NB-4 cells carry the t(15;17) PML-RARA fusion gene, which is characteristic for AML M3, U937 cells carry translocation t(10;11) often seen in AML M5, MV4-11 cells express fusion gene MLL-AF4, and MOLM13 cells express fusion gene MLL-AF9. Here, MLLT3 is linked to acute myeloid leukemia.