MFM-transduced CD34+ cord blood cells consistently expand in the presence of AP1903.

The maximal level of cell expansion of MFM-transduced (A) and mock-transduced (B) cord blood cells was plotted for each of the experiments listed in Table 1. Each line represents one experiment. The addition of AP1903 resulted in a 13.8-fold to 186-fold expansion compared with cells cultured in the absence of AP1903.