Total Repopulating Abilities of Late Fetal and Newborn Blood, Liver, and Spleen Cells
| Time (d) . | Amount Donor . | Late Fetal: . | Newborn . | Control BM . | ||||
|---|---|---|---|---|---|---|---|---|
| . | . | Blood . | Liver . | Spleen . | Blood . | Liver . | Spleen . | . |
| 21 | RUtot | 2.1 | 1,408 | 2.7 | 1.4 | 959 | 10.7 | 6,780 |
| 118 | RUtot | 2.8 | 1,514 | 4.8 | 4.7 | 1,073 | 12.9 | 5,970 |
| 245 | RUtot | 3.1 | 2,288 | 5.3 | 6.0 | 1,523 | 16.6 | 6,690 |
| 413 | RUtot | 3.1 | 2,218 | — 4-150 | 6.6 | 1,994 | 17.0 | 4,050 |
| No. cells × 106 per organ per individual | 1.1 | 35 | 0.4 | 0.8 | 22 | 0.7 | 300 | |
| Time (d) . | Amount Donor . | Late Fetal: . | Newborn . | Control BM . | ||||
|---|---|---|---|---|---|---|---|---|
| . | . | Blood . | Liver . | Spleen . | Blood . | Liver . | Spleen . | . |
| 21 | RUtot | 2.1 | 1,408 | 2.7 | 1.4 | 959 | 10.7 | 6,780 |
| 118 | RUtot | 2.8 | 1,514 | 4.8 | 4.7 | 1,073 | 12.9 | 5,970 |
| 245 | RUtot | 3.1 | 2,288 | 5.3 | 6.0 | 1,523 | 16.6 | 6,690 |
| 413 | RUtot | 3.1 | 2,218 | — 4-150 | 6.6 | 1,994 | 17.0 | 4,050 |
| No. cells × 106 per organ per individual | 1.1 | 35 | 0.4 | 0.8 | 22 | 0.7 | 300 | |
RUtot as in Table 2, except mean values for RU per million cells from Table 3. In addition, there were 2.38 × 106 adult blood cells, giving RUtot of 1.0 or 0.2 per mouse.
All recipients died.