Table 1.

Plasma metabolic parameters of C57BL/6J mice maintained at 22°C or after exposure to 4°C for 4 h.

	22°C	4°C
Triglycerides (mg/dL)	92 ± 8	74 ± 6a
Cholesterol (mg/dL)	94 ± 6	96 ± 6
Leptin (pg/mL)	5200 ± 78	3296 ± 70b
FGF21 (pg/mL)	3620 ± 451.1	2755 ± 173.4

Data are means ± SEM; n = 10.

^aP < 0.05.

^bP < 0.001.