期刊
NATURE COMMUNICATIONS
卷 10, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-08365-0
关键词
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资金
- JSPS KAKENHI [18H02647]
- Riken (Incentive Research Project, FY2017)
- Takeda Science Foundation
- Mochida Memorial Foundation for Medical and Pharmaceutical Research
- Suzuken Memorial Foundation
- Kibou Project 2016 Startup Support for Young Researchers in Immunology
- Grants-in-Aid for Scientific Research [18H02647] Funding Source: KAKEN
Group 2 innate lymphoid cells (ILC2s) have tissue-resident competence and contribute to the pathogenesis of allergic diseases. However, the mechanisms regulating prolonged ILC2-mediated T(H)2 cytokine production under chronic inflammatory conditions are unclear. Here we show that, at homeostasis, Runx deficiency induces excessive ILC2 activation due to overly active GATA-3 functions. By contrast, during allergic inflammation, the absence of Runx impairs the ability of ILC2s to proliferate and produce effector T(H)2 cytokines and chemokines. Instead, functional deletion of Runx induces the expression of exhaustion markers, such as IL-10 and TIGIT, on ILC2s. Finally, these ` exhausted-like' ILC2s are unable to induce type 2 immune responses to repeated allergen exposures. Thus, Runx confers competence for sustained ILC2 activity at the mucosa, and contributes to allergic pathogenesis.
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