Engraftment of Human Cells in Primary Recipients (Newborn Animals)
| Experiment No. . | Animal No. . | % CD45+ Cells in BM After Birth . | Chimeric/Total Animals . | ||
|---|---|---|---|---|---|
| 1 wk . | 1 mo . | 3 mo . | |||
| [Fresh Cells] | |||||
| 1 | 302 | ND | 1.7 | 0.9 | 3/6 | 
| 308 | ND | 3.4 | 1.9 | ||
| 309 | ND | 0.8 | 1.8 | ||
| 2 | 26 | ND | 2.3 | ND | 2/5 | 
| 27 | ND | 1.4 | ND | ||
| [Cultured Cells] | |||||
| 1 | 406 | 0.6 | 0 | ND | 2/6 | 
| 408 | 0.3 | 0.1 | ND | ||
| Experiment No. . | Animal No. . | % CD45+ Cells in BM After Birth . | Chimeric/Total Animals . | ||
|---|---|---|---|---|---|
| 1 wk . | 1 mo . | 3 mo . | |||
| [Fresh Cells] | |||||
| 1 | 302 | ND | 1.7 | 0.9 | 3/6 | 
| 308 | ND | 3.4 | 1.9 | ||
| 309 | ND | 0.8 | 1.8 | ||
| 2 | 26 | ND | 2.3 | ND | 2/5 | 
| 27 | ND | 1.4 | ND | ||
| [Cultured Cells] | |||||
| 1 | 406 | 0.6 | 0 | ND | 2/6 | 
| 408 | 0.3 | 0.1 | ND | ||
Recipient fetuses were allowed to be born and the bone marrow cells were examined serially for CD45+ cells.
Abbreviations: BM, bone marrow; ND, not done.