2011
Intravenous Ethanol Infusion Decreases Human Cortical γ-Aminobutyric Acid and N-Acetylaspartate as Measured with Proton Magnetic Resonance Spectroscopy at 4 Tesla
Gomez R, Behar KL, Watzl J, Weinzimer SA, Gulanski B, Sanacora G, Koretski J, Guidone E, Jiang L, Petrakis IL, Pittman B, Krystal JH, Mason GF. Intravenous Ethanol Infusion Decreases Human Cortical γ-Aminobutyric Acid and N-Acetylaspartate as Measured with Proton Magnetic Resonance Spectroscopy at 4 Tesla. Biological Psychiatry 2011, 71: 239-246. PMID: 21855054, PMCID: PMC3227760, DOI: 10.1016/j.biopsych.2011.06.026.Peer-Reviewed Original ResearchConceptsIntravenous ethanol infusionProton magnetic resonance spectroscopyEthanol infusionNAA levelsN-acetylaspartateCortical γ-aminobutyric acidAcute pharmacologic effectsLevels of GABAHealthy social drinkersBreath alcohol levelsN-acetylaspartyl-glutamateCortical GABAEthanol modulatesFirst infusionΓ-aminobutyric acidGABA levelsPharmacologic effectsBrain ethanolOccipital GABAInfusionAlcohol levelsMagnetic resonance spectroscopyReceptor functionBreath ethanolHuman cortex
1999
Determination of the rate of the glutamate/glutamine cycle in the human brain by in vivo 13C NMR
Shen J, Petersen K, Behar K, Brown P, Nixon T, Mason G, Petroff O, Shulman G, Shulman R, Rothman D. Determination of the rate of the glutamate/glutamine cycle in the human brain by in vivo 13C NMR. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 8235-8240. PMID: 10393978, PMCID: PMC22218, DOI: 10.1073/pnas.96.14.8235.Peer-Reviewed Original ResearchConceptsGlutamate/glutamine cycleGlutamine cycleCerebral cortexMin/Rat cerebral cortexVivo 13C NMR spectraGlucose oxidation ratesHuman brainGlucose oxidationGlutamatergic activityRat modelTricarboxylic acid cycle rateParietal lobeHuman cortexCortexTime courseBrainGlutamine synthesisMajor metabolic fluxCycle rateTricarboxylic acid cycleHigh levelsInfusionRatsAcid cycle