CD34 and acute myeloid leukemia: Primary CD34+ cells weresensitive to UCM-13369, exhibiting decreased viability, as shown in Figure 5A for CFU-E (IC50 = 0.30 μM for AML patients, IC50 = 1.73μM for healthy donors, p-value ≤0.0001)and in Figure 5B forliquid HSC culture.