Cited by 344Gut microbiota and healthGastrointestinal motility and disordersTryptophan and brain disorders

Microbiota and the gut-brain-axis: Implications for new therapeutic design in the CNS

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Liu, Longsha, Huh, Jun R., Shah, Khalid·2022·eBioMedicine

Abstract

The recent revelation that the gut microbiome, home to approximately 100 trillion microorganisms, is implicated in the development of both health and disease has spurred an exponential increase in interdisciplinary research involving gut microbiology. In all this hype, there is a need to better understand and contextualize the emerging evidence for the role of the gut microbiota in neurodegenerative and neurodevelopmental diseases, including central nervous system (CNS) malignancies. In this review, we aim to unravel the complex interactions of the microbiota-gut-brain-axis to pave a better understanding of microbiota-mediated pathogenesis, avenues for noninvasive prognosis, and therapeutic possibilities leveraging microbiota-gut-brain-axis modulations. We further provide insights of the ongoing transition from bench to bedside and discuss limitations of current approaches. Ultimately, we urge the continued development of synergistic therapeutic models with considerable consideration of the many gut-resident bacteria that will enable significant progress for the treatment of many neurological diseases.

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  • Several pathways by which the gut microbiota communicates with the CNS have been proposed, including modulation of the immune system, vagus nerve, enteric nervous system (ENS), neuroendocrine system, and circulatory system via the production of neuroactive substances, metabolites, and hormones.

    “Although the gut and brain are anatomically separated, several pathways by which the gut microbiota communicates with the CNS have been proposed. These include modulation of the immune system, vagus nerve, enteric nervous system (ENS), neuroendocrine system, and circulatory system via the production of neuroactive substances, metabolites, and hormones (Fig. 1).31,32”

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Authors
Liu, L., Huh, J. R., & Shah, K.
Affiliations
Brigham and Women's Hospital (US)
Corresponding author
Shah, Khalid
Venue
eBioMedicine
Publisher
Elsevier BV
Published
2022-03
Volume
77
Pages
103908
ISSN
2352-3964 (ISSN-L)
OpenAlex
W4214887092
Cited by
344
References
73
Citations by year
2026: 66 · 2025: 97 · 2024: 77 · 2023: 76 · 2022: 28
FWCI
7.41
Type
journal article
Language
en
Open access
Locations
  • EBioMedicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
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, gut-brain axis, neurodegenerative diseases, neurodevelopmental disorders, central nervous system malignancies, microbiota-targeted therapy, neurological disease treatment
MeSH terms
Gastrointestinal Microbiome, Brain-Gut Axis, Bacteria, Brain, Humans

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