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Figure 1.

Figure 1

Delta‐1 in combination with FP6, increases the generation of mixed and erythroid progenitors from CD34+CD38 cells. CD34+CD38 cells (500 cells/well) were incubated with 4GF, 4GF + IL‐6 or 4GF + FP6 in the presence or absence of Delta‐1. After 6–7 days of culture, aliquots of the cultured cells were replated into semisolid cultures and the numbers of CFU‐mix, BFU‐E and CFU‐GM colonies derived from 500 CD34+CD38 cells were calculated. The numbers of CFU‐mix and BFU‐E colonies are shown as the mean ± SD of triplicate cultures. *P < 0.05 compared to the respective control culture. Data are representative of three independent experiments. P < 0.05 compared to cells cultured with 4GF.