Cited by 411Gut microbiota and healthOral microbiology and periodontitis researchGastrointestinal motility and disorders

(Dis)Trust your gut: the gut microbiome in age-related inflammation, health, and disease

Open access
Buford, Thomas W.·2017·Microbiome

Abstract

Chronic inflammation represents one of the most consistent biologic features of aging. However, the precise etiology of persistent low-grade increases in inflammation remains unclear. Recent evidence suggests that the gut microbiome may play a key role in age-related inflammation. Indeed, several studies have indicated that older adults display an altered composition of the gut microbiota, and early evidence indicates that this dysbiosis is associated with the presence of several key circulating inflammatory analytes. The present review summarizes knowledge on age-related inflammation and discusses how potential relationships with gut dysbiosis may lead to novel treatment strategies in the future."The pattern of disease is an expression of the response of man to his total environment (physical, biological, and social); this response is, therefore, determined by anything that affects man himself or his environment." - Rene Dubos, 1961.

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Crossref · 10.1186/s40168-017-0296-0

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  • Intestinal-barrier permeability increases during ageing, leading to higher endotoxin levels, including LPS, in ageing tissues.

    “A recent study has shown that intestinal-barrier permeability increases during ageing, leading to higher levels of endotoxins, including LPS, in ageing tissues58,59.”
  • Gradual changes in microbiota composition, including changes in microbial resilience, stability, and diversity, are normal features of aging.

    “Gradual changes in microbiota composition have been observed as normal features of aging, including changes in microbial resilience, stability, and diversity, which are features that occur alongside changes in microglial physiology with age (Zapata and Quagliarello, 2015; Buford, 2017).”

    From Microbiome–microglia connections via the gut–brain axis (2019) · cites this paper as Buford, 2017

  • Changes in microbiota composition occur alongside changes in microglial physiology with age.

    “Gradual changes in microbiota composition have been observed as normal features of aging, including changes in microbial resilience, stability, and diversity, which are features that occur alongside changes in microglial physiology with age (Zapata and Quagliarello, 2015; Buford, 2017).”

    From Microbiome–microglia connections via the gut–brain axis (2019) · cites this paper as Buford, 2017

  • Microbiota-driven changes in microglial behavior might have a larger role in the onset or progression of neurodegenerative disorders than previously thought.

    “Similar to neurodevelopmental disorders, this trend suggests that microbiota-driven changes in microglial behavior might have a larger role in the onset or progression of neurodegenerative disorders than previously thought (Buford, 2017).”

    From Microbiome–microglia connections via the gut–brain axis (2019) · cites this paper as Buford, 2017

  • In the aged GI tract, compromised epithelial and mucosal cell turnover, integrity, and function can lead to increased epithelial barrier permeability.

    “In the aged GI tract, compromised epithelial and mucosal cell turnover, integrity, and function [32, 36, 76, 83] can lead to increased epithelial barrier permeability [19, 75, 118, 120]”

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Authors
Buford, T. W.
Affiliations
University of Alabama at Birmingham (US)
Corresponding author
Buford, Thomas W.
Venue
Microbiome
Published
2017-07-14
Volume
5
Issue
1
Pages
80-80
ISSN
2049-2618 (ISSN-L)
OpenAlex
W2734566898
Cited by
409
References
133
Citations by year
2026: 21 · 2025: 37 · 2024: 53 · 2023: 45 · 2022: 60 · 2021: 74 · 2020: 47 · 2019: 40 · 2018: 24 · 2017: 8
FWCI
3.07
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Microbiome (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
National Institute on Aging (P30AG028740)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
gut microbiota, age-related inflammation, aging, gut dysbiosis, older adults, low-grade inflammation, circulating inflammatory biomarkers, microbiota-targeted therapy
MeSH terms
Gastrointestinal Microbiome, Adult, Age Factors, Aged, Aged, 80 and over, Aging, Animals, Diet, Feces, Female, Health, Humans, Inflammation, Male, Middle Aged, Mice, Dysbiosis

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