Abstract
An adequate supply of nutrients is obligatory for life. Glucose is one of the main circulating substrates fuelling the mammalian body, particularly brain, and is normally maintained within a narrow range to ensure health. Given the challenge of maintaining glucose homeostasis, mammals have evolved specialized sensors for monitoring changes in glucose availability. Glucose sensors are distributed centrally and peripherally. Hypothalamic glucose sensors are arousing burgeoning research interest particularly as a result of increasing evidence that the hypothalamus plays an important role in the control of glucose homeostasis. During the last decade, knowledge of hypothalamic glucose sensors has greatly improved, especially as a result of transgenic mice technology and other advances in molecular genetic approaches. This review provides a broad overview of the relevance of hypothalamic glucose sensors in the physiological regulation of glucose homeostasis and putative path physiologic relevance to glycaemic diseases. The primary focus of this report has been to discuss recent data suggesting novel roles for hypothalamic glucose sensors in the control of hepatic glucose production, insulin secretion and hypoglycemia counterregulation. Finally, an improved understanding of hypothalamic glucose sensing pathways may be pertinent for an integral comprehension of the regulation of glucose homeostasis and associated disorders.
Keywords: Brain, Glucose, Glycaemia hypothalamus, Neurones, Sensors, Glucose Homeostasis, Glycolysis, AMP-Activated Protein Kinase, Reactive Oxygen Species, Glucagon, Tricarboxylic Acid (TCA)
Current Diabetes Reviews
Title: Hypothalamic Glucose Sensing and Glycaemic Disease
Volume: 7 Issue: 2
Author(s): Mayowa A. Osundiji and Mark L. Evans
Affiliation:
Keywords: Brain, Glucose, Glycaemia hypothalamus, Neurones, Sensors, Glucose Homeostasis, Glycolysis, AMP-Activated Protein Kinase, Reactive Oxygen Species, Glucagon, Tricarboxylic Acid (TCA)
Abstract: An adequate supply of nutrients is obligatory for life. Glucose is one of the main circulating substrates fuelling the mammalian body, particularly brain, and is normally maintained within a narrow range to ensure health. Given the challenge of maintaining glucose homeostasis, mammals have evolved specialized sensors for monitoring changes in glucose availability. Glucose sensors are distributed centrally and peripherally. Hypothalamic glucose sensors are arousing burgeoning research interest particularly as a result of increasing evidence that the hypothalamus plays an important role in the control of glucose homeostasis. During the last decade, knowledge of hypothalamic glucose sensors has greatly improved, especially as a result of transgenic mice technology and other advances in molecular genetic approaches. This review provides a broad overview of the relevance of hypothalamic glucose sensors in the physiological regulation of glucose homeostasis and putative path physiologic relevance to glycaemic diseases. The primary focus of this report has been to discuss recent data suggesting novel roles for hypothalamic glucose sensors in the control of hepatic glucose production, insulin secretion and hypoglycemia counterregulation. Finally, an improved understanding of hypothalamic glucose sensing pathways may be pertinent for an integral comprehension of the regulation of glucose homeostasis and associated disorders.
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Cite this article as:
A. Osundiji Mayowa and L. Evans Mark, Hypothalamic Glucose Sensing and Glycaemic Disease, Current Diabetes Reviews 2011; 7 (2) . https://dx.doi.org/10.2174/157339911794940701
DOI https://dx.doi.org/10.2174/157339911794940701 |
Print ISSN 1573-3998 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6417 |
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