期刊
SEMINARS IN IMMUNOLOGY
卷 25, 期 6, 页码 416-424出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.smim.2013.10.018
关键词
Interleukin-1 beta; Innate inflammation; Autophagy; Caspase-1-independent
类别
资金
- Dutch Arthritis Foundatiion [NR 10-1-303]
- NIH [AI 15614]
Although IL-1 beta is the master inflammatory cytokine in the IL-1 family, after more than ten years of continuous breeding, mice deficient in IL-1 beta exhibit no spontaneous disease. Therefore, one concludes that IL-1 beta is not needed for homeostasis. However, IL-1 beta-deficient mice are protected against local and systemic inflammation due to live infections, autoimmune processes, tumor metastasis and even chemical carcinogenesis. Based on a large number of preclinical studies, blocking IL-1 beta activity in humans with a broad spectrum of inflammatory conditions has reduced disease severity and for many, has lifted the burden of disease. Rare and common diseases are controlled by blocking IL-1 beta. Immunologically, IL-1 beta is a natural adjuvant for responses to antigen. Alone, IL-1 beta is not a growth factor for lymphocytes; rather in antigen activated immunocompetent cells, blocking IL-1 reduces IL-17 production. IL-1 beta markedly increases in the expansion of naive and memory CD4T cells in response to challenge with their cognate antigen. The response occurs when only specific CD4T cells respond to IL-1 beta and not to IL-6 or CD-28. A role for autophagy in production of IL-1 beta has emerged with deletion of the autophagy gene ATG16L1. Macrophages from ATG16L1-deficient mice produce higher levels of IL-1 beta after stimulation with TLR4 ligands via a mechanism of caspase-1 activation. The implications for increased IL-1 beta release in persons with defective autophagy may have clinical importance for disease. (C) 2013 Published by Elsevier Ltd.
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