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Enhanced sensitivity to oxidative stress in Cu,ZnSOD depleted rat erythrocytes

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, ISSN: 0005-2760, Vol: 1123, Issue: 3, Page: 291-295
1992
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Article Description

The effects on red blood cells of superoxide dismutase (Cu,ZnSOD) depletion, induced by feeding Wistar rats with a copper deficient diet, were investigated. SOD depleted red blood cells were more sensitive to peroxidation and to hemolysis than normal cells when exposed to tert -butylhydroperoxide ( t -BOOH). Membranes isolated from SOD depleted cells showed a lower content of vitamin E and higher (Na +, K + ) and Mg 2+ ATPase activities. These results support the view that superoxide dismutase plays an important role in cellular oxidative metabolism.

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