Assessment of Cyto/Genotoxicity of Irinotecan in V79 Cells Using the Comet, Micronucleus, and Chromosome Aberration Assay (CROSBI ID 160404)
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Podaci o odgovornosti
Kašuba, Vilena ; Rozgaj, Ružica ; Gamulin, Marija ; Trošić, Ivančica
engleski
Assessment of Cyto/Genotoxicity of Irinotecan in V79 Cells Using the Comet, Micronucleus, and Chromosome Aberration Assay
Irinotecan is a topoisomerase I interactive agent, widely used in the treatment of metastatic colorectal cancer. The genotoxic effects of the maximum single dose (18 µg mL-1), recommended monotherapy dose (9 µg mL-1), and recommended combined therapy dose (4.5 µg mL-1) of irinotecan were studied on V79 cells using the comet assay, chromosome aberration assay, and micronucleus test. The cells were treated with irinotecan for 2 h or 24 h. The statistical significance of the results was determined using the one-way ANOVA test and a nonparametric Mann Whitney U test. The comet assay did not show dose-dependent or time-dependent effects. The chromosome aberration analysis showed large DNA rearrangements, i.e., chromosome exchanges. Although the exposed cultures showed a significant increase in micronucleated cells in respect to control, no dose-dependent relation was established among the treated cultures. Time-dependent effect was also not observed.
alkaline comet assay; antineoplastic drug; cell cultures; DNA and cytogenetic damage; topoisomerase
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Podaci o izdanju
61 (1)
2010.
1-9
objavljeno
0004-1254
1848-6312
10.2478/10004-1254-61-2010-1967
Povezanost rada
Biologija