The chaperone protein HSP47: a platelet collagen binding protein that contributes to thrombosis and hemostasis

P. Sasikumar,K. S. AlOuda,W. Kaiser,L. Holbrook,N. Kriek,A. Unsworth,A. Bye,T. Sage,R. Ushioda,K. Nagata,R. Farndale,J. Gibbins

Published 2018 in Journal of Thrombosis and Haemostasis

ABSTRACT

Essentials Heat shock protein 47 (HSP47), a collagen specific chaperone is present on the platelet surface. Collagen mediated platelet function was reduced following blockade or deletion of HSP47. GPVI receptor regulated signalling was reduced in HSP47 deficient platelets. Platelet HSP47 tethers to exposed collagen thus modulating thrombosis and hemostasis.

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