Leucine deprivation increases energy expenditure.

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Presentation transcript:

Leucine deprivation increases energy expenditure. Leucine deprivation increases energy expenditure. The energy expenditure was measured by indirect calorimetry in mice fed a control, leucine-deficient, or pair-fed diet for 7 days. A: 24-h oxygen consumption. B: RER. An RER of 0.70 indicates that fat is the predominant fuel source; an RER of 0.85 suggests a mix of fat and carbohydrates, and a value of ≥1.00 is indicative of carbohydrates being the predominant fuel source. C: Rectal temperature. D: Physical activity. Data are means ± SE of at least two independent experiments with mice of each diet for each experiment (control diet, n = 6; (−) leu diet, n = 6; pair-fed diet, n = 6) over 24–48 h after 6-h acclimation to the metabolic chamber. Statistical significance was determined by one-way ANOVA followed by the Student-Newman-Keuls test for the effect of either (−) leu or pair-fed diet versus control diet (*P < 0.01) or (−) leu diet versus pair-fed diet (#P < 0.01). Ying Cheng et al. Diabetes 2010;59:17-25 ©2010 by American Diabetes Association