Formoterol treatment increases energy expenditure in SlnOE but not in Sln−/− mice.
A and B, oxygen consumption before and after treatment with formoterol, a β2-adrenergic receptor-selective agonist (n = 8). C, percentage change in fatty acid utilization after formoterol administration. *, p = 0.05; **, p < 0.01; ns, not significant.