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. 1991;65(7):606-7.
doi: 10.1007/BF01973725.

Effects of inhaled ethylene oxide on the lens glutathione redox cycle in rats

K Fujishiro  1 , K Mori, N Inoue
Affiliations

Effects of inhaled ethylene oxide on the lens glutathione redox cycle in rats

K Fujishiro et al. Arch Toxicol. 1991.

Abstract

The effects of chronic ethylene oxide (EtO) inhalation on the lens glutathione redox cycle were investigated. When Wistar male rats were exposed to 500 ppm EtO for 6 h a day, 3 times a week for 13 weeks, glutathione reductase decreased significantly in the lens while glutathione peroxidase did not. Glutathione reductase activity decreased time dependently, by as much as 81% after 13 weeks. In spite of changes in the glutathione redox cycle, reduced and oxidized glutathione levels were not affected. Our results raise the possibility that EtO inhalation may produce a cataract via changes in the glutathione redox cycle.

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