2001
In vivo13C NMR measurement of neurotransmitter glutamate cycling, anaplerosis and TCA cycle flux in rat brain during [2‐13C]glucose infusion
Sibson N, Mason G, Shen J, Cline G, Herskovits A, Wall J, Behar K, Rothman D, Shulman R. In vivo13C NMR measurement of neurotransmitter glutamate cycling, anaplerosis and TCA cycle flux in rat brain during [2‐13C]glucose infusion. Journal Of Neurochemistry 2001, 76: 975-989. PMID: 11181817, DOI: 10.1046/j.1471-4159.2001.00074.x.Peer-Reviewed Original ResearchConceptsGlutamate/glutamine cyclingCerebral cortexAstrocytic tricarboxylic acid cycleGlutamine cyclingRat cerebral cortexGlutamine synthesisDe novo glutamine synthesisAnesthetized ratsRat brainNeurotransmitter glutamateHyperammonemic conditionsGlutamate cyclingInfusionGlutamate precursorCortexBrainTCA cycle fluxAnaplerosisMajor metabolic fluxTricarboxylic acid cycleCycle flux
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