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The effects of apomorphine upon local cerebral glucose utilization in conscious rats and in rats anesthetized with chloral hydrate

Abstract

The effects of the dopaminergic agonist apomorphine (1 mg . kg-1 i.v.) upon local cerebral glucose utilization in 43 anatomically discrete regions of the CNS were examined in conscious, lightly restrained rats and in rats anesthetized with chloral hydrate by means of the quantitative autoradiographic (/sup 14/C)2-deoxyglucose technique. In animals anesthetized with chloral hydrate, glucose utilization was reduced throughout all regions of the CNS from the levels observed in conscious animals, although the magnitude of the reductions in glucose use displayed considerable regional heterogeneity. With chloral hydrate anesthesia, the proportionately most marked reductions in glucose use (by 40-60% from conscious levels) were noted in primary auditory nuclei, thalmaic relay nuclei, and neocortex, and the least pronounced reductions in glucose use (by 15-25% from conscious levels) were observed in limbic areas, some motor relay nuclei, and white matter. In conscious, lightly restrained rats, the administration of apomorphine (1 mg . kg-1) effected significant increased in glucose utilization in 15 regions of the CNS (e.g., subthalamic nucleus, ventral thalamic nucleus, rostral neocortex, substantia nigra, pars reticulata), and significant reductions in glucose utilization in two regions of the CNS (lateral habenular nucleus and anterior cingulate cortex).
Publication Date:
Feb 01, 1983
Product Type:
Journal Article
Reference Number:
EDB-83-114277
Resource Relation:
Journal Name: J. Neurochem.; (United Kingdom); Journal Volume: 40:2
Subject:
59 BASIC BIOLOGICAL SCIENCES; 63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; CEREBRUM; AUTORADIOGRAPHY; GLUCOSE; METABOLISM; NARCOTICS; BIOLOGICAL EFFECTS; ANESTHESIA; BIOCHEMICAL REACTION KINETICS; CARBON 14 COMPOUNDS; RATS; ALDEHYDES; ANIMALS; BODY; BRAIN; CARBOHYDRATES; CENTRAL NERVOUS SYSTEM; CENTRAL NERVOUS SYSTEM DEPRESSANTS; DRUGS; HEXOSES; KINETICS; LABELLED COMPOUNDS; MAMMALS; MONOSACCHARIDES; NERVOUS SYSTEM; ORGANIC COMPOUNDS; ORGANS; REACTION KINETICS; RODENTS; SACCHARIDES; VERTEBRATES; 550201* - Biochemistry- Tracer Techniques; 560305 - Chemicals Metabolism & Toxicology- Vertebrates- (-1987); 550501 - Metabolism- Tracer Techniques
OSTI ID:
5999286
Research Organizations:
Wellcome Surgical Institute, University of Glasgow, UK
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JONRA
Submitting Site:
HEDB
Size:
Pages: 569-576
Announcement Date:
Apr 01, 1983

Citation Formats

Grome, J J, and McCulloch, J. The effects of apomorphine upon local cerebral glucose utilization in conscious rats and in rats anesthetized with chloral hydrate. United Kingdom: N. p., 1983. Web.
Grome, J J, & McCulloch, J. The effects of apomorphine upon local cerebral glucose utilization in conscious rats and in rats anesthetized with chloral hydrate. United Kingdom.
Grome, J J, and McCulloch, J. 1983. "The effects of apomorphine upon local cerebral glucose utilization in conscious rats and in rats anesthetized with chloral hydrate." United Kingdom.
@misc{etde_5999286,
title = {The effects of apomorphine upon local cerebral glucose utilization in conscious rats and in rats anesthetized with chloral hydrate}
author = {Grome, J J, and McCulloch, J}
abstractNote = {The effects of the dopaminergic agonist apomorphine (1 mg . kg-1 i.v.) upon local cerebral glucose utilization in 43 anatomically discrete regions of the CNS were examined in conscious, lightly restrained rats and in rats anesthetized with chloral hydrate by means of the quantitative autoradiographic (/sup 14/C)2-deoxyglucose technique. In animals anesthetized with chloral hydrate, glucose utilization was reduced throughout all regions of the CNS from the levels observed in conscious animals, although the magnitude of the reductions in glucose use displayed considerable regional heterogeneity. With chloral hydrate anesthesia, the proportionately most marked reductions in glucose use (by 40-60% from conscious levels) were noted in primary auditory nuclei, thalmaic relay nuclei, and neocortex, and the least pronounced reductions in glucose use (by 15-25% from conscious levels) were observed in limbic areas, some motor relay nuclei, and white matter. In conscious, lightly restrained rats, the administration of apomorphine (1 mg . kg-1) effected significant increased in glucose utilization in 15 regions of the CNS (e.g., subthalamic nucleus, ventral thalamic nucleus, rostral neocortex, substantia nigra, pars reticulata), and significant reductions in glucose utilization in two regions of the CNS (lateral habenular nucleus and anterior cingulate cortex).}
journal = []
volume = {40:2}
journal type = {AC}
place = {United Kingdom}
year = {1983}
month = {Feb}
}