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The chromosomal mutagen, bleomycin, is also noted for its toxic properties, although the mechanism of cell death is not fully understood. In order to determine if cell death occurred by apoptosis or necrosis, AHH-1 tk +- cells were exposed to bleomycin and the percentage of viable, apoptotic and necrotic cells quantified by flow cytometry. Logistic regression analysis indicated that...
One role of programmed cell death (apoptosis) is the removal of cells with DNA damage from the population. Certain cells, however, are able to suppress the signals for apoptotic cell death and maintain viability. This suggests that the susceptibility of a cell to either undergo apoptosis or escape from the apoptotic death pathways may be an important factor in chemical mutagenesis. In order to...
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