Section for Translational Metabolic Physiology – University of Copenhagen

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Glucagon-like peptide-1 receptor signaling in acinar cells causes growth dependent release of pancreatic enzymes

Publikation: Forskning - peer reviewTidsskriftartikel

Incretin-based therapies are widely used for type 2 diabetes and now also for obesity, but they are associated with elevated plasma levels of pancreatic enzymes and perhaps a modestly increased risk of acute pancreatitis. However, little is known about the effects of the incretin hormone glucagon-like peptide 1 (GLP-1) on the exocrine pancreas. Here, we identify GLP-1 receptors on pancreatic acini and analyze the impact of receptor activation in humans, rodents, isolated acini, and cell lines from the exocrine pancreas. GLP-1 did not directly stimulate amylase or lipase release. However, we saw that GLP-1 induces phosphorylation of the epidermal growth factor receptor and activation of Foxo1, resulting in cell growth with concomitant enzyme release. Our work uncovers GLP-1-induced signaling pathways in the exocrine pancreas and suggests that increases in amylase and lipase levels in subjects treated with GLP-1 receptor agonists reflect adaptive growth rather than early-stage pancreatitis.
OriginalsprogEngelsk
TidsskriftCell Reports
Vol/bind17
Tidsskriftsnummer11
Sider (fra-til)2845-2856
Antal sider13
DOI
StatusUdgivet - 2016

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