Article
Oxidation of cellular thiols by hydroxyethyldisulphide inhibits DNA double-strand-break rejoining in G6PD deficient mammalian cells.
International journal of radiation biology - 1 Nov 2000
Ayene I S, Koch C J, Tuttle S W, Stamato T D, Perez M L, Biaglow J E
Abstract excerpt
PURPOSE: We investigated the effect of protein- and non protein-thiol oxidation on DNA double-strand-break (DSB) rejoining after irradiation and its relevance in the survival of CHO cells. MATERIALS AND METHODS: We used mutant cells null for glucose 6 phosphate dehydrogenase (G6PD) activity since reducing equivalents, required for reduction of oxidized thiols, are typically generated through G6PD regulated...
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