Fig. 5.
Loss of TH-positive nerve fibers in corpus striatum of lactacystin-treated rats. × 400. a Left side injected with lactacystin; the staining decreased severely compared with the contralateral corpus striatum. b Right corpus striatum of lactacystintreated rats; TH staining is strong, compared with a.c The expression on the left corpus striatum in control animals is the same as on the right in lactacystin-treated animals. d Left corpus striatum in shamoperated animals: strong TH-positive expression, no difference was found compared with b and c