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Doxorubicin toxicity to the skin: possibility of protection with antioxidants enriched yeast

2001
Аутори:
Korać, Bato M.
Buzadžić, Biljana J.
Тип документа:
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Апстракт:
The possibility of skill protection against doxorubicin toxicity was examined after oral antioxidative pretreatment of the rats with yeast supplemented with selenium and vitamins E, C and A for 15 days. The activity and level of antioxidative defense components were monitored in the skin and blood 48 h after i.v. applied dosorubicin. In the blood, increased glutathione peroxidase activity in the erythrocytes, and amounts of vitamin E and glutathione in the plasma were found after the antioxidative treatment. It also led to an increase of the reductive capacity in the skin (increased thioredoxin reductase activity and reduced glutathione level). Doxorubicin alone, depleted reductive capacity, i.e. decreased the activity of thioredoxin reductase in the skin, as well as the content of reduced glutathione both in the skin and blood plasma. Depletion of reductive capacity represents one of the first harmful doxorubicin effects to the skin at the time when the changes of other antioxidative enzyme activities were not detectable. Reductive capacity in the skin of animals given antioxidative pretreatment was maintained elevated upon doxorubicin application in comparison with the corresponding control. Oral supplementation with antioxidants thus prevents toxic effects of doxorubicin in the skill and may contribute to the alleviation of its secondary cytotoxicity during the chemotherapy. (C) 2001 Elseviecr Science Ireland Ltd. All rights reserved.
Извор:
Journal of Dermatological Science, 2001, 25, 1, -52

ISSN: 0923-1811

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URI
http://ibiss-r.rcub.bg.ac.rs/123456789/1825
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