GA-induced neuronal progenitors migrate to gliotic scar areas and express in situ BDNF. A–C, DCX-expressing cells (green) in regions populated with GFAP-expressing astrocytes (red) in the striatum. D–F, DCX-expressing cells (green) manifest extensive expression of BDNF (orange) in the nucleus accumbens (D, E) and the hippocampal dentate gyrus (F). Representative figures from five GA-treated mice (coronal sections). Scale bar: A–C, 100 μm; D, 50 μm; E, 12 μm; F, 30 μm.