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Title: Temporal changes in liver, blood, and brain glucose, glycogen, and beta-hydroxybutyrate after ethanol in C57BL/6J mice. Author: Schreiber RA, Ungar AL. Journal: Subst Alcohol Actions Misuse; 1984; 5(5):255-62. PubMed ID: 6533840. Abstract: The time courses of changes in levels of beta-hydroxybutyrate (BOHB), glucose (GLC), and glycogen (GLY) were measured hourly for 7 h after i.p. 2 g/kg ethanol (ETOH) in samples of liver, blood, and brain in 21 day old C57BL/6J mice. After acute ETOH, brain GLC remained at 2.1 mmol/kg for 2 h, fell to a low of 1.5 mmol/kg at 5 h, then rose slightly. Blood GLC remained near 8 mmol/kg until 3 h, then fell. Liver GLC fell steadily from 10.2 to 7.2 mmol/kg at 7 h. Brain GLY rose from 1.7 to 2.9 mmol/kg at 3 h, then fell steadily. Blood GLY increased from 2.7 to 4.6 mmol/kg at 2 h, then fell to 1.7 mmol/kg. Liver GLY decreased from 70 to 30 mmol/kg. BOHB changes were similar in all samples. BOHB in brain fell from 0.12 to 0.08 mmol/kg at 2 to 3 h; then rose steadily to 0.27 mmol/kg at 7 h. Blood and liver BOHB fell from 0.40 to 0.25 mmol/kg, then rose to 1.0 mmol/kg. In a previous study, susceptibility to audiogenic seizures after 2 g/kg ETOH was completely suppressed for up to 1 h, then susceptibility increased to a maximum at 5 1/2 h, when a period of potentiation was observed. In this study, brain GLY levels were increased during the period of protection, and brain GLC levels were decreased during the period of potentiation. Together, these data may lend support to an hypothesis of an indirect effect of ETOH on the brain, leading to changes in susceptibility to audiogenic seizures via changes in metabolite availability.[Abstract] [Full Text] [Related] [New Search]