Fig 6. Testicular TH protein expression after caffeine, cocaine and their combination.
A) TH immunostaining. B) TH protein levels evaluated by western blot. CAF: caffeine; COC: cocaine; I: interstitium; ST: seminiferous tubules; TH: tyrosine hydroxylase. Values indicate mean ± SEM (N = 5–6). One way ANOVA- Bonferroni. * p<0.05 different from Vehicle.