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The effect of various scavengers of active oxygen species on the induction of chromosomal aberrations by cadmium chloride (CdCl2) was investigated in cultured Chinese hamster V79 cells. Incidences of chromosomal aberrations by CdCl2 were partially or fully reduced by the presence of catalase, mannitol (a scavenger of hydroxyl radicals) and butylated hydroxytoluene (BHT, an antioxidant). These findings may indicate participation of the active oxygen species such as hydrogen peroxide (H2O2) or hydroxyl radicals in the clastogenicity of cadmium. In contrast, superoxide dismutase (SOD) and dimethylfuran (a scavenger of singlet oxygen) did not influence incidences of chromosomal aberrations by CdCl2. These results suggest that superoxide anion and singlet oxygen are not directly involved in the clastogenicity of the metal. The presence of aminotriazole (an inhibitor of catalase) increased incidences of chromosomal aberrations by CdCl2. This emphasizes participation of H2O2 in the clastogenicity of cadmium.
T Ochi, and
M Ohsawa
January 1980,
Cytogenetics and cell genetics,
T Ochi, and
M Ohsawa
February 1994,
Biological & pharmaceutical bulletin,
T Ochi, and
M Ohsawa
May 1984,
Mutation research,
T Ochi, and
M Ohsawa
November 1992,
Mutation research,
T Ochi, and
M Ohsawa
May 2001,
Mutation research,
T Ochi, and
M Ohsawa
January 1988,
Mutation research,
T Ochi, and
M Ohsawa
April 1994,
Mutation research,
T Ochi, and
M Ohsawa
April 1974,
Mutation research,
T Ochi, and
M Ohsawa
November 1994,
Mutation research,
T Ochi, and
M Ohsawa
August 1981,
Mutation research,
