Serum parameters in 5-d-old mice
| Parameter | WT | Opt +/− | Opt −/− | n |
| Calcium (mg/dl) | 4.9 ± 0.5 | 5.0 ± 0.3 | 5.2 ± 0.5 | 10 |
| Phosphate (mg/dl) | 16.3 ± 0.4 | 16.3 ± 0.5 | 17.4 ± 0.7 | 10 |
| ALP (U/Iiter) | 514 ± 44.7 | 458 ± 21.9 | 737 ± 78.3b | 10 |
| IGF-1 (ng/ml) | 132 ± 18.3 | 131 ± 8.48 | 68.4 ± 11.0b | 9–10 |
| PTH (pg/ml) | 49.6 ± 13.2 | 45.0 ± 6.64 | 47.6 ± 11.8 | 13–17 |
| Ascorbic acid (µM) | 103 ± 4.22 | 126 ± 6.39a | 115 ± 5.59 | 12 |
| Parameter | WT | Opt +/− | Opt −/− | n |
| Calcium (mg/dl) | 4.9 ± 0.5 | 5.0 ± 0.3 | 5.2 ± 0.5 | 10 |
| Phosphate (mg/dl) | 16.3 ± 0.4 | 16.3 ± 0.5 | 17.4 ± 0.7 | 10 |
| ALP (U/Iiter) | 514 ± 44.7 | 458 ± 21.9 | 737 ± 78.3b | 10 |
| IGF-1 (ng/ml) | 132 ± 18.3 | 131 ± 8.48 | 68.4 ± 11.0b | 9–10 |
| PTH (pg/ml) | 49.6 ± 13.2 | 45.0 ± 6.64 | 47.6 ± 11.8 | 13–17 |
| Ascorbic acid (µM) | 103 ± 4.22 | 126 ± 6.39a | 115 ± 5.59 | 12 |