Cited by 115T-cell and B-cell ImmunologyGut microbiota and healthIL-33, ST2, and ILC Pathways

The DOI matches its Crossref record; 48 of the 50 references it cites were found in a registry or an index.

Microanatomical dissection of human intestinal T-cell immunity reveals site-specific changes in gut-associated lymphoid tissues over life

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Abstract

Defining adaptive immunity with the complex structures of the human gastrointestinal (GI) tract over life is essential for understanding immune responses to ingested antigens, commensal and pathogenic microorganisms, and dysfunctions in disease. We present here an analysis of lymphocyte localization and T cell subset composition across the human GI tract including mucosal sites (jejunum, ileum, colon), gut-associated lymphoid tissues (isolated lymphoid follicles (ILFs), Peyer's patches (PPs), appendix), and mesenteric lymph nodes (MLNs) from a total of 68 donors spanning eight decades of life. In pediatric donors, ILFs and PP containing naïve T cells and regulatory T cells (Tregs) are prevalent in the jejunum and ileum, respectively; these decline in frequency with age, contrasting stable frequencies of ILFs and T cell subsets in the colon. In the mucosa, tissue resident memory T cells develop during childhood, and persist in high frequencies into advanced ages, while T cell composition changes with age in GALT and MLN. These spatial and temporal features of human intestinal T cell immunity define signatures that can be used to train predictive machine learning algorithms. Our findings demonstrate an anatomic basis for age-associated alterations in immune responses, and establish a quantitative baseline for intestinal immunity to define disease pathologies.

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Metadata

Authors
Senda, T., Dogra, P., Granot, T., Furuhashi, K., Snyder, M. E., Carpenter, D. J., Szabo, P. A., Thapa, P., Miron, M., & Farber, D. L.
Affiliations
Columbia University Irving Medical Center (US)
Venue
Mucosal Immunology
Publisher
Elsevier BV
Published
2019-03
Volume
12
Issue
2
Pages
378-389
ISSN
1933-0219 (ISSN-L)
OpenAlex
W2902016030
Cited by
114
References
50
Citations by year
2026: 10 · 2025: 15 · 2024: 12 · 2023: 12 · 2022: 11 · 2021: 26 · 2020: 16 · 2019: 11
FWCI
5.91
Type
journal article
Language
en
Open access
Locations
  • Mucosal Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (AI06697, AI100119)
  • National Institute of Allergy and Infectious Diseases (U01AI100119, P01AI106697, R01AI100119, T32AI106711)
  • National Center for Research Resources (S10RR027050)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
Keywords
gut-associated lymphoid tissue, isolated lymphoid follicles, Peyer's patches, mesenteric lymph nodes, regulatory T cells, naive T cells, tissue-resident memory T cells, age-related immune changes, jejunum, ileum, colon, appendix, pediatric donors, machine learning training data
MeSH terms
Adult, Aging, Cells, Cultured, Child, Duodenum, Humans, Ileum, Immunity, Cellular, Intestinal Mucosa, Jejunum, Lymph Nodes, Organ Specificity, Peyer's Patches, T-Lymphocyte Subsets, T-Lymphocytes, Regulatory

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