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lüll Control of hepatocyte metabolism by sympathetic and parasympathetic hepatic nerves Puschel GPAnat Rec A Discov Mol Cell Evol Biol 2004[Sep]; 280 (1): 854-67More than any other organ, the liver contributes to maintaining metabolic equilibrium of the body, most importantly of glucose homeostasis. It can store or release large quantities of glucose according to changing demands. This homeostasis is controlled by circulating hormones and direct innervation of the liver by autonomous hepatic nerves. Sympathetic hepatic nerves can increase hepatic glucose output; they appear, however, to contribute little to the stimulation of hepatic glucose output under physiological conditions. Parasympathetic hepatic nerves potentiate the insulin-dependent hepatic glucose extraction when a portal glucose sensor detects prandial glucose delivery from the gut. In addition, they might coordinate the hepatic and extrahepatic glucose utilization to prevent hypoglycemia and, at the same time, warrant efficient disposal of excess glucose.|Animals[MESH]|Autonomic Nervous System/*metabolism/physiology[MESH]|Glucose/metabolism[MESH]|Hepatocytes/*metabolism[MESH]|Homeostasis/*physiology[MESH]|Humans[MESH]|Insulin/metabolism[MESH]|Liver/*innervation[MESH]|Mammals/*metabolism/physiology[MESH]|Models, Neurological[MESH]|Signal Transduction/physiology[MESH] |