WT, Pdx1LacZ/+, Oc1+/− and DH pancreata were immunolabeled for insulin (A), glucagon (B), MafA (C), or MafB (D) in red, E-Cadherin (green), and DAPI (blue). Images are at 20X magnification. Scale bar represents 100 μm. p-value for all marked comparisons was <0.05 by One-Way Anova with Tukey correction. *p<0.05. (See also Figure S3)