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  • Title: Cytogenetic toxicity of cisplatin in bone marrow cells of Swiss mice.
    Author: Choudhury RC, Jagdale MB, Misra S.
    Journal: J Chemother; 2000 Apr; 12(2):173-82. PubMed ID: 10789558.
    Abstract:
    The inorganic platinum compound cisplatin (CP) in Oncoplatin, an anticancer drug, as the test chemical and cyclophosphamide (CY) in Endoxan, another anticancer drug, as the positive control, were tested for their cytogenetic toxicity in bone marrow cells of Swiss mice. The end points selected were mitotic metaphase chromosomal aberration and mitotic index study at 24-hour post-treatment and micronucleus test at 30-hour post-treatment after a single intraperitoneal exposure. The doses of the chemicals tested were CP 2, 3 and 5 mg/kg and CY 40 mg/kg b.w. of mice. Each of the doses of CP induced a significant number of chromosomal aberrations, mostly chromatid breaks and fragments and a significant number of micronuclei. The mitotic index study indicated CP as nonmitotoxic. The female mice were found more sensitive to each of the doses of CP than the males by showing more chromosomal aberrations, a higher number of micronuclei and comparatively less percentages of dividing cells. CP was thus found to be highly clastogenic in bone marrow cells of Swiss mice.
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