CEBPA and acute myeloid leukemia: ,62 Following overnight incubation, a statistically significant increase in Cy3 fluorescence (p < 0.001) was observed in the Cy3-MTL-CEBPA group compared to all controls in all AML cell lines tested (KG1a, THP-1, MOLM-14, PL-21, OCI-AML3, K562, HL-60, OCI-AML2, and MOLM-13) (Figures 1B and S1A).