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. 1982 Aug;79(16):5076–5079. doi: 10.1073/pnas.79.16.5076

Platelet adhesion to damaged coronary arteries: Comparison in normal and von Willebrand disease swine.

R L Reddick, T R Griggs, M A Lamb, K M Brinkhous
PMCID: PMC346830  PMID: 6981817

Abstract

The early response to coronary artery injury was investigated in normal swine and in swine with von Willebrand disease (vWD). Thirty minutes after coronary endothelial denudation, a monolayer of platelets was adherent to areas of simple injury in both bleeder and normal swine. The number of adherent platelets was not significantly different in the two phenotypes. Injury involving the media of the vessel produced platelet-fibrin thrombi. Platelet activation, as judged by pseudopod formation and platelet spreading over areas of simple injury, was significantly less in bleeder animals than in normal animals. These studies suggest that chemotaxis and initial contact adhesion of platelets to injured arterial wall is independent of the von Willebrand factor. On the other hand, the spreading and activation of platelets on the subendothelium appear to be dependent on the presence of plasma von Willebrand factor. Through this mechanism von Willebrand factor may contribute to arterial thrombosis and atherogenesis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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