KIR3DL1 and acute myeloid leukemia: Following in vitro AML cell line (SET-2 and KG-1) stimulation, KIR3DL1low educated NK subsets and KIR3DL1 uneducated (KIR3DL1null) NK cells in the HLA-Bw4*80I genotype demonstrated high cytotoxic activity (98).