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Delli Gatti, C; Osto, E; Kouroedov, A; Eto, M; Shaw, S; Volpe, M; Lüscher, T F; Cosentino, F (2008). Pulsatile stretch induces release of angiotensin II and oxidative stress in human endothelial cells: effects of ACE inhibition and AT1 receptor antagonism. Clinical and Experimental Hypertension, 30(7):616-627.

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Mechanical forces and the activation of the renin-angiotensin system (RAS) may alter the NO/O2(*-) balance, imparing endothelial nitric oxide (NO) availability. This study investigates the link between RAS and NO/O2(*-) balance in human aortic endothelial cells (HAEC) exposed to pulsatile stretch with and without ACE inhibitor quinaprilat or angiotensin II type 1 (AT(1)) receptor antagonist losartan. Pulsatile stretch increased Ang II levels and O2(*-) production, reducing NO release. RAS blockade with quinaprilat or losartan restored the balance between NO and O2(*-). These results provide a molecular basis for understanding the vascular protective effects of ACE inhibition and AT(1) receptor antagonism.


15 citations in Web of Science®
22 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
Dewey Decimal Classification:610 Medicine & health
Date:October 2008
Deposited On:03 Feb 2009 11:56
Last Modified:05 Apr 2016 12:55
Publisher:Taylor & Francis
Publisher DOI:10.1080/10641960802443183
PubMed ID:18855265

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