FGF21 and Hyperglycemia: Interestingly, we also found that hyperglycemia increased in neonatal mice co-treated with FGF21 (PF-05231023) and etomoxir (292.4 ± 30.51 mg/dl) vs. FGF21 (PF-05231023) and vehicle (DMSO, 186.6 ± 15.29 mg/dl, P = 0.0159).