Fig. 4. Xseb4R overexpression promotes early differentiation of retinal cells. (A,B) Typical sections of retinas co-transfected with GFP plus a control plasmid pCS2 (A), or GFP plus Xseb4R (B). The white bracket in B indicates the inner nuclear layer, where very few Xseb4R transfected cells are present compared with the control. (C) Percentage of retinal cell types observed in retinas co-lipofected with GFP plus pCS2, GFP plus Xseb4R, or GFP plus Xseb4R-flag. Statistical analysis was performed using the Student's t-test. ^***, P<0.0001. Scale bar in A: 50 µm.