Cited by 1,527Gut microbiota and healthGastrointestinal motility and disordersTryptophan and brain disorders

The DOI matches its Crossref record; 70 of the 71 references it cites were found in a registry or an index.

Neurotransmitter modulation by the gut microbiota

Open access
Strandwitz, Philip·2018·Brain Research

Abstract

The gut microbiota - the trillions of bacteria that reside within the gastrointestinal tract - has been found to not only be an essential component immune and metabolic health, but also seems to influence development and diseases of the enteric and central nervous system, including motility disorders, behavioral disorders, neurodegenerative disease, cerebrovascular accidents, and neuroimmune-mediated disorders. By leveraging animal models, several different pathways of communication have been identified along the "gut-brain-axis" including those driven by the immune system, the vagus nerve, or by modulation of neuroactive compounds by the microbiota. Of the latter, bacteria have been shown to produce and/or consume a wide range of mammalian neurotransmitters, including dopamine, norepinephrine, serotonin, or gamma-aminobutyric acid (GABA). Accumulating evidence in animals suggests that manipulation of these neurotransmitters by bacteria may have an impact in host physiology, and preliminary human studies are showing that microbiota-based interventions can also alter neurotransmitter levels. Nonetheless, substantially more work is required to determine whether microbiota-mediated manipulation of human neurotransmission has any physiological implications, and if so, how it may be leveraged therapeutically. In this review this exciting route of communication along the gut-brain-axis, and accompanying data, are discussed.

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Metadata

Authors
Strandwitz, P.
Affiliations
Northeastern University (US)
Corresponding author
Strandwitz, Philip
Venue
Brain Research
Publisher
Elsevier BV
Published
2018-08
Volume
1693
Issue
Pt B
Pages
128-133
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2807772034
Cited by
1,527
References
71
Citations by year
2026: 182 · 2025: 264 · 2024: 250 · 2023: 252 · 2022: 213 · 2021: 191 · 2020: 120 · 2019: 47 · 2018: 8
FWCI
8.96
Type
journal article
Language
en
Open access
Locations
  • Brain Research (acceptedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Human Genome Research Institute (R01HG005824)
  • National Institute of Allergy and Infectious Diseases (R01AI122286)
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, neurotransmitters, gut-brain axis, dopamine, norepinephrine, serotonin, GABA, neuroactive compounds, vagus nerve, neuroimmune interactions, neurodegenerative diseases, behavioral disorders, microbiota-targeted interventions
MeSH terms
Gastrointestinal Microbiome, Animals, Brain, Humans, Neurotransmitter Agents

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