Protective Mechanisms Of Glucagon

Neuroendocrine control of glucose homeostasis

Glucagon is secreted into the portal vein and thus has its major physiologic action at the liver to break down glycogen. Glucagon thereby maintains hepatic glucose production during fasting and increases hepatic glucose production during stress, including the clinically important stress of hypoglycemia. Three different mechanisms proposed to stimulate glucagon secreted during hypoglycemia are ...

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Mechanism of Action of Glucagon

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Glucagon is a peptide hormone secreted by the alpha cells of the pancreas. It plays a crucial role in glucose homeostasis by raising blood glucose levels,

Discovered almost simultaneously with insulin, glucagon is a pleiotropic hormone with metabolic action that goes far beyond its classical role to increase blood glucose. Albeit best known for its ability to directly act on the liver to increase de ...