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Complement receptor (OX42) staining in the midbrains of rats (immunohistochemical staining, light microscope, scale bars: 50 μm).
Resting microglia had branches in the substantia nigra of normal controls that stained for OX42 (A).
Microglia cells showed an amoeba-like morphology in the model at 4 days (B), 14 days (C) and 28 days (D). Microglial activation was reduced in gastrodin-(E) and Madopar-treated rats (F).
Arrows represent OX42 positive expression.
