Micronucleus test in bone marrow of mice treated with 1-nitropropane, 2-nitropropane and cisplatin.

U Kliesch, I D Adler

Index: Mutat. Res. 192(3) , 181-4, (1987)

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Abstract

Micronucleus tests were carried out in bone marrow of mice treated with 1-nitropropane, 2-nitropropane and cisplatin. For 1-nitropropane and 2-nitropropane the results were negative. With cisplatin a dose-dependent increase in the number of polychromatic erythrocytes with micronuclei was observed. The lowest positive dose was 0.1 mg/kg (P less than 0.001, Mann-Whitney-Wilcoxon test). The hepatocarcinogen 2-nitropropane showed clastogenic activity in human lymphocytes in vitro in the presence of S9 (Bauchinger et al., 1987). The negative results in bone marrow suggest that short-lived genotoxic metabolites may be formed in the liver but do not reach the bone marrow.