2023
Reproducibility of 13C labeling of glutamate and glutamine in human brain using selPOCE MRS at 7T upon [U-13C]-labeled glucose infusion
Ahmadian N, Jacobs S, Gosselink M, van der Kemp W, Hoogduin H, Coppoli A, Mason G, de Graaf R, Norouzizadeh H, Mahon C, van Marle S, van Eijsden P, Cerneus D, Miller C, De Lepeleire I, Basile A, Klomp D, Prompers J, Wiegers E. Reproducibility of 13C labeling of glutamate and glutamine in human brain using selPOCE MRS at 7T upon [U-13C]-labeled glucose infusion. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/5332.Peer-Reviewed Original ResearchLabeling of glutamateHealthy participantsHuman brainNeurotransmitter cyclingTest-retest measurements
2020
Impaired neuronal and astroglial metabolic activity in chronic unpredictable mild stress model of depression: Reversal of behavioral and metabolic deficit with lanicemine
Mishra PK, Adusumilli M, Deolal P, Mason GF, Kumar A, Patel AB. Impaired neuronal and astroglial metabolic activity in chronic unpredictable mild stress model of depression: Reversal of behavioral and metabolic deficit with lanicemine. Neurochemistry International 2020, 137: 104750. PMID: 32360130, DOI: 10.1016/j.neuint.2020.104750.Peer-Reviewed Original ResearchConceptsChronic unpredictable mild stressCUMS micePrefrontal cortexChronic unpredictable mild stress (CUMS) modelNeurotransmitter cyclingThree-compartment metabolic modelUnpredictable mild stressCause of disabilityNMDA receptor antagonistPotential therapeutic roleMajor depressive disorderAstrocytic TCA cycleNeural metabolic activityMetabolic activityGABAergic neuronsInhibitory neurotransmissionReceptor antagonistSwim testSucrose preferenceC57BL6 miceDepressive disorderTherapeutic roleChronic depressionGlutamatergic pathwaysMetabolic deficits
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
2006
Measurements of the anaplerotic rate in the human cerebral cortex using 13C magnetic resonance spectroscopy and [1‐13C] and [2‐13C] glucose
Mason GF, Petersen KF, De Graaf RA, Shulman GI, Rothman DL. Measurements of the anaplerotic rate in the human cerebral cortex using 13C magnetic resonance spectroscopy and [1‐13C] and [2‐13C] glucose. Journal Of Neurochemistry 2006, 100: 73-86. PMID: 17076763, PMCID: PMC2995551, DOI: 10.1111/j.1471-4159.2006.04200.x.Peer-Reviewed Original ResearchConceptsHuman cerebral cortexCerebral cortexArterial-venous differencesAwake humansNeurotransmitter cyclingGlutamine effluxNeurotransmitter traffickingOccipital-parietal regionsGlutamateCortexPyruvate carboxylase fluxRecent studiesGlutamine synthesisPyruvate carboxylaseMagnetic resonance spectroscopyMost studiesGlutaminePyruvate dehydrogenase
1998
Functional Energy Metabolism:In vivo 13C-NMR Spectroscopy Evidence for Coupling of Cerebral Glucose Consumption and Gl utamatergic Neuronal Activity
Sibson N, Shen J, Mason G, Rothman D, Behar K, Shulman R. Functional Energy Metabolism:In vivo 13C-NMR Spectroscopy Evidence for Coupling of Cerebral Glucose Consumption and Gl utamatergic Neuronal Activity. Developmental Neuroscience 1998, 20: 321-330. PMID: 9778568, DOI: 10.1159/000017327.Peer-Reviewed Original ResearchConceptsRat brain cortexGlucose metabolismBrain cortexNeurotransmitter cyclingTotal glucose oxidationGlutamatergic synaptic activityCerebral glucose consumptionCerebral glucose metabolismFunctional activityFunctional imaging methodsGlucose oxidationOxidative glucose metabolismGlutamate neurotransmitter cyclingSynaptic activityNeuronal activityMild anesthesiaGlutamine synthesisMammalian brainNeurotransmitter releaseGlutamate cyclingEEG activityAmmonia metabolismNeurophysiological basisDetoxification componentsVivo results