Abstract
Bleomycin induced DNA single-strand breaks in Chinese hamster V 79 cells which were detected by the alkaline filter elution assay. In the presence of propylgallate, an antioxidant, the amount of DNA single-strand breaks was significantly reduced. The production of DNA strand breaks by methylnitronitrosoguanidine used as a positiv control was not influenced by propylgallate. It is suggested that propylgallate inhibits the generation of DNA single-strand breaks by trapping reactive oxygen species produced by the bleomycin-iron(II) complex.
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