Glucagon (1-29), bovine, human, porcine hydrochloride is a peptide hormone, produced by pancreatic α-cells. It activates HNF4α and increases HNF4α phosphorylation. Glucagon (1-29), bovine, human, porcine hydrochloride(Porcine glucagon hydrochloride) stimulates gluconeogenesis.
In vitro
Glucagon stimulates both hepatic kisspeptin1 production and gluconeogenesis. Upon binding to its receptor Gcgr, Glucagon activates cAMP-PKA signaling to stimulate hepatic glucose production (HGP) and cause hyperglycemia. Glucagon (100 nM) increases the phosphorylation of HNF4α. Glucagon (100 nM) represses CYP7A1 mRNA expression in human primary hepatocytes [3].
In vivo
Glucagon (20 μg/kg) increases glycemia and does not stimulate insulin secretion in ambient-fed mice. High-dose (1 mg/kg) Glucagon lowers glycemia compared with PBS control and stimulates insulin secretion in ambient-fed mice [4].
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参考文献
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