Regional cerebral energy metabolism in acute carbon monoxide intoxication. 1977

V MacMillan

The regional cerebral metabolic effects of 30 min of exposure to 0.5, 1.0, 1.5, and 2.0% carbon monoxide (CO) were studied in lightly anesthetized rats by measurement of energy phosphates and glycolytic - citric acid cycle substrates in the basal ganglia, hippocampus-thalamus, and cerebellum. In all three regions 0.5 and 1.0% CO gave rise to increases in tissue lactate, but since ATP and the energy charge of the adenylate pool (ECP) remained unchanged from control, it is concluded that energy state was unaltered at these levels of CO. At 1.5% CO the basal ganglia region showed decreases in ATP and ECP, whereas these values for cerebellum and hippocampus=thalamus were unchanged from control. At 2.0% CO all areas showed decreases in APT and ECP and increases in ADP and AMP. The patterns of change in glycolytic and citric acid cycle substrates were similar in all three areas. The results indicated that the energy homeostasis of the basal ganglia is less well maintained in this form of experimental hypoxia.

UI MeSH Term Description Entries
D007773 Lactates Salts or esters of LACTIC ACID containing the general formula CH3CHOHCOOR.
D008297 Male Males
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002249 Carbon Monoxide Poisoning Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide. Illuminating Gas Poisoning,Poisoning, Carbon Monoxide,Poisoning, Illuminating Gas,Carbon Monoxide Poisonings,Gas Poisoning, Illuminating,Gas Poisonings, Illuminating,Illuminating Gas Poisonings,Monoxide Poisoning, Carbon,Monoxide Poisonings, Carbon,Poisonings, Carbon Monoxide,Poisonings, Illuminating Gas
D002531 Cerebellum The part of brain that lies behind the BRAIN STEM in the posterior base of skull (CRANIAL FOSSA, POSTERIOR). It is also known as the "little brain" with convolutions similar to those of CEREBRAL CORTEX, inner white matter, and deep cerebellar nuclei. Its function is to coordinate voluntary movements, maintain balance, and learn motor skills. Cerebella,Corpus Cerebelli,Parencephalon,Cerebellums,Parencephalons
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D004734 Energy Metabolism The chemical reactions involved in the production and utilization of various forms of energy in cells. Bioenergetics,Energy Expenditure,Bioenergetic,Energy Expenditures,Energy Metabolisms,Expenditure, Energy,Expenditures, Energy,Metabolism, Energy,Metabolisms, Energy
D005947 Glucose A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement. Dextrose,Anhydrous Dextrose,D-Glucose,Glucose Monohydrate,Glucose, (DL)-Isomer,Glucose, (alpha-D)-Isomer,Glucose, (beta-D)-Isomer,D Glucose,Dextrose, Anhydrous,Monohydrate, Glucose
D006624 Hippocampus A curved elevation of GRAY MATTER extending the entire length of the floor of the TEMPORAL HORN of the LATERAL VENTRICLE (see also TEMPORAL LOBE). The hippocampus proper, subiculum, and DENTATE GYRUS constitute the hippocampal formation. Sometimes authors include the ENTORHINAL CORTEX in the hippocampal formation. Ammon Horn,Cornu Ammonis,Hippocampal Formation,Subiculum,Ammon's Horn,Hippocampus Proper,Ammons Horn,Formation, Hippocampal,Formations, Hippocampal,Hippocampal Formations,Hippocampus Propers,Horn, Ammon,Horn, Ammon's,Proper, Hippocampus,Propers, Hippocampus,Subiculums

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