2006
Neuronal–Glial Glucose Oxidation and Glutamatergic–GABAergic Function
Hyder F, Patel AB, Gjedde A, Rothman DL, Behar KL, Shulman RG. Neuronal–Glial Glucose Oxidation and Glutamatergic–GABAergic Function. Cerebrovascular And Brain Metabolism Reviews 2006, 26: 865-877. PMID: 16407855, DOI: 10.1038/sj.jcbfm.9600263.Peer-Reviewed Original ResearchConceptsGamma-amino butyric acid (GABA) neuronsNeuronal glucose oxidationGlutamate-glutamine cyclingRelease of lactateGlucose oxidationNeuronal oxidationGlial uptakeGABAergic neuronsGlutamate uptakeGliaNeuronsGlycolytic ATPLactateGlucoseTotal glucoseVivo rateIsoelectricityCulture studiesATPNeurotransmittersUptake
2001
Differential increase in cerebral cortical glucose oxidative metabolism during rat postnatal development is greater in vivo than in vitro
Novotny E, Ariyan C, Mason G, O’Reilly J, Haddad G, Behar K. Differential increase in cerebral cortical glucose oxidative metabolism during rat postnatal development is greater in vivo than in vitro. Brain Research 2001, 888: 193-202. PMID: 11150475, DOI: 10.1016/s0006-8993(00)03051-1.Peer-Reviewed Original ResearchConceptsGlucose oxidative metabolismNeocortical slicesOxidative metabolismRat postnatal developmentCortical glutamateCerebral cortexCortex maturesPostnatal dayPostnatal developmentAge groupsCortexMitochondrial TCA cycleGreater increaseVivoGlucose oxidationTCA cycle fluxDifferential increaseAcid extractsMetabolismSlicesDeafferentiationCycle fluxRats
2000
Brain regional development of the activity of α-ketoglutarate dehydrogenase complex in the rat
Buerstatte C, Behar K, Novotny E, Lai J. Brain regional development of the activity of α-ketoglutarate dehydrogenase complex in the rat. Brain Research 2000, 125: 139-145. PMID: 11154769, DOI: 10.1016/s0165-3806(00)00134-6.Peer-Reviewed Original ResearchConceptsAdult levelsKGDHC activityCerebral cortexOlfactory bulbPostnatal day 2Age-dependent increaseGlucose oxidative metabolismAlpha-ketoglutarate dehydrogenase complex activityRat brainDay 2Pathophysiological implicationsPostnatal developmentDistinct region-specific patternsNeurotransmitter synthesisRegion-specific patternsOxidative metabolismDehydrogenase complex activityHippocampusStriatumEnergy metabolismCerebellumP30TCA cycle fluxP17P10
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
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
1997
Oxidative Glucose Metabolism in Rat Brain During Single Forepaw Stimulation: A Spatially Localized 1H[13C] Nuclear Magnetic Resonance Study
Hyder F, Rothman* D, Mason† G, Rangarajan A, Behar‡ K, Shulman R. Oxidative Glucose Metabolism in Rat Brain During Single Forepaw Stimulation: A Spatially Localized 1H[13C] Nuclear Magnetic Resonance Study. Cerebrovascular And Brain Metabolism Reviews 1997, 17: 1040-1047. PMID: 9346428, DOI: 10.1097/00004647-199710000-00005.Peer-Reviewed Original Research