Cited by 1,288Immune Response and InflammationGut microbiota and healthGastrointestinal motility and disorders

Toll-like receptor signalling in the intestinal epithelium: how bacterial recognition shapes intestinal function

Abreu, Maria T.·2010·Nature Reviews Immunology

Abstract

A single layer of epithelial cells lines the small and large intestines and functions as a barrier between commensal bacteria and the rest of the body. Ligation of Toll-like receptors (TLRs) on intestinal epithelial cells by bacterial products promotes epithelial cell proliferation, secretion of IgA into the gut lumen and expression of antimicrobial peptides. As described in this Review, this establishes a microorganism-induced programme of epithelial cell homeostasis and repair in the intestine. Dysregulation of this process can result in chronic inflammatory and over-exuberant repair responses, and it is associated with the development of colon cancer. Thus, dysregulated TLR signalling by intestinal epithelial cells may explain how colonic bacteria and inflammation promote colorectal cancer.

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Crossref · 10.1038/nri2707

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Authors
Abreu, M. T.
Affiliations
University of Miami (US)
Corresponding author
Abreu, Maria T.
Venue
Nature Reviews Immunology
Published
2010-02
Volume
10
Issue
2
Pages
131-144
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2055959752
Cited by
1,288
References
158
Citations by year
2026: 47 · 2025: 46 · 2024: 44 · 2023: 63 · 2022: 49 · 2021: 119 · 2020: 91 · 2019: 85 · 2018: 111 · 2017: 88 · 2016: 85 · 2015: 81 · 2014: 105 · 2013: 86 · 2012: 77
FWCI
6.93
Type
journal article
Language
en
Update notices
erratum (2010-03-01)
Open access
closed
Locations
  • Nature reviews. Immunology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
Toll-like receptors, intestinal epithelium, bacterial recognition, epithelial barrier function, epithelial repair, IgA secretion, antimicrobial peptides, epithelial cell proliferation, colorectal cancer, inflammation-associated cancer, commensal bacteria
MeSH terms
Animals, Bacteria, Colon, Homeostasis, Humans, Intestinal Mucosa, Colorectal Neoplasms, Signal Transduction, Antimicrobial Cationic Peptides, Adaptor Proteins, Signal Transducing, Cell Proliferation, Toll-Like Receptors

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