All fusions splice the 5' ends of the 3q21 genes into exon 2 of the EVI1 gene , an event that is similar to the normal intergenic splicing of MDS1- EVI1 and to those previously documented in leukemias with t ( 3 ; 21 ) and t ( 3 ; 12 ) , in which acute myelogenous leukemia 1- EVI1 fusions and ETV6- EVI1 fusions , respectively , occur .
all fusions splice the 5' ends of the 3q21 genes into exon 2 of the evi1 gene , an event that is similar to the normal intergenic splicing of mds1- evi1 and to those previously documented in leukemias with t ( 3 ; 21 ) and t ( 3 ; 12 ) , in which acute myelogenous leukemia 1- evi1 fusions and etv6- evi1 fusions , respectively , occur .
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