Figure 4.
Effects of chronic levodopa (hatched bars, 6 mg/kg, i.p., 1 injection per day for 11 days) or co-administration of chronic levodopa + URB (filled bars, 0.3 mg/kg, i.p., day 9−11) on AEA levels in rats with 6-OHDA and sham lesions, 1 h after the last drug injection. Vehicle (Veh, open bars). GP, globus pallidus; SN, substantia nigra. *p<0.05; **p<0.01; ***p<0.001 compared to levodopa+vehicle (Two-way ANOVA followed by Bonferroni's test. Mean±s.e.m, n=5).