Title : Somatostatin and insulin mediate glucose-inhibited glucagon secretion in the pancreatic α-cell by lowering cAMP.

Pub. Date : 2015 Jan 15

PMID : 25406263






3 Functional Relationships(s)
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1 Our data indicate that both somatostatin and insulin signaling are required to suppress cAMP/PKA and glucagon secretion from both human and murine alpha-cells, and the combination of these two signaling mechanisms is sufficient to reduce glucagon secretion from isolated alpha-cells as well as islets. Glucagon insulin Homo sapiens
2 Our data indicate that both somatostatin and insulin signaling are required to suppress cAMP/PKA and glucagon secretion from both human and murine alpha-cells, and the combination of these two signaling mechanisms is sufficient to reduce glucagon secretion from isolated alpha-cells as well as islets. Glucagon insulin Homo sapiens
3 Thus, we conclude that somatostatin and insulin together are critical paracrine mediators of glucose-inhibited glucagon secretion and function by lowering cAMP/PKA signaling with increasing glucose. Glucagon insulin Homo sapiens