Fig. 4From: Alkaloids from piper longum protect dopaminergic neurons against inflammation-mediated damage induced by intranigral injection of lipopolysaccharideEffects of PLA treatment on the movement track of rats. a sham-operated group; b LPS-injected group followed by vehicle treatment; c the LPS-injected group followed by treatment with 25 mg/kg PLA; d the LPS-injected group followed by treatment with 50 mg/kg PLA; e the LPS-injected group followed by treatment with 75 mg/kg PLABack to article page