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FEBS Lett. 1987 Sep 14;221(2):355-8.

Glutathione peroxidase and oxidative hemolysis in trout red blood cells.


Red blood cells from the trout Salmo irideus contain several hemoglobin components that are prone to oxidation with production of oxygen radicals. The rate of hemolysis has been correlated to the extent of methemoglobin formation. A difference in the rate of hemolysis between red blood cells saturated with either CO or O2 was evident only when diminished glutathione peroxidase activity was observed. These results confirm the important role of this enzyme in providing protection against or repair of oxidative damage to the red cell membrane.

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