Research Article

A New Way for Beta Cell Neogenesis: Transdifferentiation from Alpha Cells Induced by Glucagon-Like Peptide 1

Figure 3

GLP1 did not promote pancreatic acinar or ductal cells to transform into islet β cells. (a) Pancreatic frozen sections were immunolabeled for insulin (green), amylase, or Pan-CK (red) as indicated. (b) PCNA immunohistochemical staining for pancreatic paraffin-embedded slices. Pan-CK; pan-cytokeratin; GLP1, glucagon-like peptide 1; NC, negative control; DM, diabetes mellitus; PCNA, proliferating cell nuclear antigen.