Myosin IIa is critical for cAMP-mediated endothelial secretion of von Willebrand factor

Author:

Li Pin1,Wei Guoqin1,Cao Yang1,Deng Qiuping1,Han Xiaofan1,Huang Xiaoshuai2,Huo Yingqing1,He Yulong3,Chen Liangyi2,Luo Jincai1

Affiliation:

1. Laboratory of Vascular Biology, Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing, China;

2. The State Key Laboratory of Biomembrane and Membrane Biotechnology, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, Peking University, Beijing, China; and

3. Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China

Abstract

Key Points Myosin IIa is required for cAMP-mediated endothelial VWF secretion critical for hemostasis and thrombosis. Myosin IIa regulates mature WPB positioning and facilitates WPB exocytosis via zyxin-mediated actin framework formation before fusion.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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