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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2017 ; 114 (11): 2964-9 Nephropedia Template TP
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Receptor-interacting protein kinase 3 promotes platelet activation and thrombosis #MMPMID28242694
Zhang Y; Zhang J; Yan R; Tian J; Zhang Y; Zhang J; Chen M; Cui Q; Zhao L; Hu R; Jiang M; Li Z; Ruan C; He S; Dai K
Proc Natl Acad Sci U S A 2017[Mar]; 114 (11): 2964-9 PMID28242694show ga
Receptor-interacting protein kinase 3 (RIP3) is involved in many important biological processes such as necroptosis, apoptosis, and inflammation. Here, using RIP3-knockout mice, we show that RIP3 is essential for in vivo thrombosis and hemostasis. Mice lacking RIP3 exhibited prolonged tail-bleeding times and reduced arterial thrombus formation. We demonstrate that RIP3, expressed in platelets and interacting with G?13, promotes platelet aggregation, secretion, spreading on fibrinogen, and clot retraction. RIP3 inhibitor dose-dependently inhibits platelet aggregation and prevents arterial thrombus formation. Our findings indicate a role for RIP3 in promoting in vivo thrombosis and hemostasis by amplifying platelet activation. RIP3 may represent a novel therapeutic target for thrombotic diseases.