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Albumin is supposed to be the major antioxidant circulating in blood. This study examined the prevention of membrane lipid peroxidation by bovine serum albumin (BSA). Lipid peroxidation was induced by the exposing of enzymatically generated superoxide radicals to egg yolk phosphatidylcholine liposomes incorporating lipids with different charges in the presence of chelated iron catalysts. We used three...
Oxidative stress is believed to be involved in cataract development. The protective effect of the xanthomatine derivative, pirenoxine, and the 21-aminosteroid U74389F on oxidative insult in mammalian lenses was evaluated in vitro, ex vivo and in vivo. In vitro pirenoxine and U74389F inhibited lipid peroxidation induced by iron or haemoglobin in guinea-pig homogenate lens or whole lenses. Both compounds...
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