Cited by 20Inflammatory Bowel DiseaseImmune Response and InflammationOcular Diseases and Behçet’s Syndrome

Plasmacytoid Dendritic Cells Are Largely Dispensable for the Pathogenesis of Experimental Inflammatory Bowel Disease

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Abstract

Inflammatory bowel disease (IBD) is a chronic inflammatory condition caused by an aberrant immune response to microbial components of the gastrointestinal tract. Plasmacytoid dendritic cells (pDCs) are innate immune cells specialized in the production of type I interferons and were recently implicated in the pathogenesis of autoimmune disorders such as lupus and scleroderma. While pDCs were shown to infiltrate intestinal mucosa of IBD patients and proposed to participate in intestinal inflammation, their net contribution to the disease remains unclear. We addressed this question by targeting the pDC-specific transcription factor TCF4 (E2-2) in experimental IBD caused by deficiency of Wiskott-Aldrich syndrome protein (WASP) or of interleukin-10 (IL-10). Monoallelic Tcf4 deletion, which was previously shown to abrogate experimental lupus, did not affect autoimmunity manifestations or colitis in WASP-deficient animals. Furthermore, conditional biallelic Tcf4 targeting resulted in a near-complete pDC ablation, yet had no effect on the development of colitis in IL-10-deficient mice. Our results suggest that, in contrast to other inflammatory and autoimmune diseases, pDCs do not play a major role in the pathogenesis of intestinal inflammation during IBD.

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Crossref · 10.3389/fimmu.2018.02475

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Authors
Sawai, C. M., Serpas, L., Neto, A. G., Jang, G., Rashidfarrokhi, A., Kolbeck, R., Sanjuan, M. A., Reizis, B., & Sisirak, V.
Affiliations
  • Université de Bordeaux (FR)
  • New York University (US)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
  • Reizis, Boris
  • Sisirak, Vanja
Venue
Frontiers in Immunology
Published
2018-10-25
Volume
9
Pages
2475-2475
ISSN
1664-3224 (ISSN-L)
OpenAlex
W2896993572
Cited by
20
References
68
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 3 · 2022: 1 · 2021: 4 · 2020: 3 · 2019: 5
FWCI
1.84
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Immunology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Cancer Research Institute
  • National Institutes of Health (AI072571)
  • National Institute of General Medical Sciences (T32GM007308)
  • National Institute of Allergy and Infectious Diseases (R01AI072571, T32AI100853, R37AI072571)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Ophthalmology › Ocular Diseases and Behçet’s Syndrome
Keywords
plasmacytoid dendritic cells, inflammatory bowel disease, colitis, TCF4, IL-10 deficiency, type I interferon, intestinal inflammation, autoimmunity
MeSH terms
Transcription Factor 4, Animals, Colitis, Dendritic Cells, Humans, Immunity, Innate, Lupus Nephritis, Male, Mice, Inbred C57BL, Inflammatory Bowel Diseases, Interleukin-10, Mice, Knockout, Models, Animal, Wiskott-Aldrich Syndrome Protein, Mice

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