Glutathione peroxidase, glutathione reductase and superoxide dismutase in the aging lens
1984
Glutathione reductase (GR) and glutathione peroxidase (GPx) show in bovine lenses a decrease in specific activity; furthermore, the heat lability of both enzymes increases with age monitoring structural changes of the molecules.GR activity was correlated with type of cataract in human lenses. Its decrease is significantly connected with cortical opacities.Superoxide dismutase activity declines in aging and cataractous lenses. These results support the assumption that in old lens tissue the capacity of the antioxidative scavanger system is diminished.
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