Autonomic regulation of hepatic glucose production

Peter H Bisschop, Eric Fliers, A. Kalsbeek

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Abstract

Glucose produced by the liver is a major energy source for the brain. Considering its critical dependence on glucose, it seems only natural that the brain is capable of monitoring and controlling glucose homeostasis. In addition to neuroendocrine pathways, the brain uses the autonomic nervous system to communicate with peripheral organs. Within the brain, the hypothalamus is the key region to integrate signals on energy status, including signals from lipid, glucose, and hormone sensing cells, with afferent neural signals from the internal and external milieu. In turn, the hypothalamus regulates metabolism in peripheral organs, including the liver, not only via the anterior pituitary gland but also via multiple neuropeptidergic pathways in the hypothalamus that have been identified as regulators of hepatic glucose metabolism. These pathways comprise preautonomic neurons projecting to nuclei in the brain stem and spinal cord, which relay signals from the hypothalamus to the liver via the autonomic nervous system. The neuroendocrine and neuronal outputs of the hypothalamus are not separate entities. They appear to act as a single integrated regulatory system, far more subtle, and complex than when each is viewed in isolation. Consequently, hypothalamic regulation should be viewed as a summation of both neuroendocrine and neural influences. As a result, our endocrine-based understanding of diseases such as diabetes and obesity should be expanded by integration of neural inputs into our concept of the pathophysiological process. © 2014 American Physiological Society. Compr Physiol 5: 147-165, 2014.

Original languageEnglish
Pages (from-to)147-65
Number of pages19
JournalComprehensive Physiology
Volume5
Issue number1
DOIs
Publication statusPublished - 01 Jan 2015

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