Table 3.
Femoral and Vertebral Bone Parameters
Parameter |
Control |
Diabetic |
||
---|---|---|---|---|
Sham (n = 10) | OVX (n = 12) | Sham (n = 9) | OVX (n = 12) | |
Femur trabecular | ||||
BV/TV | 30.1 ± 1.7 | 13.4 ± 1.1a | 10.5 ± 1.5a | 4.4 ± 0.4a,b,c |
BMD (mg/mL) | 297.0 ± 6.4 | 209.0 ± 8.1a | 186.8 ± 11.2a | 136.7 ± 6.8a,b,c |
BMC (mg) | 0.43 ± 0.02 | 0.35 ± 0.01a | 0.32 ± 0.01a | 0.25 ± 0.02a,b,c |
Tb. Th. (µm) | 56.8 ± 1.5 | 42.1 ± 1.0a | 38.0 ± 2.0a | 31.6 ± 1.0a,b,c |
Tb. N. (1/mm) | 5.26 ± 0.21 | 3.17 ± 0.19a | 2.68 ± 0.24a | 1.38 ± 0.11a,b,c |
Tb. Sp. (µm) | 135.8 ± 7.5 | 286.0 ± 19.9 | 358.7 ± 36.0a | 754.0 ± 74.2a,b,c |
Vertebral trabecular | ||||
BV/TV | 40.2 ± 2.4 | 40.4 ± 2.5 | 28.8 ± 2.7a,b | 21.6 ± 1.4a,b |
BMD (mg/mL) | 286.6 ± 9.8 | 284.9 ± 10.41 | 253.1 ± 13.3a | 200.6 ± 6.3a,b,c |
BMC (mg) | 0.46 ± 0.03 | 0.45 ± 0.04 | 0.38 ± 0.03 | 0.37 ± 0.03 |
Tb. Th. (µm) | 58.9 ± 2.6 | 56.8 ± 2.8 | 44.5 ± 3.0a | 37.4 ± 1.3a,b |
Tb. N. (1/mm) | 6.79 ± 0.26 | 7.11 ± 0.19 | 6.40 ± 0.25 | 5.72 ± 0.23a,b |
Tb. Sp. (µm) | 89.8 ± 6.0 | 84.9 ± 5.2 | 113.6 ± 8.5 | 141.3 ± 9.5a,b |
Femur cortical | ||||
Mean thickness (mm) | 0.255 ± 0.004 | 0.261 ± 0.005 | 0.240 ± 0.006 | 0.229 ± 0.004a,b |
Inner perimeter (mm) | 2.76 ± 0.03 | 2.76 ± 0.02 | 2.84 ± 0.03 | 2.84 ± 0.03 |
Outer perimeter (mm) | 4.37 ± 0.03 | 4.40 ± 0.03 | 4.46 ± 0.11 | 4.29 ± 0.03 |
Marrow area (mm2) | 0.54 ± 0.01 | 0.54 ± 0.01 | 0.57 ± 0.01 | 0.58 ± 0.02 |
Cortical area (mm2) | 0.87 ± 0.02 | 0.90 ± 0.02 | 0.82 ± 0.02b | 0.78 ± 0.02a,b |
BMD (mg/mL) | 1039 ± 22 | 1054 ± 12 | 983 ± 15b | 985 ± 18a,b |
BMC (µg) | 18.2 ± 0.4 | 18.9 ± 0.4 | 16.4 ± 0.5a,b | 15.5 ± 0.5a,b |
Values represent mean ± standard error (n ≥ 5 per group).
Abbreviations: BV/TV, bone volume/total volume; Tb. N., trabecular number; Tb. Sp., trabecular spacing; Tb. Th., trabecular thickness.
P < 0.05 with respect to sham control.
P < 0.05 with respect to OVX control.
P < 0.05 with respect to T1D-sham.