Table 2.
Effect of Genotype on Number of Mac-1-Positive Cells in Skeletal Muscles of 8-Month-Old Mice
| Muscle | Genotype | Mouse | Mac-1+ cells/mm2 ± SD (n)* |
|---|---|---|---|
| Tibialis anterior | SJL/J | 1 | 20.5 ± 9.4 (15) |
| 2 | 14.8 ± 8.3 (18) | ||
| 3 | 14.5 ± 13.5 (25) | ||
| SJL/J B2m (−/−) | 1 | 55.7 ± 13.5 (15) | |
| 2 | 48.2 ± 18.6 (17) | ||
| C57BL/6J | 1 | 4.1 ± 2.8 (22) | |
| 2 | 4.1 ± 2.4 (23) | ||
| Gastrocnemius/soleus | SJL/J | 1 | 13.0 ± 5.4 (22) |
| 2 | 16.5 ± 9.5 (22) | ||
| 3 | 15.8 ± 13.1 (18) | ||
| SJL/J B2m (−/−) | 1 | 45.3 ± 10.3 (15) | |
| 2 | 41.6 ± 23.5 (19) | ||
| C57BL/6J | 1 | 4.4 ± 2.0 (20) | |
| 2 | 4.5 ± 2.6 (23) | ||
| Quadriceps | SJL/J | 1 | 25.3 ± 19.0 (30) |
| 2 | 23.5 ± 20.5 (33) | ||
| 3 | 37.1 ± 28.6 (21) | ||
| SJL/J B2m (−/−) | 1 | 53.8 ± 17.5 (20) | |
| 2 | 39.8 ± 19.3 (21) | ||
| C57BL/6J | 1 | 4.0 ± 4.3 (20) | |
| 2 | 4.6 ± 6.5 (25) |
*Number of 1 mm2 fields examined.