Cited by 238Celiac Disease Research and ManagementWheat and Barley Genetics and PathologyInflammatory Bowel Disease

IL-15, gluten and HLA-DQ8 drive tissue destruction in coeliac disease

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Abadie, Valérie, Kim, Sangman M., Lejeune, Thomas, Palanski, Brad A., Ernest, Jordan D., Tastet, Olivier, Voisine, Jordan, Discepolo, Valentina +15 more·2020·Nature

Abstract

Coeliac disease is a complex, polygenic inflammatory enteropathy caused by exposure to dietary gluten that occurs in a subset of genetically susceptible individuals who express either the HLA-DQ8 or HLA-DQ2 haplotypes 1,2. The need to develop non-dietary treatments is now widely recognized 3, but no pathophysiologically relevant gluten- and HLA-dependent preclinical model exists. Furthermore, although studies in humans have led to major advances in our understanding of the pathogenesis of coeliac disease 4, the respective roles of disease-predisposing HLA molecules, and of adaptive and innate immunity in the development of tissue damage, have not been directly demonstrated. Here we describe a mouse model that reproduces the overexpression of interleukin-15 (IL-15) in the gut epithelium and lamina propria that is characteristic of active coeliac disease, expresses the predisposing HLA-DQ8 molecule, and develops villous atrophy after ingestion of gluten. Overexpression of IL-15 in both the epithelium and the lamina propria is required for the development of villous atrophy, which demonstrates the location-dependent central role of IL-15 in the pathogenesis of coeliac disease. In addition, CD4+ T cells and HLA-DQ8 have a crucial role in the licensing of cytotoxic T cells to mediate intestinal epithelial cell lysis. We also demonstrate a role for the cytokine interferon-γ (IFNγ) and the enzyme transglutaminase 2 (TG2) in tissue destruction. By reflecting the complex interaction between gluten, genetics and IL-15-driven tissue inflammation, this mouse model provides the opportunity to both increase our understanding of coeliac disease, and develop new therapeutic strategies.

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  • Under stress or inflammatory conditions, such as in celiac disease, iIELs upregulate the expression of activating NKG2D and CD94/NKG2C receptors (which recognize MICA/B and HLA-E, respectively) while losing the expression of the inhibitory receptors CD94/NKG2A.

    “Under stress or inflammatory conditions, such as in celiac disease, iIELs upregulate the expression of activating NKG2D and CD94/NKG2C receptors, (which recognize MICA/B and HLA-E, respectively) while losing the expression of the inhibitory receptors CD94/NKG2A [302, 306-308].”

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Authors
Abadie, V., Kim, S. M., Lejeune, T., Palanski, B. A., Ernest, J. D., Tastet, O., Voisine, J., Discepolo, V., Marietta, E. V., Hawash, M. B. F., Ciszewski, C., Bouziat, R., Panigrahi, K., Horwath, I., Zurenski, M. A., Lawrence, I., Dumaine, A., Yotova, V., Grenier, J.-C., Murray, J. A., Khosla, C., Barreiro, L. B., & Jabri, B.
Affiliations
  • University of Chicago (US)
  • Université de Montréal (CA)
  • Stanford University (US)
  • Centre Hospitalier Universitaire Sainte-Justine (CA)
  • Mayo Clinic (US)
Venue
Nature
Published
2020-02-12
Volume
578
Issue
7796
Pages
600-604
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W3005574648
Cited by
231
References
43
Citations by year
2026: 21 · 2025: 52 · 2024: 39 · 2023: 27 · 2022: 33 · 2021: 32 · 2020: 25 · 2019: 1
FWCI
26.93
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (T32AI007090)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK100619, T32DK007074, R01DK067180, P30DK042086, R01DK063158)
Topics
  • Health Sciences › Medicine › Gastroenterology › Celiac Disease Research and Management
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Wheat and Barley Genetics and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
Keywords
celiac disease, IL-15, gluten, HLA-DQ8, villous atrophy, mouse model, CD4+ T cells, cytotoxic T lymphocytes, interferon-gamma, tissue transglutaminase, intestinal epithelial damage, lamina propria, HLA-DQ2, innate immunity, adaptive immunity
MeSH terms
Animals, Celiac Disease, Female, Glutens, HLA-DQ Antigens, Humans, Interferon-gamma, Male, Mice, Transgenic, Microfilament Proteins, CD4-Positive T-Lymphocytes, Interleukin-15, Mice

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