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Phosphatidylcholine (PC)-derived choline exhibits anti-inflammatory properties in stress conditions. Phosphatidylethanolamine (PE) and N-acylphosphatidylethanolamines (NAPEs) are endogenous bioactive phospholipids linked to the PC and endocannabinoid metabolisms. We hypothesized that an increased dietary input of PC, PE and NAPE may interfere with leukocyte reactions and thus decreases the inflammatory activation. CFLP mice were fed with a control diet or with a diet supplemented with 1% PC, 0.4% PE and 0.1% NAPE for 7 days before the induction of pleurisy with carrageenan. Pleural leukocyte migration, pulmonary mast cell degranulation (Alcian blue-safranin O staining), and the activities of inducible nitric oxide synthase, xanthine oxidoreductase and myeloperoxidase were determined in lung tissue biopsies. The carrageenan-induced inflammatory response was characterized by pulmonary leukocyte infiltration, mast cell degranulation and significantly increased inducible nitric oxide synthase and xanthine oxidoreductase activities (by 82 and 60%, respectively). Treatment of mice with acetylsalicylic acid or with dietary PC + PE + NAPE supplementation significantly decreased the leukocyte reaction, and suppressed the activity of the pulmonary proinflammatory enzymes. This study confirms a potential for dietary PC + PE + NAPE supplementation to influence events crucial for the remission of acute inflammation. PC + PE + NAPE administration could possibly be a novel preventive or pharmacotherapeutic option in inflammatory pathologies. (c) 2008 S. Karger AG, Basel.


G Eros, G Varga, R Váradi, M Czóbel, J Kaszaki, M Ghyczy, M Boros. Anti-inflammatory action of a phosphatidylcholine, phosphatidylethanolamine and N-acylphosphatidylethanolamine-enriched diet in carrageenan-induced pleurisy. European surgical research. Europäische chirurgische Forschung. Recherches chirurgicales européennes. 2009;42(1):40-8

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PMID: 18987473

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