(A-B) Sections of adult wild-type (A) and Nestin-CRE/DG null (B) retina stained with haematoxylin and eosin. (C-D) Sections of adult wild-type (C) and Nestin-Cre/DG null (D) retinas labeled with the AP83 antibody to β-dystroglycan. (E) Immunoblot of WGA-enriched retina homogenates from wild-type littermate (control) and Nestin-Cre/DG null (Nestin) retinas labeled with the IIH6 and AP83 antibodies to α- and β-dystroglycan. GCL, ganglion cell layer; IPL, inner plexiform layer; INL, inner nuclear layer; OPL, outer plexiform layer; ONL, outer nuclear layer