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Role of endothelin in the cardiovascular system.

机译:内皮素在心血管系统中的作用。

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摘要

The endothelin (ET) system consists of three peptide ligands (ET-1, ET-2 and ET-3) and two G-protein-coupled receptors, ET(A) and ET(B). In the cardiovascular system, ETs, particularly ET-1, are expressed in smooth muscle cells, cardiomyocytes, fibroblasts, and notably in vascular endothelial cells. Intense research over the last 10 years has changed the original view of ET-1 as mainly a vasoconstrictor regulating blood pressure, into a biological factor regulating processes such as vascular remodeling, angiogenesis or extracellular matrix synthesis. The advent of specific (and type-selective) ET receptor antagonists has greatly fostered our knowledge of the biological function of ET-1, and has offered a potential therapeutic approach for numerous diseases including hypertension, atherosclerosis or fibrosis. In this article, we review the regulation of the expression of vascular ET-1, as well as the contribution of ET-1 to endothelial, smooth muscle and fibroblast cell function, with particular interest in the role of ET-1 in the development of cardiovascular diseases.
机译:内皮素(ET)系统由三个肽配体(ET-1,ET-2和ET-3)和两个G蛋白偶联受体ET(A)和ET(B)组成。在心血管系统中,ET,尤其是ET-1,在平滑肌细胞,心肌细胞,成纤维细胞中表达,特别是在血管内皮细胞中表达。过去10年的大量研究已将ET-1最初的观点(主要是调节血压的血管收缩剂)改变为调节诸如血管重塑,血管生成或细胞外基质合成等过程的生物因子。特定(和类型选择)ET受体拮抗剂的出现极大地增进了我们对ET-1生物学功能的了解,并为包括高血压,动脉粥样硬化或纤维化在内的多种疾病提供了潜在的治疗方法。在本文中,我们回顾了血管ET-1表达的调节以及ET-1对内皮,平滑肌和成纤维细胞功能的贡献,特别关注ET-1在血管内皮细胞的发展中的作用。心血管疾病。

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