Figure 1. Phenotype identification of the cultured human RPE cells using immunofluorescence (representative image; n = 5). A: All of the cultured cells were positively stained with the RPE65 antibody. B: All of the cultured cells were negatively stained with the S100 antibody. Nuclei were stained by 4',6-diamidino-2-phenylindole (DAPI). Scale bar = 50 μm.