. These data demonstrate that ACh signaling in the hippocampus promotes behaviors related to anxiety and depression. The sensitivity of these effects to fluoxetine suggests that shRNA-mediated knockdown of hippocampal AChE represents a model for anxiety- and depression-like phenotypes. Furthermore, abnormalities in the cholinergic system may be critical for the etiology of mood disorders and could represent an endophenotype of depression.

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  • Increasing acetylcholine signaling in the hippocampus via local knockdown of AChE results in increased avoidance of anxiogenic environments, increased immobility in response to inescapable stress, and decreased threshold for social defeat.

    “Increasing acetylcholine signaling in the hippocampus via local knockdown of acetylcholine esterase (AChE) results in increased avoidance of anxiogenic environments, in-creased immobility in response to inescapable stress, and decreased threshold for social defeat (Mineur et al. 2013).”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Mineur et al. 2013

  • Increased ACh transmission can increase behaviors related to depression in humans and rodents, but the type of circuits/cell types modulated by ACh or nAChRs can have opposite effects on mood regulation, and the outcome depends on the sum of these effects.

    “while increased ACh transmission can increase behaviors related to depression in humans (Risch et al., 1980) and rodents (Mineur et al., 2013), the type of circuits/cell types that are modulated by ACh or nAChRs can have opposite effects on mood regulation, and the outcome on behavior depends on the sum of these effects.”
  • Abnormal nicotinic signaling may underlie depression symptoms.

    “These results indicate that abnormal nicotinic signaling may underlie depression symptoms (Mineur et al., 2013; Tizabi et al., 2000)”

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Authors
Mineur, Y. S., Obayemi, A., Wigestrand, M. B., Fote, G. M., Calarco, C. A., Li, A. M., & Picciotto, M. R.
Affiliations
Yale University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2013-02-11
Volume
110
Issue
9
Pages
3573-3578
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2020386906
Cited by
375
References
46
Citations by year
2026: 25 · 2025: 28 · 2024: 21 · 2023: 24 · 2022: 38 · 2021: 34 · 2020: 38 · 2019: 30 · 2018: 33 · 2017: 20 · 2016: 24 · 2015: 27 · 2014: 18 · 2013: 15
FWCI
13.90
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (DA033945)
  • National Institute of Mental Health (MH077681, R01MH077681)
  • National Institute on Drug Abuse (P50DA033945, DA033945)
  • National Institute of General Medical Sciences (T32GM007205)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
cholinergic neurotransmission, hippocampus, acetylcholinesterase, physostigmine, anxiety-like behavior, depression-like behavior, social defeat, fluoxetine, nicotinic acetylcholine receptors, muscarinic receptors, shRNA knockdown, mood disorders
MeSH terms
Acetylcholinesterase, Dependovirus, Animals, Antidepressive Agents, Anxiety, Behavior, Animal, Depression, Fluoxetine, Hippocampus, Humans, Male, Mice, Inbred C57BL, Phenotype, Physostigmine, Receptors, Cholinergic, Stress, Psychological, Time Factors, Signal Transduction, Cholinergic Antagonists, Hindlimb Suspension, RNA, Small Interfering, Mice, Resilience, Psychological, Gene Knockdown Techniques, Cholinergic Neurons

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