Somatostatin and insulin release from isolated rat pancreatic islets in response to D-glucose, l-leucine, alpha-ketoisocaproic acid or D-glyceraldehyde: evidence for a regulatory role of adenosine-3' ,5'-cyclic monophosphate. |
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| Authors: | P Schauder C McIntosh J Arends R Arnold H Frerichs W Creutzfeldt |
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| Affiliation: | Department of Medicine, Division of Gastroenterology and Metabolism, University of Göttingen, Federal Republic of Germany |
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| Abstract: | Somatostatin and insulin release from isolated rat pancreatic islets was stimulated by glucose, leucine or α-ketoisocaproic acid. D-glyceraldehyde stimulated insulin release but diminished the secretion of somatostatin. Glucagon and theophylline amplified the glucose-induced somatostatin release.A regulatory role of the D-cell's adenylate cyclase/phosphodiesterase system for the release of somatostatin is suggested. Furthermore, stimulation as well as inhibition of somatostatin release might be of significance for the secretory function of the B-cell. |
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