Cited by 1,028Gut microbiota and healthAsthma and respiratory diseasesOral microbiology and periodontitis research

Microbes, Metabolites, and the Gut-Lung Axis

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Dang, Anh Thu, Marsland, Benjamin J.·2019·Mucosal Immunology

Abstract

The microbiota plays an essential role in the education, development, and function of the immune system, both locally and systemically. Emerging experimental and epidemiological evidence highlights a crucial cross-talk between the intestinal microbiota and the lungs, termed the 'gut-lung axis'. Changes in the constituents of the gut microbiome, through either diet, disease or medical interventions (such as antibiotics) is linked with altered immune responses and homeostasis in the airways. The importance of the gut-lung axis has become more evident following the identification of several gut microbe-derived components and metabolites, such as short-chain fatty acids (SCFAs), as key mediators for setting the tone of the immune system. Recent studies have supported a role for SCFAs in influencing hematopoietic precursors in the bone marrow-a major site of innate and adaptive immune cell development. Here, we review the current understanding of host-microbe cross-talk along the gut-lung axis. We highlight the importance of SCFAs in shaping and promoting bone marrow hematopoiesis to resolve airway inflammation and to support a healthy homeostasis.

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  • Gut dysbiosis disrupts pulmonary immune homeostasis, leading to increased disease susceptibility.

    “Some studies have found that gut dysbiosis, disturbance of the structure and function of the gut microbiome, disrupts pulmonary immune homeostasis, thus leading to increased disease susceptibility; the gut-lung axis is the primary cross-talk for this communication.”

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Authors
Dang, A. T., & Marsland, B. J.
Affiliations
Monash University (AU)
Corresponding author
Marsland, Benjamin J.
Venue
Mucosal Immunology
Publisher
Elsevier BV
Published
2019-07
Volume
12
Issue
4
Pages
843-850
ISSN
1933-0219 (ISSN-L)
OpenAlex
W2936757566
Cited by
1,028
References
143
Citations by year
2026: 156 · 2025: 151 · 2024: 189 · 2023: 167 · 2022: 160 · 2021: 129 · 2020: 61 · 2019: 14 · 2013: 1
FWCI
8.01
Type
journal article
Language
en
Open access
Locations
  • Mucosal Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Monash University Research Portal (Monash University) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Physiology › Asthma and respiratory diseases
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
Keywords
gut-lung axis, gut microbiota, short-chain fatty acids, bone marrow hematopoiesis, airway inflammation, immune homeostasis, airway immunity, diet and microbiome, antibiotics
MeSH terms
Gastrointestinal Microbiome, Animals, Bone Marrow, Energy Metabolism, Fatty Acids, Volatile, Hematopoiesis, Homeostasis, Humans, Intestinal Mucosa, Lung, Gastrointestinal Tract, Immunomodulation, Microbiota, Dysbiosis

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