Abstract
We examined the influence of stable prostacyclin analogues (carbacyclin) and thromboxane A2 (U46619) on atherosclerotic properties of cells: [3H]thymidine incorporation and intracellular cholesterol content. A primary culture of human aortic subendothelial cells derived from atherosclerotic plaques was used. Carbacyclin exerted a direct anti-atherosclerotic effect, significantly reducing atherosclerotic manifestations of cells, while agent U46619 stimulated proliferation and cholesterol accumulation, i.e. demonstrated atherogenic potency in culture. Calcium antagonists (verapamil and diltiazem) markedly enhanced anti-atherosclerotic properties of carbacyclin and restricted the atherogenicity of U46619.
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