SEROTONERGIC ANTAGONISTS AND VASCULAR-DISEASE

被引:20
作者
VANHOUTTE, PM
机构
[1] Baylor College of Medicine, Houston, TX
关键词
adrenergic nerves; atherosclerosis; endothelium; endothelium-derived contracting factor; endothelium-derived relaxing factor; hypertension; regenerated endothelium; serotonin;
D O I
10.1007/BF00053420
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
5-Hydroxytryptamine (serotonin) can evoke both contraction and relaxation of vascular smooth muscle. In disease, the constrictor component of the response to the monoamine appears to dominate. 5HT2-serotonergicantagonists favor dilatation, not only because they block the activating effect of serotonin on vascular smooth muscle, but also because they unmask the (endothelium-dependent) relaxation to the monoamine and brake the amplifying effect that it exerts on platelet aggregation. These properties of serotonergic antagonists help to explain their protective effects in vascular disease. © 1990 Kluwer Academic Publishers.
引用
收藏
页码:7 / 12
页数:6
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