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Endogenous superoxide‐like species and antioxidant activity in ocular tissues detected by luminol luminescence
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1997
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A new luminescent method was used to detect the reactive oxygen species in aqueous and vitreous humors and in homogenates of the lens and retina of laboratory rats. Superoxide-like activity per microgram protein increased in all tissues with weight of the rat, a good indicator of animal age. Superoxide dismutase, centrophenoxine, soluble vitamin E (D-alpha-Locopherol (polyethlyene glycol 1000) succinate, and N'-diphenyl-p-phenylenediamine (DPPD) reduced the luminescence. Catalase had no effect. These results are consistent with the detected species being superoxide-like.