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Effects of Dietary Fish Oil Lipids on Allergic and Inflammatory Diseases

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Abstract:

Fish oil is rich in the polyunsaturated N-3 fatty acids, eicosapentaenoic (EPA) and docosahexaenoic acids (DCHA). EPA competes with arachidonic acid (AA) for metabolism by the cyclooxygenase and lipoxygenase pathways. Selective metabolites derived from EPA have reduced biological activities as compared with the AA-derived counterparts. Dietary supplementation with EPA led to incorporation of EPA into membrane phospholipids, an inhibition of 5-lipoxygenase pathway activity, and a reduction of the elaboration of platelet-activating factor. Neutrophil chemotaxis and the capacity of these cells to adhere to endothelial cells are substantially attenuated. This suggests that EPA has anti-inflammatory potential. Clinical trials in rheumatoid arthritis, psoriasis, atopic dermatitis, and bronchial asthma have shown beneficial effects. Whether the benefit obtained clinically is sufficient to replace or significantly reduce any clinical condition remains to be answered.

Document Type: Research Article

DOI: http://dx.doi.org/10.2500/108854191778879070

Publication date: September 1, 1991

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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