Journal
LEUKEMIA RESEARCH
Volume 26, Issue 12, Pages 1093-1096Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0145-2126(02)00051-6
Keywords
amifostine; idarubicin; DNA damage; comet assay; TEL/ABL; HL-60
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Human lymphocytes, p53 protein-deficient acute promyelocytic leukemia cell line HL-60, murine pro-B lymphoid cell line BaF3 and its TEL/ABL-transformed clone cells were exposed to idarubicin with and without pre-treatment with amifostine. Idarubicin at 0.5-5 muM evoked DNA damage measured by the Comet assay. Amifostine at 14 mM decreased DNA-damaging effect of idarubicin in human lymphocytes and BaF3 cells, but increased the effect in TEL/ABL-transformed cells. Amifostine had no influence on the action of idarubicin in HL-60 cells. Our results suggest that the reaction of the cell to DNA damage may contribute to its diverse response to amifostine combined with anticancer drugs and that p53 and fusion tyrosine kinases may be involved in this diversity. (C) 2002 Elsevier Science Ltd. All rights reserved.
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