CD34 and chronic myelogenous leukemia, BCR-ABL1 positive: We validated this observation in CD34+ cells from an additional 23 CML patient samples and 11 normal bone marrow (NBM) samples by qRT-PCR (Table S1) as well as by analyzing the GSE14671 microarray dataset of CD34+ BM samples from 24 IM-responders and 12 IM-nonresponders.