Cytokine Level (pg/mg prot.)	Vehicle	NECA (0.03 mg/kg)
TNF-α	1.45 ± 0.33	0.62 ± 0.03**
MIP-1α	2.87 ± 0.91	0.47 ± 0.02**
IL-12	20.19 ± 6.88	5.27 ± 0.05*
IFN-γ	0.37 ± 0.13	0.09 ± 0.02*

Results are means ± SEM (n = 10). *p < 0.05, **p < 0.01 versus vehicle-treated mice.