Title : The catalytic topoisomerase II inhibitor dexrazoxane induces DNA breaks, ATF3 and the DNA damage response in cancer cells.

Pub. Date : 2015 May

PMID : 25521189






3 Functional Relationships(s)
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1 KEY RESULTS: Dexrazoxane exposure induced topoisomerase IIalpha (TOP2A)-dependent cell death, gamma-H2AX accumulation and increased tail moment in neutral comet assays. Dexrazoxane DNA topoisomerase II alpha Homo sapiens
2 ATF3 protein was induced by dexrazoxane in a concentration- and time-dependent manner, which was abolished in TOP2A-depleted cells and in cells pre-incubated with ATM inhibitor. Dexrazoxane DNA topoisomerase II alpha Homo sapiens
3 CONCLUSIONS AND IMPLICATIONS: As with other TOP2A poisons, dexrazoxane induced DNA double-strand breaks followed by activation of the DNA damage response. Dexrazoxane DNA topoisomerase II alpha Homo sapiens