Article
Cholinergic augmentation of insulin release requires ankyrin-B.
Science signaling - 16 Mar 2010
Healy Jane A, Nilsson Kent R, Hohmeier Hans E, Berglund Jelena, Davis Jonathan, Hoffman Janis, Kohler Martin, Li Luo-Sheng, Berggren Per-Olof, Newgard Christopher B, Bennett Vann
Abstract excerpt
Parasympathetic stimulation of pancreatic islets augments glucose-stimulated insulin secretion by inducing inositol trisphosphate receptor (IP(3)R)-mediated calcium ion (Ca2+) release. Ankyrin-B binds to the IP(3)R and is enriched in pancreatic beta cells. We found that ankyrin-B-deficient islets displayed impaired potentiation of insulin secretion by the muscarinic agonist carbachol, blunted carbachol-mediated...
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