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Hormones and the Autonomic Nervous System are Involved in Suprachiasmatic Nucleus Modulation of Glucose Homeostasis

Ruiter, M. and Buijs, R.M. and Kalsbeek, A. (2006) Hormones and the Autonomic Nervous System are Involved in Suprachiasmatic Nucleus Modulation of Glucose Homeostasis. Current diabetes reviews, 2(2), 213-226. doi:10.2174/157339906776818596.

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Abstract

Glucose is one of the most important energy sources for the body in general, and the brain in particular. It is essential for survival to keep glucose levels within strict boundaries. Acute disturbances of glucose homeostasis are rapidly corrected by hormonal and neuronal mechanisms. Furthermore, changes in energy expenditure associated with the light-dark cycle induce variations in the plasma glucose concentration that are more gradual. Organisms take advantage of adapting their internal physiology to the predictable daily changes in energy expenditure, because it enables them to anticipate these changes and to prevent unnecessary disturbance of homeostasis. The hypothalamic biological clock, located in the suprachiasmatic nucleus (SCN), receives light information from the eyes and transmits this information to the rest of the body to synchronize physiology to the environment. Here we review several studies providing evidence for biological clock control of the daily variation in several aspects of glucose metabolism. Although both hormones and the autonomic nervous system can stimulate glucose uptake or production by organs in the periphery, we have shown that the biological clock control of glucose metabolism mostly occurs through the autonomic nervous system. The critical involvement of the biological clock is also indicated by several studies, indicating that disturbance of the biological clock is often associated with metabolic diseases, such as obesity, diabetes mellitus and hypertension.

Item Type:Article
Additional Information:doi:10.2174/157339906776818596
Institutes:Netherlands Institute for Neuroscience (NIN)
ID Code:3765
Deposited On:13 Feb 2009 17:14
Last Modified:10 Dec 2009 13:14

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