Distribution of Pancreatic Polypeptide-secreting Endocrine Cells in Nondiabetic and Diabetic Cases

Applied Immunohistochemistry & Molecular Morphology : AIMM
Mariola Sliwińska-Mossoń, Halina Milnerowicz

Abstract

The aim of the study was to demonstrate the effects of cigarette smoking and ongoing inflammation in chronic pancreatitis on the functioning of pancreatic polypeptide (PP)-secreting cells and to determine the relationship between the occurrence of an increased number of PP cells in the pancreas, the change in their location, and the intensity of their inflammatory changes in the course of pancreatitis and diabetes. Samples of tissues from healthy persons and from patients were verified histopathologically, and then PP was localized by immunohistochemical staining using the monoclonal anti-human PP antibody. The histopathologic evaluation of the hormone expression intensity in tissue sections was carried out using the semiquantitative method and was calculated with digital image analysis. The present study showed a very strong PP expression in the pancreatic tissue (especially in the head of the pancreas) derived from smoking patients with diabetes. The increase in the percentage of cells in the PP islets, between the acinar cells in smoking patients with diabetes and a statistically significant increase in the expression of PP, indicates a pancreatic endocrine dysfunction and suggests that cigarette smoking has a negative impac...Continue Reading

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Citations

Mar 22, 2018·Diabetes & Vascular Disease Research : Official Journal of the International Society of Diabetes and Vascular Disease·Mariola Śliwińska-MossońHalina Milnerowicz

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