<p>(A) Representative micrographs of the substantia nigra pars compacta showing TH+ neurons with the presence of rhodamine-labeled dextran amine (arrowheads), previously injected into the striatum. (B) Graph showing the percentage of rhodamine-labeled TH+ neurons with respect to the total of TH+ neurons of the same substantia nigra pars compacta, in each experimental condition. The recovery produced by the treatments was significant (F<sub>2, 8</sub> = 18.34, <i>P</i> < 0.0010, One-way ANOVA). * <i>P</i> < 0.05; ** <i>P</i> < 0.01 compared with saline-treated rats (Bonferroni’s Multiple Comparison Post tests). The data are given as the mean ± SEM (<i>n</i> = 4 rats per group).</p
