Investigation of shear-sensitive signalling pathways in human platelets

Funded Activity Summary

Platelets are extremely important cells that control bleeding by sticking to injured blood vessels to form a blood clot. Excessive clotting can lead to fatal vascular events such as heart attacks and strokes. On the other hand, defects in blood clotting can result in life threatening bleeding problems. Platelets stick to the wall of a blood vessel when receptors on the surface of these cells interact with materials (ligands) that are exposed when the vessel wall is injured. The stickiness or adhesive behaviour of platelets is controlled by many proteins (enzymes) which are contained inside these cells. These enzymes transmit messages from platelet receptors on the surface into the cell interior, thereby controlling platelet behaviour. We are in the process of identifying several types of enzymes which are responsible for controlling platelet stickiness. Our research will provide a better understanding of the complicated pathways regulating platelet stickiness and clot formation. The knowledge gained from these studies may ultimately asssist in the design of specific drugs for the prevention and-or treatment of heart attacks and strokes.

Funded Activity Details

Start Date: 01-01-2001

End Date: 01-01-2003

Funding Scheme: NHMRC Project Grants

Funding Amount: $196,527.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Haematology

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

Calcium mobilisation | Cardiovascular disease | Glycoprotein Ib/V/IX | Haemostasis | Integrin alpha IIb beta 3 | Platelet adhesion under flow | Thrombosis | von Willebrand factor

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