A – C : Immunohistochemistry for insulin (green), glucagon, <t>somatostatin,</t> and pancreatic polypeptide (red) of normal ( A ) and diabetic ( B and C ) islets. Images were prepared from nPOD cases 6153 ( A [healthy]), 6052 ( B [T1D]), and 6064 ( C [T1D]). Scale bar: 25 μm. D – G : Quantitative analysis of the islet cell composition and HA-positive areas in human pancreas. D : Relative proportion of the classic pancreatic hormone-producing cells. Blue bars, normal tissues; red bars, diabetic tissues. Data are mean ± SD of measurements obtained from tissues of 17 healthy and 19 T1D donors. * P
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