Table 2.

Human TNF-α Serum Levels of TIL-6 Mice at Different Weeks of Age

Mice		Human TNF-α (pg/ml)*
		8 wk		11 wk
		pg/ml
TIL-6−/− (n = 6)		150 ± 56		556 ± 134
TIL-6+/+ (n = 4)		268 ± 86		647 ± 81
		(P <0.01)		(P >0.05)

^* Mean values ± SD. Human TNF-α serum levels were measured by ELISA and P values were calculated by ANOVA.