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
2010
Regional metabolite levels and turnover in the awake rat brain under the influence of nicotine
Wang J, Jiang L, Jiang Y, Ma X, Chowdhury GM, Mason GF. Regional metabolite levels and turnover in the awake rat brain under the influence of nicotine. Journal Of Neurochemistry 2010, 113: 1447-1458. PMID: 20345764, PMCID: PMC2903655, DOI: 10.1111/j.1471-4159.2010.06684.x.Peer-Reviewed Original ResearchConceptsRat brainN-acetylaspartateAcute nicotine treatmentBrain glucose oxidationAmino acid neurotransmittersInfluence of nicotineConcentration of glutamateRegional metabolite levelsAwake rat brainRelated neurochemicalsNicotine treatmentInhibitory neurotransmissionAcute effectsOlfactory bulbOccipital cortexNeurotransmitter cyclingGABA synthesisNicotineStriatumBrainMetabolite levelsWidespread drugGABACortexPotential interplay
2009
Altered Brain Mitochondrial Metabolism in Healthy Aging as Assessed by in vivo Magnetic Resonance Spectroscopy
Boumezbeur F, Mason GF, de Graaf RA, Behar KL, Cline GW, Shulman GI, Rothman DL, Petersen KF. Altered Brain Mitochondrial Metabolism in Healthy Aging as Assessed by in vivo Magnetic Resonance Spectroscopy. Cerebrovascular And Brain Metabolism Reviews 2009, 30: 211-221. PMID: 19794401, PMCID: PMC2949111, DOI: 10.1038/jcbfm.2009.197.Peer-Reviewed Original ResearchConceptsNeuronal mitochondrial metabolismHealthy agingBrain mitochondrial metabolismElderly subjectsYoung subjectsBrain functionBrain mitochondrial functionGlutamate-glutamine cyclingMitochondrial metabolismVivo magnetic resonance spectroscopyAge-related changesChronic reductionLabeling of glutamineGlutamate concentrationYoung volunteersBiologic basisMagnetic resonance spectroscopyMitochondrial functionMetabolismSubjectsIndividual subjectsResonance spectroscopyTricarboxylic acid cycleCycle fluxAging
1996
Quantitative 1H spectroscopic imaging of human brain at 4.1 T using image segmentation
Hetherington H, Pan J, Mason G, Adams D, Vaughn M, Twieg D, Pohost G. Quantitative 1H spectroscopic imaging of human brain at 4.1 T using image segmentation. Magnetic Resonance In Medicine 1996, 36: 21-29. PMID: 8795016, DOI: 10.1002/mrm.1910360106.Peer-Reviewed Original ResearchSpectroscopic imaging of human brain glutamate by water‐suppressed J‐refocused coherence transfer at 4.1 T
Pan J, Mason G, Pohost G, Hetherington H. Spectroscopic imaging of human brain glutamate by water‐suppressed J‐refocused coherence transfer at 4.1 T. Magnetic Resonance In Medicine 1996, 36: 7-12. PMID: 8795013, DOI: 10.1002/mrm.1910360103.Peer-Reviewed Original Research
1995
Proton nuclear magnetic resonance spectroscopic imaging of human temporal lobe epilepsy at 4.1 T
Hetherington H, Kuzniecky R, Pan J, Mason G, Morawetz R, Harris C, Faught E, Vaughan T, Pohost G. Proton nuclear magnetic resonance spectroscopic imaging of human temporal lobe epilepsy at 4.1 T. Annals Of Neurology 1995, 38: 396-404. PMID: 7668825, DOI: 10.1002/ana.410380309.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyMagnetic resonance spectroscopic imagingProton magnetic resonance spectroscopic imagingLobe epilepsyAcetylaspartate ratioMetabolic abnormalitiesEpileptic focusBilateral independent seizure onsetHuman temporal lobe epilepsyIntractable temporal lobe epilepsyIntracranial electroencephalographic studiesOperated temporal lobeNormal control subjectsDistinctive metabolic profileMagnetic resonance imagingContralateral abnormalitiesControl subjectsSeizure onsetCholine levelsHealthy volunteersN-acetylaspartateTemporal lobePatientsEpilepsyResonance imagingNumerically Optimized Experiment Design for Measurement of Grey/White Matter Metabolite T2 in High-Resolution Spectroscopic Images of Brain
Mason G, Pohost G, Hetherington H. Numerically Optimized Experiment Design for Measurement of Grey/White Matter Metabolite T2 in High-Resolution Spectroscopic Images of Brain. Journal Of Magnetic Resonance 1995, 107: 68-73. PMID: 7743075, DOI: 10.1006/jmrb.1995.1059.Peer-Reviewed Original Research
1994
Evaluation of cerebral gray and white matter metabolite differences by spectroscopic imaging at 4.1T
Hetherington H, Mason G, Pan J, Ponder S, Vaughan J, Twieg D, Pohost G. Evaluation of cerebral gray and white matter metabolite differences by spectroscopic imaging at 4.1T. Magnetic Resonance In Medicine 1994, 32: 565-571. PMID: 7808257, DOI: 10.1002/mrm.1910320504.Peer-Reviewed Original ResearchLocalized 13C NMR Spectroscopy in the Human Brain of Amino Acid Labeling from d‐[1‐13C]Glucose
Gruetter R, Novotny E, Boulware S, Mason G, Rothman D, Shulman G, Prichard J, Shulman R. Localized 13C NMR Spectroscopy in the Human Brain of Amino Acid Labeling from d‐[1‐13C]Glucose. Journal Of Neurochemistry 1994, 63: 1377-1385. PMID: 7931289, DOI: 10.1046/j.1471-4159.1994.63041377.x.Peer-Reviewed Original Research