Cited by 4,838Gut microbiota and healthT-cell and B-cell ImmunologyIL-33, ST2, and ILC Pathways

Metabolites produced by commensal bacteria promote peripheral regulatory T-cell generation

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Arpaia, Nicholas, Campbell, Clarissa, Fan, Xiying, Dikiy, Stanislav, van der Veeken, Joris, deRoos, Paul, Liu, Hui, Cross, Justin R. +3 more·2013·Nature

Abstract

Intestinal microbes provide multicellular hosts with nutrients and confer resistance to infection. The delicate balance between pro- and anti-inflammatory mechanisms, essential for gut immune homeostasis, is affected by the composition of the commensal microbial community. Regulatory T cells (Treg cells) expressing transcription factor Foxp3 have a key role in limiting inflammatory responses in the intestine. Although specific members of the commensal microbial community have been found to potentiate the generation of anti-inflammatory Treg or pro-inflammatory T helper 17 (TH17) cells, the molecular cues driving this process remain elusive. Considering the vital metabolic function afforded by commensal microorganisms, we reasoned that their metabolic by-products are sensed by cells of the immune system and affect the balance between pro- and anti-inflammatory cells. We tested this hypothesis by exploring the effect of microbial metabolites on the generation of anti-inflammatory Treg cells. We found that in mice a short-chain fatty acid (SCFA), butyrate, produced by commensal microorganisms during starch fermentation, facilitated extrathymic generation of Treg cells. A boost in Treg-cell numbers after provision of butyrate was due to potentiation of extrathymic differentiation of Treg cells, as the observed phenomenon was dependent on intronic enhancer CNS1 (conserved non-coding sequence 1), essential for extrathymic but dispensable for thymic Treg-cell differentiation. In addition to butyrate, de novo Treg-cell generation in the periphery was potentiated by propionate, another SCFA of microbial origin capable of histone deacetylase (HDAC) inhibition, but not acetate, which lacks this HDAC-inhibitory activity. Our results suggest that bacterial metabolites mediate communication between the commensal microbiota and the immune system, affecting the balance between pro- and anti-inflammatory mechanisms.

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  • Butyrate is capable of inducing T regulatory cell differentiation and controlling inflammation.

    “butyrate is capable of inducing Treg differentiation and controlling inflammation (17, 23, 24, 87).”

    From The Role of Short-Chain Fatty Acids From Gut Microbiota in Gut-Brain Communication (2020) · cites this paper as [23]

    The paper reports that butyrate promotes extrathymic Treg differentiation and that Tregs help limit intestinal inflammatory responses (Abstract; page unavailable). It also reports enhanced suppressor activity in Tregs from butyrate-treated mice, but does not show that butyrate itself controlled inflammation in an inflammatory condition. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Butyrate restricts inflammation by promoting the differentiation of Treg cells and supporting the functions of regulatory B cells.

    “For instance, butyrate has been shown to restrict inflammation by promoting the differentiation of Treg cells and supporting the functions of regulatory B cells.706–708”
  • SCFAs promote the expansion of Tregs but also seem to improve the function of effector T cells.

    “These were shown to promote the expansion of Tregs, but they also seem to improve the function of effector T cells10–15.”
  • SCFAs have context-dependent effects, promoting Treg expansion and also improving effector T cell functions.

    “SCFAs have context-dependent functions: they can promote the expansion of Treg cells and also improve effector T cell functions133–136.”
  • Pending further confirmation, short-chain fatty acids display context-dependent immune effects ranging from Treg cell differentiation to enhancement of effector T cell functions.

    “Pending further confirmation, these results suggest that SCFAs display context-dependent immune effects that range from the differentiation of Treg cells to the enhancement of effector T cell functions.”

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Authors
Arpaia, N., Campbell, C., Fan, X., Dikiy, S., van der Veeken, J., deRoos, P., Liu, H., Cross, J. R., Pfeffer, K., Coffer, P. J., & Rudensky, A. Y.
Affiliations
  • Memorial Sloan Kettering Cancer Center (US)
  • Heinrich Heine University Düsseldorf (DE)
Corresponding author
Rudensky, Alexander Y.
Venue
Nature
Published
2013-11-13
Volume
504
Issue
7480
Pages
451-455
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2003342633
Cited by
4,838
References
25
Citations by year
2026: 462 · 2025: 488 · 2024: 468 · 2023: 498 · 2022: 468 · 2021: 519 · 2020: 400 · 2019: 365 · 2018: 303 · 2017: 264 · 2016: 249 · 2015: 185 · 2014: 161 · 2013: 3 · 2012: 1
FWCI
89.22
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • U.S. Public Health Service (T32A1007621)
  • National Cancer Institute (T32CA009149, P30CA008748)
  • National Institute of General Medical Sciences (T32GM007739)
  • National Institute of Allergy and Infectious Diseases (R37AI034206, T32AI007621)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
Keywords
short-chain fatty acids, regulatory T cells, Foxp3, commensal bacteria, gut microbiota, colitis, histone H3 acetylation, colonic mucosa, intestinal immune homeostasis, Clostridia, Th17 cells, microbial metabolites
MeSH terms
Acetylation, Animals, Butyrates, Cell Differentiation, Dendritic Cells, Enhancer Elements, Genetic, Fermentation, Histone Deacetylases, Intestinal Mucosa, Intestines, Introns, Male, Mice, Inbred C57BL, Starch, Symbiosis, Cytokines, Lymphocyte Count, Inflammation Mediators, T-Lymphocytes, Regulatory, Mice, Forkhead Transcription Factors

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