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Article Publish Status: FREE
Abstract Title:

Omega-3 polyunsaturated fatty acids and oxygenated metabolism in atherothrombosis.

Abstract Source:

Biochim Biophys Acta. 2015 Apr ;1851(4):485-95. Epub 2014 Sep 28. PMID: 25263947

Abstract Author(s):

Michel Guichardant, Catherine Calzada, Nathalie Bernoud-Hubac, Michel Lagarde, Evelyne Véricel

Article Affiliation:

Michel Guichardant

Abstract:

Numerous epidemiological studies and clinical trials have reported the health benefits of omega-3 polyunsaturated fatty acids (PUFA), including a lower risk of coronary heart diseases. This review mainly focuses on the effects of alpha-linolenic (ALA), eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids on some risk factors associated with atherothrombosis, including platelet activation, plasma lipid concentrations and oxidative modification of low-density lipoproteins (LDL). Special focus is given to the effects of marine PUFA on the formation of eicosanoids and docosanoids, and to the bioactive properties of some oxygenated metabolites of omega-3 PUFA produced by cyclooxygenases and lipoxygenases. The antioxidant effects of marine omega-3 PUFA at low concentrations and the pro-oxidant effects of DHA at high concentrations on the redox status of platelets and LDL are highlighted. Non enzymatic peroxidation end-products deriving from omega-3 PUFA such as hydroxy-hexenals, neuroketals and EPA-derived isoprostanes are also considered in relation to atherosclerosis. This article is part of a Special Issue entitled"Oxygenated metabolism of PUFA: analysis and biological relevance".

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