期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 9, 期 6, 页码 2075-2091出版社
MDPI
DOI: 10.3390/ijerph9062075
关键词
topoisomerase II; TOP2; translocation; leukemia; AML; etoposide; mitoxantrone; epirubicin; transcription; carcinogen
资金
- Leukemia and Lymphoma Research, London, U.K [07038]
Type II DNA topoisomerases have the ability to generate a transient DNA double-strand break through which a second duplex can be passed; an activity essential for DNA decatenation and unknotting. Topoisomerase poisons stabilize the normally transient topoisomerase-induced DSBs and are potent and widely used anticancer drugs. However, their use is associated with therapy-related secondary leukemia, often bearing 11q23 translocations involving the MLL gene. We will explain recent discoveries in the fields of topoisomerase biology and transcription that have consequences for our understanding of the etiology of leukemia, especially therapy-related secondary leukemia and describe how these findings may help minimize the occurrence of these neoplasias.
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