2023
Cortical GABA Levels Are Reduced in Post-Acute COVID-19 Syndrome
Marinkovic K, White D, Myers A, Parker K, Arienzo D, Mason G. Cortical GABA Levels Are Reduced in Post-Acute COVID-19 Syndrome. Brain Sciences 2023, 13: 1666. PMID: 38137114, PMCID: PMC10741691, DOI: 10.3390/brainsci13121666.Peer-Reviewed Original ResearchAcute COVID-19 illnessCOVID-19 illnessGABA levelsN-acetylaspartatePost-acute COVID-19 syndromeCortical GABA levelsPersistent cognitive dysfunctionPost-acute sequelaeCOVID-19 syndromeExcitation/inhibition imbalancePoor sleep qualityProton magnetic resonance spectroscopyDepression/anxietyQuality of lifePersistent neuroinflammationBrain fogCortical hyperexcitabilityLong COVIDAlcohol intakeCognitive dysfunctionNeuronal integrityNeurocognitive dysfunctionNeurochemical aspectsSleep qualityOccipital cortex
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
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 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 imaging
1994
Detection of brain glutamate and glutamine in spectroscopic images at 4.1 T
Mason G, Pan J, Ponder S, Twieg D, Pohost G, Hetherington H. Detection of brain glutamate and glutamine in spectroscopic images at 4.1 T. Magnetic Resonance In Medicine 1994, 32: 142-145. PMID: 7916115, DOI: 10.1002/mrm.1910320121.Peer-Reviewed Original Research