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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-40002

Stämpfli, S F; Akhmedov, A; Gebhard, C; Lohmann, C; Holy, E W; Rozenberg, I; Spescha, R; Shi, Y; Lüscher, T F; Tanner, F C; Camici, G G (2010). Aging induces endothelial dysfunction while sparing arterial thrombosis. Arteriosclerosis, Thrombosis, and Vascular Biology, 30(10):1960-1967.

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Abstract

OBJECTIVE: To assess the effects of aging on arterial thrombus formation by comparing 2-year-old with 11-week-old C57Bl6 mice. METHODS AND RESULTS: Aging is a major risk factor for cardiovascular disease. In humans, assessing the direct effects of aging on vascular homeostasis is difficult because it occurs in the presence of other risk factors. Arterial thrombosis is the critical event in cardiovascular diseases; however, it is not known whether aging per se promotes its occurrence. Mice represent an interesting system to address this issue because they age without spontaneously developing other risk factors. Organ chamber experiments confirmed the advanced level of aging of old mice. As previously shown, old mice exhibited endothelial dysfunction; however, arterial thrombosis induced by photochemical injury was unchanged. Arterial tissue factor expression and activity; expressions of tissue factor pathway inhibitor, thrombomodulin, and plasminogen activator inhibitor 1; prothrombin time; partial thromboplastin time; thrombin-antithrombin complex; and platelet activation were comparable in both groups. CONCLUSIONS: Although these results cannot be directly extrapolated to humans, this study contributes novel important information on the direct effect of aging on arterial thrombosis and underscores the importance of controlling modifiable risk factors in aged individuals.

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9 citations in Web of Science®
8 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology

04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
DDC:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2010
Deposited On:17 Jan 2011 18:07
Last Modified:13 Dec 2013 20:35
Publisher:Lippincott Wiliams & Wilkins
ISSN:1079-5642
Publisher DOI:10.1161/ATVBAHA.110.206920
PubMed ID:20689076

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