Cited by 233Vagus Nerve Stimulation ResearchInflammatory Bowel DiseaseGastrointestinal motility and disorders

Impaired parasympathetic function increases susceptibility to inflammatory bowel disease in a mouse model of depression

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Ghia, Jean-Eric, Blennerhassett, Patricia, Collins, Stephen M.·2008·Journal of Clinical Investigation

Abstract

Clinical and experimental evidence indicates that intestinal inflammatory conditions can be exacerbated by behavioral conditions such as depression. The recent demonstration of a tonic counterinflammatory influence mediated by the vagus nerve in experimental colitis provides a potential link between behavior and gut inflammation. Here we show that experimental conditions that induced depressive-like behaviors in mice increased susceptibility to intestinal inflammation by interfering with the tonic vagal inhibition of proinflammatory macrophages and that tricyclic antidepressants restored vagal function and reduced intestinal inflammation. These results show that reserpine-induced monoamine depletion and maternal separation, 2 models for depression, produced a vulnerability to colitis by a mechanism involving parasympathetic transmission and the presence of gut macrophages. The tricyclic antidepressant desmethylimipramine protected against this vulnerability by a vagal-dependent mechanism. Together these results illustrate the critical role of the vagus in both the vulnerability to inflammation induced by depressive-like conditions and the protection afforded by tricyclic antidepressants and rationalize a clinical evaluation of both parasympathomimetics and tricyclic antidepressants in treatment of inflammatory bowel disease.

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  • Vagus nerve dysfunction could exacerbate this neuroinflammatory pathway.

    “Critically, vagus nerve dysfunction could exacerbate this neuroinflammatory pathway [43], [52].”

    From The hidden genetic and microbial networks connecting neuropsychiatric and digestive disorders (2025) · cites this paper as [52]

    The Introduction describes impaired vagal function as a proposed cause of increased susceptibility to gut inflammation, and the Discussion reports that vagotomy substantially worsened colitis in mice. This supports a vagus-mediated inflammatory mechanism, but the paper does not establish that dysfunction exacerbates a neuroinflammatory pathway specifically. (LLM, conf=0.83)

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Research works printed but not linked: 2

  1. Groves, D.A., and Brown, V.J. 2005. Vagal nerve stimulation: a review of its applications and poten- tial mechanisms that mediate its clinical effects. Neurosci. Biobehav. Rev. 29:493-500.
  2. Sturiale, S., et al. 1999. Neutral endopeptidase (EC 3.4.24.11) terminates colitis by degrading substance P. Proc. Natl. Acad. Sci. U. S. A. 96:11653-11658.

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Authors
Ghia, J.-E., Blennerhassett, P., & Collins, S. M.
Affiliations
McMaster University (CA)
Corresponding author
Collins, Stephen M.
Venue
Journal of Clinical Investigation
Published
2008-05-01
Volume
118
Issue
6
Pages
2209-18
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2169338224
Cited by
233
References
0
Citations by year
2026: 2 · 2025: 10 · 2024: 13 · 2023: 14 · 2022: 16 · 2021: 10 · 2020: 13 · 2019: 9 · 2018: 12 · 2017: 10 · 2016: 23 · 2015: 16 · 2014: 15 · 2013: 19 · 2012: 10
FWCI
9.02
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Institut de France
  • McMaster University
  • Crohn's and Colitis Foundation
  • Crohn's and Colitis Foundation of Canada
  • Canadian Association of Gastroenterology
Topics
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
depression, inflammatory bowel disease, vagus nerve, parasympathetic nervous system, colitis, tricyclic antidepressants, desmethylimipramine, reserpine, maternal separation, monoamine depletion, gut-brain axis, neuroimmune regulation
MeSH terms
Animals, Antidepressive Agents, Brain, Colitis, Depressive Disorder, Disease Models, Animal, Female, Macrophages, Male, Mice, Inbred C57BL, Parasympathetic Nervous System, Reserpine, Serotonin, Inflammatory Bowel Diseases, Serotonin Agents, Genetic Predisposition to Disease, Mice

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