Other KDM4 family members (i.e., KDM4A, KDM4C, and KDM4D) were found to be expressed at lower and similar levels across the cytogenetic subgroups of AML including the mixed lineage leukemia gene‐associated leukemia (11q23/MLL) etc. (Figure 1C). The gene discussed is KMT2A; the disease is acute myeloid leukemia.