Functional correlations between lateral hypothalamic glucose-sensitive neurons and hepatic portal glucose-sensitive units in rat
N Shimizu, Y Oomura, D Novin, CV Grijalva… - Brain Research, 1983 - Elsevier
N Shimizu, Y Oomura, D Novin, CV Grijalva, PH Cooper
Brain Research, 1983•ElsevierThe effects of glucose injection into the hepatic portal vein on neural activity of the lateral
hypothalamic area (LHA) were studied in rats. A majority of identified glucose-sensitive
neurons in the LHA were inhibited by portal injection of glucose. This was found to be
mediated through the α-noradrenergic pathways. Most of the glucose-insensitive neurons
did not respond to the same procedure. Portal injection of hypertonic saline increased
neural activity of some glucose-insensitive neurons but no glucose-sensitive neurons …
hypothalamic area (LHA) were studied in rats. A majority of identified glucose-sensitive
neurons in the LHA were inhibited by portal injection of glucose. This was found to be
mediated through the α-noradrenergic pathways. Most of the glucose-insensitive neurons
did not respond to the same procedure. Portal injection of hypertonic saline increased
neural activity of some glucose-insensitive neurons but no glucose-sensitive neurons …
Abstract
The effects of glucose injection into the hepatic portal vein on neural activity of the lateral hypothalamic area (LHA) were studied in rats. A majority of identified glucose-sensitive neurons in the LHA were inhibited by portal injection of glucose. This was found to be mediated through the α-noradrenergic pathways. Most of the glucose-insensitive neurons did not respond to the same procedure. Portal injection of hypertonic saline increased neural activity of some glucose-insensitive neurons but no glucose-sensitive neurons responded. Convergence of hepatic vagal afferent glucose-sensitive units on LHA glucose-sensitive neurons was clarified by this study.
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