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HOME > J Pathol Transl Med > Volume 28(3); 1994 > Article
Original Article Effect of Eicosapentaenioc acid and Butyrated hydroxyanisole on Hypercholestrolemic Diet Induced Atherogenesis in Rabbit.
Choong Sik Lee, Jeung Mok Choi, Sung Ki Min, Kyu Sang Song, Dae Young Kang, Kyu Lym
Journal of Pathology and Translational Medicine 1994;28(3):235-245
DOI: https://doi.org/
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1Department of Pathology, Chungnam National University College of Medicine, Kwangju, Korea.
2Department of Biochemistry, Chungnam National University College of Medicine, Kwangju, Korea.

It has been suggested that the fish oil can reduce atherogenesis in humans and animals, and that peroxidation of lipoproteins may be a major factor causing atherosclerotic lesions. We tested these posibilities in rabbits fed an atherogenic diet by comparing the effect of a eicosapentaenoic acid(EPA: a major component of fish oil)supplement and a butyrated hydroxyanisole(BHA: antioxidant)diet supplement. Tweenty-eight young male New Zealand White rabbits were used in this study. The animals were divided by control, cholesterol fed only, cholesterol + EPA, and cholesterol + BHA groups. The experimental course lasted 12 weeks and animals were sacrificed periodically(2, 5, 8, 12weeks)for quantitative studies of aortic atherosclerosis using light and electron microscopy. Plasma cholesterol levels were determined and lipopreteins were separated periodically. The cholesterol fed only group showed an increased serum cholseterol level and atherosclerotic lesions from 5 weeks of experiments. The EPA supplement resulted in similiar serum cholesterol levels with cholesterol fed only group, but greater lesion than cholesterol fed only group. The BHA supplement resulted in higher serum cholesterol levels except VLDL-cholesterol than EPA supplement group. However, the atherosclerotic lesion was not increased. Our studies support the theory that oxidative modification of lipoproteins is important for the atherogenesis and antioxidant may have a protective effect. However, it failed to show antiatherogenesis effect of fish oil.

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