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Vasc Health Risk Manag. 2007;3(1):125-37.

Role of the vasodilator peptide angiotensin-(1-7) in cardiovascular drug therapy.

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Institute of Clinical Pharmacology, Medical Faculty, Technical University of Dresden, Dresden, Germany.


The renin-angiotensin-system (RAS) is a cascade of enzymatic reactions resulting ultimately in the formation of angiotensin II. Recent research has expanded the knowledge about the RAS by adding new components to the pathways: angiotensin-(1-5) [Ang-1-5], angiotensin-(1-7) [Ang-(1-7)], angiotensin-(1-9) [Ang-(1-9)], an ACE homologous enzyme, ACE2, and the G-protein-coupled receptor mas as a molecular receptor for Ang-(1-7). Although previous studies provided some conflicting evidence about the relevance of Ang-(1-7) in the regulation of vascular and renal function, data now demonstrate that Ang-(1-7) contributes to the cardiovascular effects of ACE-inhibitors (ACE-1) and AT1-receptor-blockers (ARBs) both in experimental conditions and in humans. This review summarizes and critically discusses the currently available experimental and clinical study evidence for the role of Ang-(1-7) as a vasodilator and anti-trophic peptide in cardiovascular drug therapy. In addition, the potential therapeutic impact of currently available RAS blocking agents (ACE-1 and ARBs) and new agents still under development (renin-inhibitors) on the RAS-effector peptides is highlighted.

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