ISH analysis of Sox4 transcripts in E11.5 to P150 mouse brains. (a-f) Expression of the sense transcript for Sox4. (g-l) The expression of the antisense transcript for Sox4. (m-r) Hba-a1 antisense expression (negative control). All micrographs were taken from coronal sections. CP: cortical plate; IZ: intermediate zone; MZ: marginal zone; PP: primordial plexiform layer; SVZ: subventricular zone; VZ: ventricular zone.