Cited by 278Gut microbiota and healthAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

The gut microbiome in Alzheimer’s disease: what we know and what remains to be explored

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Chandra, Sidhanth, Sisodia, Sangram S., Vassar, Robert J.·2023·Molecular Neurodegeneration

Abstract

Alzheimer’s disease (AD), the most common cause of dementia, results in a sustained decline in cognition. There are currently few effective disease modifying therapies for AD, but insights into the mechanisms that mediate the onset and progression of disease may lead to new, effective therapeutic strategies. Amyloid beta oligomers and plaques, tau aggregates, and neuroinflammation play a critical role in neurodegeneration and impact clinical AD progression. The upstream modulators of these pathological features have not been fully clarified, but recent evidence indicates that the gut microbiome (GMB) may have an influence on these features and therefore may influence AD progression in human patients. In this review, we summarize studies that have identified alterations in the GMB that correlate with pathophysiology in AD patients and AD mouse models. Additionally, we discuss findings with GMB manipulations in AD models and potential GMB-targeted therapeutics for AD. Lastly, we discuss diet, sleep, and exercise as potential modifiers of the relationship between the GMB and AD and conclude with future directions and recommendations for further studies of this topic.

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Authors
Chandra, S., Sisodia, S. S., & Vassar, R. J.
Affiliations
  • Northwestern University (US)
  • University of Chicago (US)
Corresponding author
Vassar, Robert J.
Venue
Molecular Neurodegeneration
Published
2023-02-01
Volume
18
Issue
1
Pages
9-9
ISSN
1750-1326 (ISSN-L)
OpenAlex
W4318680477
Cited by
278
References
228
Citations by year
2026: 56 · 2025: 100 · 2024: 84 · 2023: 38
FWCI
7.37
Type
journal article
Language
en
Open access
Locations
  • Molecular Neurodegeneration (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Knowledge@UChicago (University of Chicago) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • University of Chicago (cc-by)
Funders
Good ventures foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, gut microbiota, amyloid-beta, tau aggregates, neuroinflammation, neurodegeneration, gut-brain axis, microbiota-based therapy, diet, sleep, physical activity, mouse models of Alzheimer's disease
MeSH terms
Gastrointestinal Microbiome, Alzheimer Disease, Animals, Cognition, Disease Models, Animal, Humans, Amyloid beta-Peptides, Mice

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