Cited by 566Gut microbiota and healthT-cell and B-cell ImmunologyImmune Response and Inflammation

Akkermansia muciniphila induces intestinal adaptive immune responses during homeostasis

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Ansaldo, Eduard, Slayden, Leianna C., Ching, Krystal L., Koch, Meghan A., Wolf, Natalie K., Plichta, Damian R., Brown, Eric M., Graham, Daniel B. +3 more·2019·Science

Abstract

Context shapes anticommensal immunity: The gut bacterium Akkermansia muciniphila is associated with protection from obesity, enhanced wound healing, and augmented antitumor responses. Ansaldo et al. found that this microbe induces antigen-specific immunoglobulin G1 (IgG1) antibodies generated by B cells with CD4 + T cell help. This is in contrast to most anticommensal responses, which involve the T cell–independent production of IgA antibodies. In a gnotobiotic setting in which all components of the microbiome are defined, A. muciniphila –specific T cells expanded only when A. muciniphila was present. The T cells primarily displayed a phenotype associated with B cell help. However, in mice with a conventional gut microbiota, other proinflammatory A. muciniphila –specific T cell populations also expanded. Thus, anti– A. muciniphila immunity is context dependent, which may explain the variable immune responses to this microbe reported in patients. Science , this issue p. 1179

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  1. [16]Salzman NH, De Jong H, Paterson Y, Harmsen HJM, Welling GW,, Analysis of 16S libraries of mouse gastrointestinal microflora reveals a large new group of mouse intestinal bacteria. Microbiology 148, 3651– 3660 (2002). 12427955

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Authors
Ansaldo, E., Slayden, L. C., Ching, K. L., Koch, M. A., Wolf, N. K., Plichta, D. R., Brown, E. M., Graham, D. B., Xavier, R. J., Moon, J. J., & Barton, G. M.
Affiliations
  • University of California, Berkeley (US)
  • Broad Institute (US)
  • Harvard University (US)
Corresponding author
Barton, Gregory M.
Venue
Science
Published
2019-06-21
Volume
364
Issue
6446
Pages
1179-1184
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2952093130
Cited by
566
References
42
Citations by year
2026: 71 · 2025: 89 · 2024: 84 · 2023: 87 · 2022: 88 · 2021: 85 · 2020: 54 · 2019: 8
FWCI
19.45
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (AI063302, AI124143, R01AI142926)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK043351)
  • Burroughs Wellcome Fund (N/A)
  • Crohn's and Colitis Foundation of America (252507)
  • Fundación Bancaria Caixa d’Estalvis i Pensions de Barcelona (N/A)
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 › Immune Response and Inflammation
Keywords
Akkermansia muciniphila, IgG1 antibodies, B cells, CD4+ T cell help, T cell expansion, gnotobiotic mice, gut microbiota, proinflammatory T cells
MeSH terms
Gastrointestinal Microbiome, Animals, Cell Movement, Female, Germ-Free Life, T-Lymphocytes, Helper-Inducer, Homeostasis, Immunoglobulin G, Intestinal Mucosa, Intestines, Male, Mice, Inbred C57BL, Immunity, Mucosal, Mice, Adaptive Immunity, Verrucomicrobia

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