Table 1. Effects of deletion of 1α(OH)ase or PTH on serum biochemistries in CaR−/− mice.
WT | CaR−/− | 1α(OH)ase−/− | CaR−/−1α(OH)ase−/− | |
Serum calcium (mmol/L) | 2.7±0.07 | 3.9±0.22*** | 2.4±0.05* | 2.6±0.08### |
Serum phosphorus (mmol/L) | 3.3±0.14 | 1.4±0.20*** | 2.7±0.18* | 1.0±0.05*** ## |
Serum ALP (IU/L) | 304±55.5 | 1880±203*** | 461±15.3* | 2240±44.1*** # |
Serum PTH (pg/ml) | 18.4±5.02 | 311±11.4*** | 28.1±3.34* | 492±30.2*** ## |
Serum 1,25(OH)2D3 (pg/ml) | 158±12.3 | 314±32.5*** | 0 | 0 |
*, P<0.05;
**, P<0.01;
***, P<0.001 compared with wild-type mice;
#, P<0.05;
##, P<0.01;
###, P<0.001 compared with CaR−/− mice.