Platelet GPVI (Glycoprotein VI) and Thrombotic Complications in the Venous System

Author:

Perrella Gina12ORCID,Nagy Magdolna1ORCID,Watson Steve P.23ORCID,Heemskerk Johan W.M.14ORCID

Affiliation:

1. Department of Biochemistry, CARIM, Maastricht University, The Netherlands (G.P., M.N., J.W.M.H.).

2. Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, United Kingdom (G.P., S.P.W.).

3. COMPARE, Universities of Birmingham and Nottingham, The Midlands, United Kingdom (S.P.W.).

4. Now with Synapse Research Institute, Maastricht, the Netherlands (J.W.M.H.).

Abstract

The immunoglobulin receptor GPVI (glycoprotein VI) is selectively expressed on megakaryocytes and platelets and is currently recognized as a receptor for not only collagen but also a variety of plasma and vascular proteins, including fibrin, fibrinogen, laminin, fibronectin, and galectin-3. Deficiency of GPVI is protective in mouse models of experimental thrombosis, pulmonary thromboembolism as well as in thromboinflammation, suggesting a role of GPVI in arterial and venous thrombus formation. In humans, platelet GPVI deficiency is associated with a mild bleeding phenotype, whereas a common variant rs1613662 in the GP6 gene is considered a risk factor for venous thromboembolism. However, preclinical studies on the inhibition of GPVI-ligand interactions are focused on arterial thrombotic complications. In this review we discuss the emerging evidence for GPVI in venous thrombus formation and leukocyte-dependent thromboinflammation, extending to venous thromboembolism, pulmonary thromboembolism, and cancer metastasis. We also recapitulate indications for circulating soluble GPVI as a biomarker of thrombosis-related complications. Collectively, we conclude that the current evidence suggests that platelet GPVI is also a suitable cotarget in the prevention of venous thrombosis due to its role in thrombus consolidation and platelet-leukocyte complex formation. Graphic Abstract: A graphic abstract is available for this article.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Cardiology and Cardiovascular Medicine

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