Misexpression of DNM1L and Mfn1/2 may underlie several human hematological malignancies including acute myeloid leukemia (AML), chronic myeloid leukemia (CML), chronic lymphocytic leukemia (CLL) and myelodysplastic syndromes1,2. Here, DNM1L is linked to chronic myelogenous leukemia, BCR-ABL1 positive.