IKZF1 and infection: Infection of IkNULL lin− HPCs with Ikaros1 significantly augmented CFC activity of transduced HPCs (Figure 5C, table), which correlates with the increased number of CFU-GEMM, BFU-E/Mk and, moreover, BFU-E colonies (Figure 5C, table; IkNULL lin−vs. IkNULL/Ik1 lin− HPCs).