Cited by 424Gut microbiota and healthGastrointestinal motility and disordersTryptophan and brain disorders

Melancholic microbes: a link between gut microbiota and depression

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Dinan, T. G., Cryan, J. F.·2013·Neurogastroenterology & Motility

Abstract

There is a growing awareness of the potential for microbiota to influence gut-brain communication in health and disease. A variety of strategies have been used to study the impact of the microbiota on brain function and these include antibiotic use, probiotic treatments, fecal microbiota transplantation, gastrointestinal infection studies, and germ-free studies. All of these approaches provide evidence to support the view that the microbiota can influence brain chemistry and consequently behavior. Efforts are now turning to investigate the role of microbiota in animal models of psychopathology. Animal models of depression are thus essential in studying the complex interplay between the microbiota and brain. Recent studies published in this Journal and elsewhere demonstrate that there is a distinct perturbation of the composition of gut microbiota in animal models of depression and chronic stress. This has direct implications for the development of psychobiotic-based therapeutic strategies for psychiatric disorders. Moreover, given that affective co-morbidities, such as major depression and anxiety states, are common in patients presenting with irritable bowel syndrome (IBS), it may have implications for functional bowel disorders also. Further studies require appropriately phenotyped patients with depression and/or IBS using a judicious use of techniques including functional imaging and in depth microbial pyrosequencing.

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Crossref · 10.1111/nmo.12198

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Authors
Dinan, T. G., & Cryan, J. F.
Affiliations
University College Cork (IE)
Corresponding author
  • Dinan, T. G.
  • Cryan, J. F.
Venue
Neurogastroenterology & Motility
Publisher
Wiley
Published
2013-08
Volume
25
Issue
9
Pages
713-719
ISSN
  • 1350-1925 (ISSN-L)
  • 1365-2982
OpenAlex
W2012953866
Cited by
424
References
48
Citations by year
2026: 14 · 2025: 20 · 2024: 28 · 2023: 27 · 2022: 41 · 2021: 40 · 2020: 55 · 2019: 35 · 2018: 37 · 2017: 35 · 2016: 36 · 2015: 25 · 2014: 29 · 2013: 2
FWCI
2.88
Type
journal article
Language
en
Open access
Locations
  • Neurogastroenterology & Motility (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
gut microbiota, depression, gut-brain axis, animal models of depression, chronic stress, psychobiotics, irritable bowel syndrome, anxiety, probiotics, fecal microbiota transplantation, germ-free animals, microbiota composition
MeSH terms
Animals, Depression, Humans, Hypothalamo-Hypophyseal System, Pituitary-Adrenal System, Gastrointestinal Tract, Microbiota

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