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Title: Sodium arsenite potentiates the clastogenicity and mutagenicity of DNA cross linking agents

Journal Article · · Environ. Mutagen.; (United States)

To see if sodium arsenite enhances the clastogenicity and the mutagenicity of DNA crosslinking agents, Chinese hamster ovary (CHO) cells and human skin fibroblasts were exposed to cis-diamminedichloroplatinum (II) (cis-Pt(II)) or 8-methoxypsoralen (8-MOP) plus long-wave ultraviolet light (UVA) and then to sodium arsenite. The results indicate that the clastogenicity of cis-Pt(II) and 8-MOP pllus UVA are enhanced by the post-treatment with sodium arsenite. Chromatid breaks and exchanges are predominantly increased in doubly treated cells. Furthermore, the mutagenicity of cis-Pt(II) at the hypoxanthine-guanine phosphoribosyl transferase locus is also potentiated by sodium arsenite in CHO cells

Research Organization:
Institute of Zoology, Taipei, Taiwan
OSTI ID:
5499021
Journal Information:
Environ. Mutagen.; (United States), Vol. 8:1
Country of Publication:
United States
Language:
English