Cited by 79Inflammatory Bowel DiseaseImmune Response and InflammationInflammasome and immune disorders

NOD-like receptors in intestinal homeostasis and epithelial tissue repair

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Parlato, Marianna, Yeretssian, Garabet·2014·International Journal of Molecular Sciences

Abstract

The intestinal epithelium constitutes a dynamic physical barrier segregating the luminal content from the underlying mucosal tissue. Following injury, the epithelial integrity is restored by rapid migration of intestinal epithelial cells (IECs) across the denuded area in a process known as wound healing. Hence, through a sequence of events involving restitution, proliferation and differentiation of IECs the gap is resealed and homeostasis reestablished. Relapsing damage followed by healing of the inflamed mucosa is a hallmark of several intestinal disorders including inflammatory bowel diseases (IBD). While several regulatory peptides, growth factors and cytokines stimulate restitution of the epithelial layer after injury, recent evidence in the field underscores the contribution of innate immunity in controlling this process. In particular, nucleotide-binding and oligomerization domain-like receptors (NLRs) play critical roles in sensing the commensal microbiota, maintaining homeostasis, and regulating intestinal inflammation. Here, we review the process of intestinal epithelial tissue repair and we specifically focus on the impact of NLR-mediated signaling mechanisms involved in governing epithelial wound healing during disease.

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  • NLRs proteins are responsible for maintaining gut barrier integrity by sensing the presence of commensal microbiota and the regulation of intestinal inflammation.

    “NLRs proteins are also responsible for maintaining gut barrier integrity by sensing the presence of commensal microbiota and the regulation of intestinal inflammation.172,173”

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Authors
Parlato, M., & Yeretssian, G.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • Tisch Cancer Institute (US)
Corresponding author
Yeretssian, Garabet
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2014-05-30
Volume
15
Issue
6
Pages
9594-9627
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2061048240
Cited by
79
References
293
Citations by year
2026: 3 · 2025: 6 · 2024: 4 · 2023: 7 · 2022: 6 · 2021: 8 · 2020: 4 · 2019: 8 · 2018: 13 · 2017: 6 · 2016: 7 · 2015: 5 · 2014: 2
FWCI
0.88
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Leona M. and Harry B. Helmsley Charitable Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
NOD-like receptors, intestinal epithelium, intestinal homeostasis, epithelial repair, tissue repair, intestinal inflammation, inflammatory bowel disease, innate immunity, commensal microbiota, epithelial restitution, intestinal epithelial cells
MeSH terms
Animals, Homeostasis, Humans, Immunity, Innate, Intestinal Mucosa, Wound Healing, Inflammatory Bowel Diseases, Toll-Like Receptors, Nod Signaling Adaptor Proteins, Inflammasomes

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