Table 1.
Measure | Chow diet | Cafeteria diet | p Values | ||||
---|---|---|---|---|---|---|---|
Vehicle | Minocycline | Vehicle | Minocycline | Diet | Mino | Interaction | |
Total energy and macronutrient intake (average kJ/rat) | |||||||
Total energy intake | 14432 ± 282 | 15292 ± 989 | 45584 ± 2628a,b | 41886 ± 719a,b | <0.001 | – | – |
Total protein intake | 3140 ± 67 | 3269 ± 211 | 3768 ± 150a | 3355 ± 64 | 0.023 | – | – |
Total carbohydrate intake | 9419 ± 200 | 9806 ± 632 | 25292 ± 1407a,b | 23574 ± 334a,b | <0.001 | – | – |
Total fat intake | 1952 ± 41 | 2032 ± 131 | 13400 ± 719a,b | 11998 ± 373a,b | <0.001 | – | – |
Anthropometric measures (cm) | |||||||
Naso-anal length | 23.8 ± 0.3 | 24.6 ± 0.3 | 25.2 ± 0.2a | 24.9 ± 0.2a | 0.002 | – | 0.034 |
Girth | 17.7 ± 0.2 | 18.1 ± 0.1 | 20.5 ± 0.3a | 19.9 ± 0.4a | <0.001 | – | – |
Tibia length | 4.10 ± 0.03 | 4.10 ± 0.06 | 4.17 ± 0.04 | 4.12 ± 0.04 | – | – | – |
Organ weights (g) | |||||||
Liver weight | 14.3 ± 0.4 | 15.4 ± 0.6 | 22.3 ± 1.4a,b | 23.0 ± 1.4a,b | <0.001 | – | – |
Heart weight | 1.04 ± 0.04 | 1.12 ± 0.03 | 1.38 ± 0.04a,b | 1.29 ± 0.11a,b | <0.001 | – | 0.035 |
Fat pad weights (g) | |||||||
Retroperitoneal | 4.03 ± 0.26 | 3.48 ± 0.23 | 14.67 ± 1.53a,b | 12.66 ± 1.15a,b | <0.001 | – | – |
Gonadal | 4.23 ± 0.35 | 3.94 ± 0.27 | 14.62 ± 1.47a,b | 12.04 ± 1.31a,b | <0.001 | – | – |
Total | 8.27 ± 0.55 | 7.43 ± 0.47 | 29.28 ± 2.86a,b | 24.70 ± 2.26a,b | <0.001 | – | – |
Unfasted blood and plasma measures | |||||||
Blood glucose (mmol/L) | 9.5 ± 0.4 | 9.8 ± 0.4 | 10.2 ± 0.4 | 10.6 ± 0.4 | – | – | – |
Plasma insulin (ng/mL) | 1.55 ± 0.15 | 1.16 ± 0.05 | 2.62 ± 0.43a,b | 1.85 ± 0.21 | 0.002 | 0.034 | – |
Plasma leptin (ng/mL) | 3.65 ± 0.30 | 3.35 ± 0.28 | 10.65 ± 1.75a,b | 12.39 ± 1.44a,b | <0.001 | – | – |
Plasma triglyceride (mmol/L) | 0.86 ± 0.09 | 0.75 ± 0.07 | 2.84 ± 0.28a,b | 2.14 ± 0.22a,b | 0.034 | <0.001 | – |
Plasma high-density lipoprotein (mmol/L) | 0.56 ± 0.03 | 0.46 ± 0.03 | 0.45 ± 0.04 | 0.50 ± 0.04 | – | – | 0.026 |
Data expressed as mean ± SEM; n = 4 cages for energy intake measures; n = 10–12 for other measures. Data were analyzed using two-way ANOVA, followed by post hoc multiple comparisons with a Tukey HSD correction.
ap < 0.05 relative to CVeh.
bp < 0.05 relative to CMino.
cp < 0.05 relative to CafVeh.