| 2903826 |
Michiels C, Remacle J: Use of the inhibition of enzymatic antioxidant systems in order to evaluate their physiological importance. Eur J Biochem. 1988 Nov 1;177(2):435-41.
Chemical inhibitors of the different antioxidant enzymes were systematically testet either on purified enzymes of after incubation with human fibroblasts in culture. Inhibition values were obtained for catalase with aminotriazole, for superoxide dismutase with diethyldithiocarbamate, for glutathione peroxidase with mercaptosuccinate, for glutathione reductase with bischloroethylnitrosourea and for glutathione synthesis with buthionine sulfoximine. Viability of cells incubated with these inhibitors was then tested under normal conditions and under high oxygen pressure; the data were correlated with the above-mentioned inhibitory values. Cell viability was particularly affected when the glutathione-related enzymes, especially glutathione peroxidase, were inhibited. |
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