Cited by 49Gut microbiota and healthNeuroinflammation and Neurodegeneration MechanismsTryptophan and brain disorders

Regulation of microglial physiology by the microbiota

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Cook, James, Prinz, Marco·2022·Gut Microbes

Abstract

The mammalian gut contains a large, complex community of microorganisms collectively termed the microbiota. It is increasingly appreciated that gut microbes are closely integrated into mammalian physiology, participating in metabolic symbiosis, promoting immune function and signaling to a wide variety of distant cells, including the brain, via circulating metabolites. Recent advances indicate that microglia, the brain's resident immune cells, are influenced by microbial metabolites at all stages of life, under both physiological and pathological conditions. The pathways by which microbiota regulate microglial function are therefore of interest for investigating links between neurological disorders and gut microbiome changes. In this review, we discuss the effects and mechanisms of microbiota-microglia signaling in steady state, as well as evidence for the involvement of this signaling axis in CNS pathologies.

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Crossref · 10.1080/19490976.2022.2125739

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  • The microbiota-gut-brain axis represents an important regulator of glial functions, making it an actionable target to ameliorate the development and progression of neurodegenerative diseases.

    “The microbiota–gut–brain axis represents an important regulator of glial functions, making it an actionable target to ameliorate the development and progression of neurodegenerative diseases.”
  • Throughout the host lifespan, the gut microbiome provides essential signals to microglia during health and disease.

    “Throughout the host lifespan, the gut microbiome provides essential signals to microglia during health and disease.59,60,187,188”

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Authors
Cook, J., & Prinz, M.
Affiliations
University of Freiburg (DE)
Corresponding author
  • Cook, James
  • Prinz, Marco
Venue
Gut Microbes
Published
2022-09-24
Volume
14
Issue
1
Pages
2125739-2125739
ISSN
  • 1949-0976 (ISSN-L)
  • 1949-0984
OpenAlex
W4297183631
Cited by
49
References
141
Citations by year
2026: 14 · 2025: 14 · 2024: 11 · 2023: 8 · 2022: 2
FWCI
0.94
Type
journal article
Language
en
Open access
Locations
  • Gut Microbes (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
M.P. was supported by the Sobek Foundation, the Ernst-Jung Foundation, the Novo Nordisk Prize,
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
gut microbiota, microglia, microbial metabolites, gut-brain axis, neuroinflammation, neurological disorders, metabolic symbiosis, immune signaling
MeSH terms
Gastrointestinal Microbiome, Animals, Brain, Humans, Mammals, Nervous System Diseases, Microglia, Microbiota

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