Table 1.
Absolute Numbers of B Lineage Cells in Lymphoid Organs
| RP105+/+ | RP105−/− | |||
|---|---|---|---|---|
| Exp. 1 | Exp. 2 | Exp. 1 | Exp. 2 | |
| (×10−6) | (×10−6) | (×10−6) | (×10−6) | |
| Bone marrow | ||||
| Pro-B | 0.26 | 0.4 | 0.3 | 0.4 |
| Pre-B | 0.78 | 1.2 | 0.9 | 2.0 |
| Immature B | 0.58 | 0.8 | 0.6 | 1.0 |
| Recirculating B | 0.25 | 0.5 | 0.45 | 0.3 |
| Spleen | ||||
| B | 21.0 | 14.0 | 40.0 | 22.0 |
| T | 9.0 | 8.6 | 23.0 | 17.0 |
| Lymph nodes | ||||
| B | 1.6 | ND | 2.8 | ND |
| T | 9.0 | ND | 10.0 | ND |
| Peritoneal cavity | ||||
| CD5+IgM+ B | 1.9 | 2.1 | 0.6 | 0.5 |
| CD5−IgM− B | 0.8 | 0.7 | 0.4 | 0.3 |
Cells of lymphoid organs were counted, and absolute numbers of lymphoid cells were calculated from the percentage of each cell population. ND, not done; Exp., experiment.