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Updated: Aug 16, 2026

Transplantation of Pancreatic Islets Into the Kidney Capsule of Diabetic Mice
10:43

Transplantation of Pancreatic Islets Into the Kidney Capsule of Diabetic Mice

Published on: November 1, 2007

Encapsulation of pancreatic islets for transplantation in diabetes: the untouchable islets

Paul de Vos1, Piero Marchetti

  • 1Immunoendocrinology, Dept of Pathology and Laboratory Medicine, Section of Medical Biology, University of Groningen, Hanzeplein 1, 9700 RB Groningen, The Netherlands. P.DE.VOS@MED.RUG.NL

Trends in Molecular Medicine
|July 20, 2002
PubMed

The aim of encapsulation of pancreatic islets is to transplant in the absence of immunosuppression. It is based on the principle that transplanted tissue is protected from the host immune system by an artificial membrane. Encapsulation allows for application of insulin-secreting cells of animal or other surrogate sources, to overcome human islet shortage. The advantages and pitfalls of the approaches developed so far are discussed and compared, together with some recent progress, in view of applicability in clinical islet transplantation.

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Glucose Homeostasis: Pancreatic Islets and Insulin Secretion01:27

Glucose Homeostasis: Pancreatic Islets and Insulin Secretion

The pancreatic islets comprising only 1%-2% of the volume are highly vascularized and innervated mini-organs. They contain five endocrine cell types, including β cells that secrete insulin, which is synthesized as a single polypeptide chain, preproinsulin, processed to proinsulin, and finally to insulin and C-peptide. This process is complex and regulated, involving the Golgi complex, the endoplasmic reticulum, and the secretory granules of the β cell.
Insulin and C-peptide are co-secreted in...