FLT3 gene mutations, either internal tandem duplication (ITD) or D835 point mutations, have been studied extensively in acute myeloid leukemia and myelodysplastic syndrome (MDS). Little is known about FLT3 mutations in chronic myeloproliferative diseases (CMPDs) or their relationship with V617F JAK2 mutations. We analyzed bone marrow samples from 142 patients with Philadelphia (Ph) chromosome- CMPD or CMPD/MDS and from 119 patients with Ph+ chronic myeloid leukemia (CML) using a multiplex polymerase chain reaction assay. FLT3 mutations, 11 ITD and 2 D835, were detected in 13 (9.2%) patients with CMPD or CMPD/MDS, 7 in blast phase and 6 in chronic phase. Analyses for JAK2 mutations in 11 of 13 cases were all negative. By contrast, no FLT3 mutations were detected in CML, including 108 chronic and 11 blast phase cases. FLT3 mutations occur in approximately 10% of CMPD and CMPD/MDS but are not observed in JAK2+ CMPD or in CML.
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 March 2017.
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