期刊
CURRENT OPINION IN INFECTIOUS DISEASES
卷 24, 期 3, 页码 273-278出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/QCO.0b013e328344c078
关键词
activated protein C; coagulation; inflammation; protease activated receptors; tissue factor
资金
- Netherlands Asthma Foundation [3.2.08.009]
Purpose of review In infection, inflammation is frequently accompanied by a disturbance of the normal hemostatic balance provided by procoagulant and anticoagulant mechanisms. This review summarizes recently acquired knowledge on the bimodal interactions between coagulation and inflammation in infection. Recent findings Infection elicits inflammation-induced coagulation via tissue factor. A net procoagulant state is further produced by impaired functioning of anticoagulant mechanisms among which is the protein C system. Protease activated receptors (PARs) form the molecular link between coagulation and inflammation. PAR1 mediates both detrimental (induced by thrombin) and protective (induced by activated protein C) cellular effects. Activated protein C protects against mortality in experimental endotoxemia and sepsis by effects that rely on PAR1, not on the anticoagulant properties of this protein. Summary Recent data provide new insights into how inflammation impacts on coagulation and vice versa, identifying crucial roles for PARs. This knowledge may assist in designing novel interventions targeted at the perpetuation of inflammation by mediators traditionally implicated in coagulation.
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