Journal
TRENDS IN CARDIOVASCULAR MEDICINE
Volume 12, Issue 4, Pages 149-154Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/S1050-1738(02)00153-6
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Protease-activated receptors (PARs) are vascular sensors for signaling of the trypsinlike coagulation serine proteases that play key roles in card diovascular medicine. In the initiation phase of coagulation, tissue factor (TF) orchestrates the assembly of VIIa with substrate X, forming a ternary complex in which product Xa is generated. The resulting TF-VIIa-Xa complex is an efficient activator of PAR1 and PAR2. TF initiation of the coagulation cascade is thus intimately linked to inflammatory cell signaling. Inflammation is an increasingly appreciated component of the vulnerable atherosclerotic plaque. Targeting inflammatory cell signaling events of the coagulation system may become an important aspect of efforts to improve antithrombotic therapy. (C) 2002, Elsevier Science Inc.
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