Intracellular signal transduction pathways that control pancreatic beta-cell proliferation
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Updated: Sep 1, 2026

A Method for Mouse Pancreatic Islet Isolation and Intracellular cAMP Determination
Published on: June 25, 2014
1Department of Endocrinology, Rolf Luft Center for Diabetes Research, Karolinska Institute, Karolinska Hospital, Stockholm, Sweden.
Abstract:
This review focuses on the factors that regulate the proliferation of pancreatic islet beta-cells in vitro, and in particular on the intracellular pathways that convey the mitogenic signal into a proliferative response. Substances as diverse as nutrients, polypeptides, cytokines, adrenergic agents, lithium, phorbol esters and cyclic AMP analogs are all able to stimulate or inhibit beta-cell proliferation in a time- and concentration-dependent manner. The evidence for involvement of cyclic AMP, cyclic GMP, protein kinase C, inositol polyphosphates, GTP-binding proteins, polyamines and oncogenes is reviewed.
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