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CD4+CD25+ TR Cells Suppress Innate Immune Pathology Through Cytokine-dependent Mechanisms

Open access
Maloy, Kevin J., Salaun, Laurence, Cahill, Rachel, Dougan, Gordon, Saunders, Nigel J., Powrie, Fiona·2003·The Journal of Experimental Medicine

Abstract

CD4+CD25+ regulatory T (TR) cells can inhibit a variety of autoimmune and inflammatory diseases, but the precise mechanisms by which they suppress immune responses in vivo remain unresolved. Here, we have used Helicobacter hepaticus infection of T cell–reconstituted recombination-activating gene (RAG)−/− mice as a model to study the ability of CD4+CD25+ TR cells to inhibit bacterially triggered intestinal inflammation. H. hepaticus infection elicited both T cell-mediated and T cell–independent intestinal inflammation, both of which were inhibited by adoptively transferred CD4+CD25+ TR cells. T cell–independent pathology was accompanied by activation of the innate immune system that was also inhibited by CD4+CD25+ TR cells. Suppression of innate immune pathology was dependent on T cell–derived interleukin 10 and also on the production of transforming growth factor β. Thus, CD4+CD25+ TR cells do not only suppress adaptive T cell responses, but are also able to control pathology mediated by innate immune mechanisms.

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Metadata

Authors
Maloy, K. J., Salaun, L., Cahill, R., Dougan, G., Saunders, N. J., & Powrie, F.
Venue
The Journal of Experimental Medicine
Published
2003-01-06
Volume
197
Issue
1
Pages
111-119
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2150026400
Cited by
739
References
5
FWCI
24.96
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: CD4+CD25+ TR Cells Suppress Innate Immune Pathology Through Cytokine-dependent Mechanisms. https://app.cochat.ai/papers/10.1084/jem.20021345
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Maloy, K. J., Salaun, L., Cahill, R., Dougan, G., Saunders, N. J., & Powrie, F. (2003). CD4+CD25+ TR Cells Suppress Innate Immune Pathology Through Cytokine-dependent Mechanisms. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.20021345

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.