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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Basic Res Cardiol. 2016 Mar 29;111(3):28. doi: 10.1007/s00395-016-0542-9

Table 1. CLAMS metabolic cage results.

Time (light and dark cycle) had a significant effect on all parameters. No significant effect of strain or interaction was found for other parameters measured in metabolic profiling cages.

Control Cau-3 OE Statistics F (DFn, DFd) P value

Weight (grams) Before 25.94 ± 1.77 25.82 ± 2.49 2-Way RM ANOVA Time F (1, 10) = 12.65 P = 0.005
After 24.52 ± 1.53 25.12 ± 2.63 Strain F (1, 10) = 0.04 P = 0.845
Interaction F (1, 10) = 1.482 P = 0.252
t (df)
Change −1.42 ± 1.12 −0.70 ± 0.93 t test unpaired t (10) = 1.217 P = 0.252

VO2 (ml/kg/hr) Dark 1 4488.15 ± 219.92 4402.29 ± 255.72 2-Way RM ANOVA Time F (4, 40) = 63.89 P < 0.001
Light 1 3965.26 ± 270.28 3894.60 ± 267.46 Strain F (1, 10) = 0.086 P = 0.776
Dark 2 4691.70 ± 229.34 4643.84 ± 361.87 Interaction F (4, 40) = 0.499 P = 0.737
Light 2 3979.32 ± 179.73 3905.65 ± 249.86
Dark 3 4495.64 ± 365.01 4558.41 ± 393.24

VCO2 (ml/kg/hr) Dark 1 4057.02 ± 196.67 3978.93 ± 345.03 2-Way RM ANOVA Time F (4, 40) = 47.79 P < 0.001
Light 1 3440.59 ± 263.67 3476.22 ± 253.98 Strain F (1, 10) < 0.001 P = 0.998
Dark 2 4289.97 ± 185.37 4278.28 ± 345.75 Interaction F (4, 40) = 0.166 P = 0.954
Light 2 3322.22 ± 142.58 3365.32 ± 205.61
Dark 3 4076.90 ± 468.88 4085.79 ± 442.01

RER Dark 1 0.90 ± 0.02 0.90 ± 0.04 2-Way RM ANOVA Time F (4, 40) = 9.095 P < 0.001
Light 1 0.87 ± 0.02 0.89 ± 0.02 Strain F (1, 10) = 1.517 P = 0.246
Dark 2 0.91 ± 0.02 0.92 ± 0.02 Interaction F (4, 40) = 0.732 P = 0.576
Light 2 0.83 ± 0.04 0.86 ± 0.01
Dark 3 0.90 ± 0.05 0.89 ± 0.05

Heat (kcal/hr) Dark 1 0.57 ± 0.05 0.56 ± 0.04 2-Way RM ANOVA Time F (4, 40) = 70.52 P < 0.001
Light 1 0.50 ± 0.06 0.49 ± 0.04 Strain F (1, 10) = 0.075 P = 0.789
Dark 2 0.60 ± 0.05 0.59 ± 0.04 Interaction F (4, 40) = 0.198 P = 0.938
Light 2 0.50 ± 0.04 0.49 ± 0.03
Dark 3 0.58 ± 0.06 0.58 ± 0.04

Feeding, accumulated (grams) Dark 1 2.36 ± 0.82 1.97 ± 0.61 2-Way RM ANOVA Time F (4, 40) = 1471 P < 0.001
Light 1 5.31 ± 1.66 4.58 ± 0.65 Strain F (1, 10) = 0.991 P = 0.343
Dark 2 8.05 ± 1.86 7.21 ± 0.77 Interaction F (4, 40) = 0.681 P = 0.609
Light 2 10.28 ± 1.70 9.54 ± 0.86
Dark 3 12.76 ± 1.56 12.08 ± 0.75

Drinking, accumulated (ml) Dark 1 1.48 ± 0.33 1.66 ± 0.43 2-Way RM ANOVA Time F (4, 40) = 1037 P < 0.001
Light 1 3.97 ± 0.54 3.98 ± 0.59 Strain F (1, 10) = 0.025 P = 0.878
Dark 2 6.22 ± 0.68 6.18 ± 0.52 Interaction F (4, 40) = 0.135 P = 0.969
Light 2 8.39 ± 0.87 8.43 ± 0.63
Dark 3 10.57 ± 1.17 10.65 ± 0.76

Data are Mean ± SD. Significance was assumed when p < 0.05. VO2: oxygen consumption; VCO2: carbon dioxide elimination; RER: respiratory exchange ratio