Calbindin is a reliable marker for Purkinje cell terminals in the MVN. A, B, GFP-positive Purkinje cells in L7-tau-GFP mice (green) (A) were specifically colocalized with the immunoreactivity of α-calbindin D-28k antibody (magenta) (B). C, D, GFP-positive Purkinje cell terminals (green) (C) were specifically colocalized with the immunoreactivity of α-calbindin antibody (magenta) (D) Scale bars: A, B, 50 μm; C, D, 10 μm.