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Main » 2009 » September » 17 » Effects of fish oil on cytokines and immune functions of mice with murine AIDS
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Effects of fish oil on cytokines and immune functions of mice with murine AIDS
Effects of fish oil on cytokines and immune functions of mice with murine AIDS

Side Xi,* Donald Cohen,† and Linda H. Chen1,*,§

Nutritional Sciences Program,* Departments of Microbiology and Immunology,† and Nutrition and Food Science,§  University of Kentucky, Lexington, KY 40506-0054
Journal of Lipid Research, Volume 39, 1998

Abstract

The effects of fish oil, which is rich in n–3 fatty acids, on cytokine levels in a murine model of acquired immune deficiency syndrome (AIDS) were studied. Thirty-two C57BL/6 female mice were divided into two dietary groups and fed either a corn oil diet or a fish oil diet. After 4 weeks, each diet group was further divided into two subgroups, and mice in one subgroup were injected i.p. with LP-BM5 murine retrovirus (MAIDS) stock. After 4 weeks, all mice were killed, blood samples were collected, and the spleens and the livers were excised. Splenocytes were isolated immediately and cultured in RPMI-1640 medium and stimulated by either lipopolysaccharide (LPS) or Concanavalin A (ConA) for 24 h. The supernatant was collected for cytokine assays. The results showed that MAIDS infection increased the levels of tumor necrosis factor-) and interleukin-1-beta (IL-1), while fish oil partially prevented this elevation. MAIDS infection depressed interleukin2 (IL-2) and interferon-gamma (IFNb), while fish oil partially prevented the depression of IL-2. In addition, MAIDS infection depressed LPS- and ConA-stimulated cell proliferation, while fish oil partially prevented the depression. The results suggest that fish oil may slow down the progression of murine AIDS by modulating levels of cytokines including TNF-a, IL-1ß, and IL-2.-Xi, S., D. Cohen, and L. H. Cohen. Effects of fish oil on cytokines and immune functions of mice with murine AIDS. J. Lipid Res.1 998  39: 1677–1687.
 
Supplementary key words fish oil, TNFa, IL-1ß, IL-2, IFNÿ, LTB4, arachidonic acid

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Category: JOURNAL | Views: 432 | Added by: anis | Tags: TNFa, LTB4, IL-1ß, fish oil, arachidonic acid, IL-2, IFNÿ | Rating: 0.0/0
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