Figure 1

PS18 antagonized 6-OHDA -mediated dopaminergic neuronal loss in rat primary ventromesencephalic culture. (A) Timeline of experiment. (B) Representing photomicrographs demonstrate that 6-OHDA reduced tyrosine hydroxylase immunoreactivity (THir), which was antagonized by PS18. (C) PS18 significantly increased THir after 6-OHDA lesioning. n = 7 per group. *p < 0.05, 1-way ANOVA + NK test.