HOXB4 and chronic myelogenous leukemia, BCR-ABL1 positive: Finally, we were able to demonstrate that JQ1‐resistant primary CML cells (IC50: JQ1 > 750 nM) express higher MYC, CCND2, and HOXB4 mRNA levels compared to JQ1‐sensitive CML cells (IC50: <750 nM) (Figure S6D).