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  • Title: [Effects of dietary n-3 polyunsaturated fatty acid on lipid metabolism in rats under simulated weightlessness].
    Author: Wang L, Bai SM, Huang JM, Shi JP.
    Journal: Space Med Med Eng (Beijing); 2002 Oct; 15(5):347-50. PubMed ID: 12449140.
    Abstract:
    Objective. To study the effect of dietary n-3 polyunsaturated fatty acid (PUFA) on the lipid metabolism of tail-suspended rats. Method. 49 male Sprague-Dawley rats were divided into five groups: tail-suspension group I, fed with 10 wt % corn oil, tail-suspension groups II, III, IV were fed with three levels of fish oil (0.5, 1.5 or 3.0 wt %; low, middle and high level of fish oil, respectively). Group V fed with 10 wt % corn oil served as normal control. Result. Viscoelasticity of cell membrane in group III was significantly higher than that of group I (P<0.01); Vascular endothelial cells (VEC) was less in group II compared to group I; Serum total cholesterol (TC) and triglyceride (TG) , serum lipoprotein were lower in groups II, III, IV compared to group I, the higher fish oil content in diet, the lower serum lipid concentration in microgravity. Conclusion. Dietary n-3 PUFA do have distinguished effect on lipid metabolism and n-3 PUFA have certain effects on prevention of atherosclerotic disease and coronary heart disease in rats.
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