Type and Number of Cells Initially Cultured and Number of Resulting Positive Mice
| Cell Type . | No. of Experiments . | Input Cell No. Used to Generate the Cells Injected Into Each Mouse (×104) . | No. of Positive Mice (%)† . |
|---|---|---|---|
| Lin− cells* | 3 | 32 ± .3 | 11/13 (85) |
| CD34+ | 1 | 3.6 | 4/4 (100) |
| CD34+CD38lo | 1 | 7 | 5/6 (83) |
| Cell Type . | No. of Experiments . | Input Cell No. Used to Generate the Cells Injected Into Each Mouse (×104) . | No. of Positive Mice (%)† . |
|---|---|---|---|
| Lin− cells* | 3 | 32 ± .3 | 11/13 (85) |
| CD34+ | 1 | 3.6 | 4/4 (100) |
| CD34+CD38lo | 1 | 7 | 5/6 (83) |
*The mean ± SEM starting CD34+ cell content of the lin− CB cells was 43% ± 2%.
Positive mice refers to mice in which human CD19+lymphoid cells and human myeloid CFC were detected after 6 weeks.