The application of immunofluorescence technique with anti-insulin, anti-glucagon, anti-somatostatin, and anti-pancreatic polypeptide (PP) antisera to sections of precisely sampled regions of the human pancreas allowed the quantitative evaluation of the total content of these four endocrine cell populations in 13 nondiabetics, in 2 insulin-dependent diabetics (IDDM), and in 2 non-insulin-dependent diabetic subjects (NIDDM) of various age and sex. In nondiabetic subjects, PP-cells appear sex-related. Male individuals have a significantly greater volume of PP-cells than female. In diabetic subjects, the only marked difference as compared with nondiabetics is the reduction of insulin cell volume in IDDM. Other small differences between individual endocrine cell volumes are detectable in both IDDM and NIDDM as compared with nondiabetics, but their significance is at present unclear. The qualitative changes of islet structure accompanying insulin cell reduction in IDDM were not considered in the present Study.
Quantitation of Endocrine Cell Content in the Pancreas of Nondiabetic and Diabetic Humans
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Yolande Stefan, Lelio Orci, Francine Malaisse-Lagae, Alain Perrelet, Yogesh Patel, Roger H Unger; Quantitation of Endocrine Cell Content in the Pancreas of Nondiabetic and Diabetic Humans. Diabetes 1 August 1982; 31 (8): 694–700. https://doi.org/10.2337/diab.31.8.694
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