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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59867

Holy, E W; Forestier, M; Richter, E K; Akhmedov, A; Leiber, F; Camici, G G; Mocharla, P; Lüscher, T F; Beer, J H; Tanner, F C (2011). Dietary α-linolenic acid inhibits arterial thrombus formation, tissue factor expression, and platelet activation. Arteriosclerosis, Thrombosis, and Vascular Biology, 31(8):1772-1180.

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Plant-derived α-linolenic acid (ALA) may constitute an attractive cardioprotective alternative to fish-derived n-3 fatty acids. However, the effect of dietary ALA on arterial thrombus formation remains unknown.

Male C57Bl/6 mice were fed a high-ALA or low-ALA diet for 2 weeks. Arterial thrombus formation was delayed in mice fed a high-ALA diet compared with those on a low-ALA diet (n=7; P<0.005). Dietary ALA impaired platelet aggregation to collagen and thrombin (n=5; P<0.005) and decreased p38 mitogen-activated protein kinase activation in platelets. Dietary ALA impaired arterial tissue factor (TF) expression, TF activity, and nuclear factor-κB activity (n=7; P<0.05); plasma clotting times and plasma thrombin generation did not differ (n=5; P=not significant). In cultured human vascular smooth muscle and endothelial cells, ALA inhibited TF expression and activity (n=4; P<0.01). Inhibition of TF expression occurred at the transcriptional level via the mitogen-activated protein kinase p38 in smooth muscle cells and p38, extracellular signal-regulated kinases 1 and 2, and c-Jun N-terminal kinases 1 and 2 in endothelial cells.

ALA impairs arterial thrombus formation, TF expression, and platelet activation and thereby represents an attractive nutritional intervention with direct dual antithrombotic effects.


25 citations in Web of Science®
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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
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:August 2011
Deposited On:25 Feb 2012 16:52
Last Modified:05 Apr 2016 15:39
Publisher:American Heart Association
Additional Information:This is an un-copyedited author manuscript that was accepted for publication in Arteriosclerosis, Thrombosis, and Vascular Biology, copyright The American Heart Association. This may not be duplicated or reproduced, other than for personal use or within the Fair Use of Copyrighted Materials (section 107, title 17, U.S. Code) without prior permission of the copyright owner, The American Heart Association. The final copyedited article, which is the version of record, can be found at (insert journal URL). The American Heart Association disclaims any responsibility or liability for errors or omissions in this version of the manuscript or in any version derived from it by the National Institutes of Health or other parties.
Publisher DOI:10.1161/ATVBAHA.111.226118
PubMed ID:21571683

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