Journal
LEUKEMIA
Volume 14, Issue 4, Pages 722-726Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.leu.2401722
Keywords
acute promyelocytic leukemia; epidemiology; population genetics; translocation
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It is believed that most malignancies become more common with increasing age due to the requirement for several mutations to accumulate and subsequently interact. The age specific incidence of acute promyelocytic leukemia (APL) was investigated using population-based data from 77 million subject years of observation, yielding 149 consecutive cases. The incidence appears approximately constant with respect to age, an observation not previously reported with any other malignancy. These findings are most easily explained by there being only one rate limiting genetic event required to initiate the disease, although other, non-rate limiting mutations may also be necessary for disease development. It is also argued that this mutation is probably restricted to cells committed to differentiation, which may explain why APL is curable by chemotherapy.
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