• Prostaglandins Leukot. Essent. Fatty Acids · Jan 2008

    Review

    Preferential enrichment of liver phospholipids in docosahexaenoate relative to eicosapentaenoate in omega-3-depleted rats injected with a medium-chain triglyceride: fish oil emulsion.

    • Sébastien Peltier, Laurence Portois, Willy J Malaisse, and Yvon A Carpentier.
    • Laboratory of Experimental Surgery, Brussels Free University, 808 Route de Lennik, Brussels, Belgium.
    • Prostaglandins Leukot. Essent. Fatty Acids. 2008 Jan 1; 78 (1): 27-32.

    AbstractThe bolus intravenous injection of a novel medium-chain triglyceride:fish oil (FO) emulsion was recently proposed as a tool to provoke a rapid enrichment of cell phospholipids in long-chain polyunsaturated omega-3 fatty acids. In the present study, the enrichment of liver phospholipids and triglycerides in C20:5omega-3, C22:5omega-3 and C22:6omega-3 was assessed 60min after the intravenous administration of FO (1.0ml) to second-generation omega-3-depleted rats. When compared to uninjected rats, or animals injected with a control omega-3 fatty acid-poor medium-chain triglyceride:olive oil (OO) emulsion, the enrichment of liver phospholipids, and to a lesser extent liver triglycerides, attributable to the injection of the FO emulsion was more pronounced for C22:6omega-3 than C20:5omega-3, despite the presence of equal amounts of these two omega-3 fatty acids in the injected diglycerides and triglycerides. The possible determinants and potential beneficial effects of such a difference are briefly discussed.

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