期刊
CYTOKINE
卷 74, 期 1, 页码 62-68出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cyto.2014.12.024
关键词
IL6; gp130; Trans-signaling; Heart failure; Myocarditis
资金
- National Institutes of Health/National Heart, Lung and Blood Institute (NIH/NHLBI) [R01HL113008, R01HL118183]
IL6 is a pleiotropic cytokine that is made in response to perturbations in homeostasis. IL6 becomes elevated in the acute response to host injury and can activate immune cells, direct immune cell trafficking, signal protective responses in local tissue, initial the acute phase response or initiate wound healing. In the short term this proinflammatory response is protective and limits host damage. It is when this acute response remains chronically activated that IL6 becomes pathogenic to the host. Chronically elevated IL6 levels lead to chronic inflammation and fibrotic disorders. The heart is a tissue where this temporal regulation of IL6 is very apparent. Studies from myocardial infarction show how short-term IL6 signaling can protect and preserve the heart tissue in response to acute damage, where long term IL6 signaling or an over-production of IL6R protein plays a causal role in cardiovascular disease. Thus, 16 can be both protective and pathogenic, depending on the kinetics of the host response. (C) 2015 Elsevier Ltd. All rights reserved.
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