Cited by 124Tryptophan and brain disordersInflammatory Bowel DiseaseNeuroinflammation and Neurodegeneration Mechanisms

Neuroinflammation as an etiological trigger for depression comorbid with inflammatory bowel disease

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Craig, Colin F., Filippone, Rhiannon T., Stavely, Rhian, Bornstein, Joel C., Apostolopoulos, Vasso, Nurgali, Kulmira·2022·Journal of Neuroinflammation

Abstract

Patients with inflammatory bowel disease (IBD) suffer from depression at higher rates than the general population. An etiological trigger of depressive symptoms is theorised to be inflammation within the central nervous system. It is believed that heightened intestinal inflammation and dysfunction of the enteric nervous system (ENS) contribute to impaired intestinal permeability, which facilitates the translocation of intestinal enterotoxins into the blood circulation. Consequently, these may compromise the immunological and physiological functioning of distant non-intestinal tissues such as the brain. In vivo models of colitis provide evidence of increased blood–brain barrier permeability and enhanced central nervous system (CNS) immune activity triggered by intestinal enterotoxins and blood-borne inflammatory mediators. Understanding the immunological, physiological, and structural changes associated with IBD and neuroinflammation may aid in the development of more tailored and suitable pharmaceutical treatment for IBD-associated depression.

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Crossref · 10.1186/s12974-021-02354-1

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  • The relationship between IBD and mental illness can be bidirectional, with systemic inflammation and gut-brain interactions as possible mechanisms.

    “Recent studies indicate that the relationship between IBD and mental illness can be bidirectional, evoking the systemic inflammation that damages the body’s immune and nervous systems and is a possible mechanism for both IBD and mental illness, as well as complex gut–brain interactions [46,47,48,49].”

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1 retracted

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Research works printed but not linked: 2

  1. [216]Koo JW Duman RS IL-1β is an essential mediator of the antineurogenic and anhedonic effects of stress Proc Natl Acad Sci 2008 105 2 751 18178625 PMC2206608
  2. [313]Walker JR, Ediger JP, Graff LA, Greenfeld JM, Clara I, Lix L, et al. The Manitoba IBD Cohort Study: A Population-Based Study of the Prevalence of Lifetime and 12-Month Anxiety and Mood Disorders. Official journal of the American College of Gastroenterology | ACG. 2008;103(8). 18796096

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Authors
Craig, C. F., Filippone, R. T., Stavely, R., Bornstein, J. C., Apostolopoulos, V., & Nurgali, K.
Affiliations
  • Sunshine Hospital (AU)
  • Harvard University (US)
  • The University of Melbourne (AU)
  • Australian Institute for Musculoskeletal Science (AU)
Corresponding author
Nurgali, Kulmira
Venue
Journal of Neuroinflammation
Published
2022-01-04
Volume
19
Issue
1
Pages
4-4
ISSN
1742-2094 (ISSN-L)
OpenAlex
W4206422593
Cited by
124
References
373
Citations by year
2026: 26 · 2025: 39 · 2024: 30 · 2023: 20 · 2022: 9
FWCI
1.85
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroinflammation (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Victoria University Research Repository (Victoria University) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
Funders
  • Victoria University
  • National Health and Medical Research Council (1158952)
Topics
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
neuroinflammation, depression, inflammatory bowel disease, intestinal permeability, enterotoxin, blood-brain barrier permeability, enteric nervous system, colitis, gut-brain axis
MeSH terms
Brain-Gut Axis, Neuroinflammatory Diseases, Depression, Humans, Inflammatory Bowel Diseases

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