Table 1.

Serum hormone and metabolite levels

	Wt		LKO
	Saline	FGF21	Saline	FGF21
Glucose (mg/dl)	200 ± 7.26	173 ± 15.02	181 ± 14.9	188 ± 19.2
Triglycerides (mg/dl)	45.2 ± 4.1	46.2 ± 4.2	51.7 ± 5.4	39.7 ± 3.29
NEFA (mEq/liter)	0.55 ± 0.087	0.35 ± 0.018a	0.624 ± 0.063	0.390 ± 0.085a
β-Hydroxybutyrate (mg/dl)	1.91 ± 0.373	1.78 ± 0.166	2.22 ± 0.231	1.77 ± 0.141
Insulin (ng/ml)	0.43 ± 0.012	0.25 ± 0.022a	0.43 ± 0.050	0.27 ± 0.052a

Table details serum metabolite and insulin levels of wild-type and PGC-1α LKO mice treated with either saline or FGF21 for 4 h.

^aP < 0.05.