CD19 and acute myeloid leukemia: Again, mice transplanted with non-fractionated AML-MNCs tended to have a larger spleen compared to mice transplanted with CD3/CD19-depleted MNCs (murine and human leukocytes (CD45+): 0.68±1.09×106 cells vs. 0.22±0.17×106 cells; not statistically significant).