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Aging health. 2008 Feb 1;4(1):37-46.

Role of the renin-angiotensin system in age-related sarcopenia and diastolic dysfunction.

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  • 1University of Florida, Department of Aging & Geriatric Research, 1329 SW 16th Street, Room 5274, PO Box 100143, Gainesville, FL 32610-0143, USA, Tel.: +1 352 273 5727;

Abstract

The purpose of this review is to describe how recent pharmacological and genetic studies have contributed to our understanding of the role of the renin-angiotensin system (RAS) in age-related sarcopenia and diastolic dysfunction. Treatment strategies are limited in the context of both of these conditions, although interventions, which include blockade of the RAS (using angiotensin-converting enzyme inhibitors and angiotensin-receptor blockers) are successful and lead to improvements in functional outcomes that are not necessarily mediated by hemodynamic effects of the drugs. Studies in animal models of sarcopenia and diastolic dysfunction point to ubiquitous effects of RAS blockade on multiple biological mechanisms, including inflammation, oxidative damage and metabolic dysregulation. Therefore, a re-evaluation of the use of these drugs in other conditions should be considered for maintaining functional independence in older individuals.

PMID:
20445808
PMCID:
PMC2863036
DOI:
10.2217/1745509X.4.1.37
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