期刊
EUROPEAN JOURNAL OF IMMUNOLOGY
卷 42, 期 5, 页码 1093-1096出版社
WILEY-BLACKWELL
DOI: 10.1002/eji.201242549
关键词
Lung inflammation; Innate immunity; Asthma
类别
Type 2 innate lymphoid cells (ILC2s) are members of an ILCfamily, which contains NKcells and Ror?t+ ILCs, the latter including lymphoid tissue inducer (LTi) cells and ILCs producing IL-17 and IL-22. ILC2s are dedicated to the production of IL-5 and IL-13 and, as such, ILC2s provide an early and important source of type 2 cytokines critical for helminth expulsion in the gut. Several studies have also demonstrated a role for ILC2s in airway inflammation. In this issue of the European Journal of Immunology, Klein Wolterink et al. [Eur. J. Immunol. 2012. 42: 1106-1116] show that ILC2s are instrumental in several models of experimental asthma where they significantly contribute to production of IL-5 and IL-13, key cytokines in airway inflammation. This study sheds light over the relative contribution of ILC2s versus T helper type 2 cells (Th2) in type 2 mediated allergen-specific inflammation in the airways as discussed in this commentary.
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