Serum chemistries of nonfasted female mice. WT or A-ZIP/F-1 mice, 4–5 weeks old, were treated with a control (filled bars) or rosiglitazone (open bars) diet for 5 weeks. Female ob/ob mice, 6 weeks old, were treated for 2 weeks. Data are mean ± SEM (n = 6). ^AP < 0.05 for differences within each genotype between control and rosiglitazone-treated mice. ^BP < 0.005 for differences within each genotype between control and rosiglitazone-treated mice.