Figure 2. Decreased expression of putative stem cell marker ΔNp63α in diabetic as compared to healthy limbal epithelial cell cultures on amniotic membrane. Images in A and B represent healthy (NL) and diabetic (DM) LEC and were obtained using the same exposure time. C and D show overlay with 4',6-diamidino-2-phenylindole (DAPI) nuclear counterstaining of A and B, respectively. Bar=20 μm.