Fig. 9From: Alkaloids from piper longum protect dopaminergic neurons against inflammation-mediated damage induced by intranigral injection of lipopolysaccharideEffects of PLA treatment on the average optical density of Iba-1 in the SNpc. n = 4. *** P < 0.001 vs. sham group, ### P < 0.001 vs. LPS groupBack to article page