Double immunohistochemical stainings on mouse and rat pancreas injected intra-parenchymal with AdCMV-EGFP. (A-G) Immunohistochemical staining in red for EGFP and in green (A-B) for amylase, (C, E) keratin 19, (D) insulin, (F) glucagon, (G) synaptophysin. (A, C, E-F) Mouse pancreas injected with 109 Pfu AdCMV-EGFP. (B, D) RNU rat injected with 5 × 109 Pfu AdCMV-EGFP. (G) Wistar rat injected with 5 × 109 Pfu AdCMV-EGFP. Arrows indicate double positive cells for EGFP and keratin 19. The inset in C is a higher magnification.