Selenium supplementation protects from high fat diet-induced atherogenesis in rats: role of mitogen stimulated lymphocytes and macrophage NO production.
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2001-08-23
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The present study was designed to demonstrate the involvement of immune response in experimental atherogenesis. The mitogenic stimulation of lymphocytes and NO production by macrophages in experimental atherogenesis were studied. Further, influence of selenium a potent antioxidant was also studied in the disease process. Three different treatment groups of rats undertaken for study were: group 1, control; group II, high fat diet (HFD) fed group and group III, HFD+Se supplemented group. Atherogenic conditions induced have already been explained earlier [Kang BPS et al. Gen Physiol Biophys, 17 (1998) 71]. Significant increase in 3H-thymidine incorporation was obtained in lymphocytes from HFD fed animals in both presence and absence of mitogen (Con-A). However, these values decreased in group III animals, which were supplemented with selenium. Similarly, NO levels with LPS+ and LPS- macrophages also found to be higher in HFD fed group and decreased in group III. These studies reveal the protective role of selenium in HFD-induced atherogenic process.
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Kang BP, Mehta U, Bansal MP. Selenium supplementation protects from high fat diet-induced atherogenesis in rats: role of mitogen stimulated lymphocytes and macrophage NO production. Indian Journal of Experimental Biology. 2001 Aug; 39(8): 793-7