Cell · 2019
GDF15 Is an Inflammation-Induced Central Mediator of Tissue Tolerance.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Luan Harding H, Wang Andrew, Hilliard Brandon K, Carvalho Fernando, Rosen Connor E, Ahasic Amy M, Herzog Erica L, Kang Insoo, Pisani Margaret A, Yu Shuang, Zhang Cuiling, Ring Aaron M, Young Lawrence H, Medzhitov Ruslan
Аннотация
Growth and differentiation factor 15 (GDF15) is an inflammation-associated hormone with poorly defined biology. Here, we investigated the role of GDF15 in bacterial and viral infections. We found that inflammation induced GDF15, and that GDF15 was necessary for surviving both bacterial and viral infections, as well as sepsis. The protective effects of GDF15 were largely independent of pathogen control or the magnitude of inflammatory response, suggesting a role in disease tolerance. Indeed, we found that GDF15 was required for hepatic sympathetic outflow and triglyceride metabolism. Failure to defend the lower limit of plasma triglyceride levels was associated with impaired cardiac function and maintenance of body temperature, effects that could be rescued by exogenous administration of lipids. Together, we show that GDF15 coordinates tolerance to inflammatory damage through regulation of triglyceride metabolism.