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. 2015 Jun 15;87(14):7036–7042. doi: 10.1021/acs.analchem.5b01557

Table 2. Cell Populations in the Rat Pancreatic Islet of Langerhans Classified Using Peptide Biomarkersa.

cell type biomarkers
alpha glucagon
  glicentin-related polypeptide
beta insulin 1 A+B chain
  insulin 2 A+B chain
  insulin 1 C-peptide
  insulin 2 C-peptide
gamma pancreatic hormone
delta somatostatin-14
a

Peptide signals characteristic of all four cell types were detected.