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Vascular endothelium and platelet preparations for the prediction of xenobiotic effects on the vascular system.

Platelets and vascular cells play a fundamental role in the pathogenesis of cardiovascular diseases including thrombus formation and atherosclerotic phenomena. Preparations of platelets and aortic rings have been developed to study the potential of xenobiotics to produce evidence of vascular toxicity in vitro. The xenobiotics cadmium and mercury which exert vascular toxicity in vivo, modify platelet and endothelial-cell reactivity in these in vitro systems.