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Interleukin‐33 (IL‐33): A nuclear cytokine from the IL‐1 family

Open access
Cayrol, Corinne, Girard, Jean‐Philippe·2018·Immunological Reviews

Abstract

Summary: Interleukin‐33 (IL‐33) is a tissue‐derived nuclear cytokine from the IL‐1 family abundantly expressed in endothelial cells, epithelial cells and fibroblast‐like cells, both during homeostasis and inflammation. It functions as an alarm signal (alarmin) released upon cell injury or tissue damage to alert immune cells expressing the ST 2 receptor (IL‐1 RL 1). The major targets of IL‐33 in vivo are tissue‐resident immune cells such as mast cells, group 2 innate lymphoid cells (ILC 2s) and regulatory T cells (Tregs). Other cellular targets include T helper 2 (Th2) cells, eosinophils, basophils, dendritic cells, Th1 cells, CD 8+ T cells, NK cells, iNKT cells, B cells, neutrophils and macrophages. IL‐33 is thus emerging as a crucial immune modulator with pleiotropic activities in type‐2, type‐1 and regulatory immune responses, and important roles in allergic, fibrotic, infectious, and chronic inflammatory diseases. The critical function of IL‐33/ST 2 signaling in allergic inflammation is illustrated by the fact that IL 33 and IL 1 RL 1 are among the most highly replicated susceptibility loci for asthma. In this review, we highlight 15 years of discoveries on IL‐33 protein, including its molecular characteristics, nuclear localization, bioactive forms, cellular sources, mechanisms of release and regulation by proteases. Importantly, we emphasize data that have been validated using IL‐33‐deficient cells.

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Metadata

Authors
Cayrol, C., & Girard, J.
Venue
Immunological Reviews
Publisher
Wiley
Published
2017-12-16
Volume
281
Issue
1
Pages
154-168
ISSN
  • 0105-2896 (ISSN-L)
  • 1600-065X
OpenAlex
W2779261498
Cited by
879
References
14
FWCI
4.61
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Interleukin‐33 (IL‐33): A nuclear cytokine from the IL‐1 family. https://app.cochat.ai/papers/10.1111/imr.12619
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Cayrol, C., & Girard, J. (2018). Interleukin‐33 (IL‐33): A nuclear cytokine from the IL‐1 family. Immunological Reviews. https://doi.org/10.1111/imr.12619

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