Signaling-mediated cooperativity between glycoprotein Ib-IX and protease-activated receptors in thrombin-induced platelet activation

Author:

Estevez Brian1,Kim Kyungho1,Delaney M. Keegan1,Stojanovic-Terpo Aleksandra1,Shen Bo1,Ruan Changgeng2,Cho Jaehyung1,Ruggeri Zaverio M.3,Du Xiaoping1

Affiliation:

1. Department of Pharmacology, University of Illinois at Chicago College of Medicine, Chicago, IL;

2. Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China; and

3. Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA

Abstract

Key Points GPIb-IX signaling cooperates with PAR signaling to promote platelet response to low concentrations of thrombin, which are important in vivo. Thrombin induces a GPIb-IX–specific signaling pathway that requires the cytoplasmic domain of GPIbα, 14-3-3 protein, Rac1, and LIMK1.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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