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The interaction between endothelin-1 and nitric oxide in the vasculature: new perspectives.

机译:内皮素-1与一氧化氮在脉管系统中的相互作用:新观点。

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摘要

Nitric oxide (NO) and endothelin-1 (ET-1) are natural counterparts in vascular function, and it is becoming increasingly clear that an imbalance between these two mediators is a characteristic of endothelial dysfunction and is important in the progression of vascular disease. Here, we review classical and more recent data that suggest that ET-1 should be regarded as an essential component of NO signaling. In particular, we review evidence of the role of ET-1 in models of acute and chronic NO synthase blockade. Furthermore, we discuss the possible mechanisms by which NO modulates ET-1 activity. On the basis of these studies, we suggest that NO tonically inhibits ET-1 function, and in conditions of diminished NO bioavailability, the deleterious effects of unmitigated ET-1 actions result in vasoconstriction and eventually lead to vascular remodeling and dysfunction.
机译:一氧化氮(NO)和内皮素1(ET-1)是血管功能的天然对应物,并且越来越清楚的是,这两种介体之间的失衡是内皮功能障碍的特征,并且在血管疾病的进展中很重要。在这里,我们回顾了经典的和最近的数据,这些数据表明ET-1应该被视为NO信号的重要组成部分。特别是,我们回顾了ET-1在急性和慢性NO合酶阻滞模型中的作用的证据。此外,我们讨论了NO调节ET-1活性的可能机制。在这些研究的基础上,我们建议NO会抑制ET-1的功能,并且在NO生物利用度降低的情况下,未减轻的ET-1行为的有害作用会导致血管收缩,最终导致血管重塑和功能障碍。

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