Table 1.
Chimeric bone marrow cells (1×105) were plated in semisolid media. Colonies were counted after 14 days of incubation.
| Myeloid | Erythroid | Mixed | |
|---|---|---|---|
| Human cytokines, no human transferrin | 30 ± 1 | 0 | 2.3 ± 0.3 |
| Human cytokines + human transferrin | 95 ± 3 | 64 ± 3.4 | 7.6 ± 0.7 |
| Murine cytokines | 90 ± 7.6 | 72 ± 3 | 16.3 ± 3 |