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GPVI and CLEC-2

Pollitt, A. Y., Hughes, C. E. and Watson, S. P. (2013) GPVI and CLEC-2. In: Michelson, A. D. (ed.) Platelets. 3rd edition. Academic Press, Amsterdam, pp. 215-231. ISBN 9780123878373

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To link to this item DOI: 10.1016/B978-0-12-387837-3.00011-0

Abstract/Summary

The glycoprotein VI (GPVI)-FcR gamma-chain complex initiates powerful activation of platelets by the subendothelial matrix proteins collagen and laminin, which are exposed following vessel damage. Initiation of platelet activation is through an immunoreceptor tyrosine-based activation motif (ITAM). C-type lectin receptor 2 (CLEC-2), following engagement by its endogenous ligand, podoplanin, also mediates powerful platelet activation through Src and Syk kinases, but regulates Syk through a novel dimerization mechanism via a single YxxL motif known as a hemITAM. This chapter compares the signaling pathways of both receptors and their role in hemostasis and thrombosis. Platelets are also increasingly implicated in processes beyond hemostasis and thrombosis. One such process is the efficient separation of the lymphatic and blood vasculatures, which is dependent on CLEC-2-mediated platelet activation.

Item Type:Book or Report Section
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Biomedical Sciences
ID Code:44588
Publisher:Academic Press

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