2017
Blunted rise in brain glucose levels during hyperglycemia in adults with obesity and T2DM
Hwang JJ, Jiang L, Hamza M, Rangel E, Dai F, Belfort-DeAguiar R, Parikh L, Koo BB, Rothman DL, Mason G, Sherwin RS. Blunted rise in brain glucose levels during hyperglycemia in adults with obesity and T2DM. JCI Insight 2017, 2: e95913. PMID: 29046482, PMCID: PMC5846903, DOI: 10.1172/jci.insight.95913.Peer-Reviewed Original ResearchConceptsGlucose levelsPlasma free fatty acid levelsSimilar plasma glucose levelsFree fatty acid levelsCerebral glucose metabolismPlasma glucose levelsBrain glucose levelsFatty acid levelsAltered feeding behaviorGlucose incrementHyperglycemic clampBrain glucoseCerebral functionLean participantsOccipital lobeRodent modelsGlucose metabolismObesityT2DMGlucose responseHyperglycemiaNeurocognitive consequencesSimilar findingsAcid levelsIntracerebral glucoseFluorodeoxyglucose metabolism associated with tau‐amyloid interaction predicts memory decline
Hanseeuw B, Betensky R, Schultz A, Papp K, Mormino E, Sepulcre J, Bark J, Cosio D, LaPoint M, Chhatwal J, Rentz D, Sperling R, Johnson K. Fluorodeoxyglucose metabolism associated with tau‐amyloid interaction predicts memory decline. Annals Of Neurology 2017, 81: 583-596. PMID: 28253546, PMCID: PMC5404378, DOI: 10.1002/ana.24910.Peer-Reviewed Original ResearchConceptsMemory declineFrontal hypometabolismHarvard Aging Brain StudyAssociated with frontal hypometabolismCourse of preclinical ADAssociated with memory lossAging Brain StudySignificant memory declinePreclinical Alzheimer's diseaseCerebral glucose metabolismAlzheimer's diseaseCingulate metabolismPosterior cingulate metabolismEntorhinal tauEntorhinal cortexPositron emission tomographyPittsburgh compound BPreclinical ADBrain studiesMemory lossImpact of amyloidOlder adultsHypometabolismAge-related tauopathyEmission tomography
2015
A phase Ib multiple ascending dose study of the safety, tolerability, and central nervous system availability of AZD0530 (saracatinib) in Alzheimer’s disease
Nygaard HB, Wagner AF, Bowen GS, Good SP, MacAvoy MG, Strittmatter KA, Kaufman AC, Rosenberg BJ, Sekine-Konno T, Varma P, Chen K, Koleske AJ, Reiman EM, Strittmatter SM, van Dyck CH. A phase Ib multiple ascending dose study of the safety, tolerability, and central nervous system availability of AZD0530 (saracatinib) in Alzheimer’s disease. Alzheimer's Research & Therapy 2015, 7: 35. PMID: 25874001, PMCID: PMC4396171, DOI: 10.1186/s13195-015-0119-0.Peer-Reviewed Original ResearchRegional cerebral glucose metabolismCerebral glucose metabolismTreatment of patientsClinical efficacy measuresModerate Alzheimer's diseaseAlzheimer's diseaseEfficacy measuresGlucose metabolismCentral nervous system availabilityMultiple ascending dose studyFluorodeoxyglucose positron emission tomographyPhase IIa clinical trialMini-Mental State Examination scoreCentral nervous system penetrationPromising new therapeutic targetCSF drug levelsMultiple ascending doseOligomeric amyloid betaPhase Ib trialPlacebo-controlled trialAscending dose studyCongestive heart failureCerebrospinal fluid penetrationDisease-modifying therapiesIIa clinical trial
2013
Oxidation of ethanol in the rat brain and effects associated with chronic ethanol exposure
Wang J, Du H, Jiang L, Ma X, de Graaf RA, Behar KL, Mason GF. Oxidation of ethanol in the rat brain and effects associated with chronic ethanol exposure. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 14444-14449. PMID: 23940368, PMCID: PMC3761635, DOI: 10.1073/pnas.1306011110.Peer-Reviewed Original ResearchConceptsChronic ethanol exposureEthanol-naïve ratsAlcohol exposureEthanol exposureAdult male Sprague-Dawley ratsMale Sprague-Dawley ratsMin/Chronic alcohol exposureCerebral glucose metabolismAcute alcohol exposureEthanol-treated ratsSprague-Dawley ratsCortical astrogliaOverall oxidative metabolismRat brainGlucose metabolismRatsRoom airLiving brainAstrogliaSubcortical tissueOxidative metabolismNeuronsBrainOxidative damage
2011
Neuronal dysfunction and disconnection of cortical hubs in non-demented subjects with elevated amyloid burden
Drzezga A, Becker J, Van Dijk K, Sreenivasan A, Talukdar T, Sullivan C, Schultz A, Sepulcre J, Putcha D, Greve D, Johnson K, Sperling R. Neuronal dysfunction and disconnection of cortical hubs in non-demented subjects with elevated amyloid burden. Brain 2011, 134: 1635-1646. PMID: 21490054, PMCID: PMC3102239, DOI: 10.1093/brain/awr066.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAlzheimer DiseaseAmyloidAniline CompoundsBenzothiazolesBrain MappingCerebral CortexCognition DisordersFemaleFluorodeoxyglucose F18HumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedOxygenPositron-Emission TomographyStatistics as TopicThiazolesConceptsWhole-brain connectivityDisruption of functional connectivityCortical hubsEarly functional consequencesMild cognitive impairmentFunctional connectivityAmyloid burdenCognitive impairmentNon-demented older individualsVoxel-based morphometry measuresAmyloid-positive patientsStructural magnetic resonanceDisruption of connectivityEmission tomographyCerebral glucose metabolismAlzheimer-type neurodegenerationAssociated with neuronal dysfunctionClinical Alzheimer's diseaseNon-demented subjectsCognitive symptomsIncreased amyloid burdenBrain regionsFunctional disconnectionNeuronal dysfunctionWhole-brain
2005
Omission of serial arterial blood sampling in neuroreceptor imaging with independent component analysis
Naganawa M, Kimura Y, Nariai T, Ishii K, Oda K, Manabe Y, Chihara K, Ishiwata K. Omission of serial arterial blood sampling in neuroreceptor imaging with independent component analysis. NeuroImage 2005, 26: 885-890. PMID: 15955498, DOI: 10.1016/j.neuroimage.2005.02.025.Peer-Reviewed Original ResearchConceptsArterial blood samplingBlood samplingCerebral glucose metabolismAdenosine A1 receptorsTotal distribution volumeSerial arterial blood samplingLogan plotPET imagesPlasma time-activity curveA1 receptorsHealthy subjectsGlucose metabolismTime-activity curvesDistribution volumeBrain diseasesDVTReference regionSubjectsParametric imagesDynamic PET images
2004
Neuroimaging Studies in Eating Disorders
Frank G, Bailer U, Henry S, Wagner A, Kaye W. Neuroimaging Studies in Eating Disorders. CNS Spectrums 2004, 9: 539-549. PMID: 15208513, DOI: 10.1017/s1092852900009639.Peer-Reviewed Original ResearchConceptsMagnet resonance spectroscopyBulimia nervosaWhite matter volume lossBody image distortionRegional cerebral blood flowCerebral glucose metabolismCerebral blood flowSimilar brain regionsSerotonin metabolismBrain phospholipidsBlood flowGlucose metabolismBrain pathwaysAnorexiaBrain regionsIll stateAppetitive behaviorNeuroimaging studiesParietal regionsEating DisordersDisordersVolume lossSuch studiesMost studiesMetabolism
2001
Neuroimaging in alzheimer’s disease: Relevance for treatment
van Dyck C. Neuroimaging in alzheimer’s disease: Relevance for treatment. Current Psychiatry Reports 2001, 3: 13-19. PMID: 11177754, DOI: 10.1007/s11920-001-0066-2.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD patientsRegional cerebral glucose metabolismRegional cerebral blood flowApolipoprotein E e4 alleleAnti-amyloid therapiesCerebral glucose metabolismDisease-modifying agentsCentral cholinergic neurotransmissionWhole brain atrophyCerebral blood flowPutative disease-modifying agentsWidespread clinical testingStructural magnetic resonanceBrain atrophyPrevention therapyInvestigational trialsAsymptomatic subjectsEfficacy measuresCholinergic neurotransmissionE4 alleleSenile plaquesDrug dosingOutcome measuresBlood flow
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 resultsDecreased brain glucose utilization in patients with Cushing's disease.
Brunetti A, Fulham M, Aloj L, De Souza B, Nieman L, Oldfield E, Di Chiro G. Decreased brain glucose utilization in patients with Cushing's disease. Journal Of Nuclear Medicine 1998, 39: 786-90. PMID: 9591575.Peer-Reviewed Original ResearchConceptsCushing's diseaseCerebral glucose metabolismGlucose metabolismPET scansDecreased brain glucose utilizationIncreased plasma glucocorticoid levelsRadiotracer 18F-fluorodeoxyglucoseFDG-PET scansGlucocorticoid levelsAge-matched normal control subjectsFDG-PET studiesNormal control subjectsPlasma glucocorticoid levelsIncreased glucose metabolismIncreased glucocorticoid levelsMeasurements of cerebral glucose metabolismPostsurgery valuesDecreased cerebral glucose metabolismPituitary adenomasAbnormal cerebral glucose metabolismSurgical removalBrain glucose utilizationControl subjectsCentral actionCushing
1992
NMR Determination of the TCA Cycle Rate and α-Ketoglutarate/Glutamate Exchange Rate in Rat Brain
Mason G, Rothman D, Behar K, Shulman R. NMR Determination of the TCA Cycle Rate and α-Ketoglutarate/Glutamate Exchange Rate in Rat Brain. Cerebrovascular And Brain Metabolism Reviews 1992, 12: 434-447. PMID: 1349022, DOI: 10.1038/jcbfm.1992.61.Peer-Reviewed Original Research
1991
Physostigmine in Alzheimer's disease: effects on cognitive functioning, cerebral glucose metabolism analyzed by positron emission tomography and cerebral blood flow analyzed by single photon emission tomography
Tune L, Brandt J, Frost J, Harris G, Mayberg H, Steele C, Burns A, Sapp J, Folstein M, Wagner H, Pearlson G. Physostigmine in Alzheimer's disease: effects on cognitive functioning, cerebral glucose metabolism analyzed by positron emission tomography and cerebral blood flow analyzed by single photon emission tomography. Acta Psychiatrica Scandinavica 1991, 83: 61-65. PMID: 1897377, DOI: 10.1111/j.1600-0447.1991.tb03111.x.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlzheimer DiseaseAmphetaminesBlood GlucoseBrainCerebrovascular CirculationDeoxyglucoseDose-Response Relationship, DrugDrug Administration ScheduleFemaleFluorodeoxyglucose F18HumansMaleMiddle AgedNeuropsychological TestsPhysostigminePilot ProjectsTomography, Emission-ComputedTomography, Emission-Computed, Single-PhotonConceptsCerebral glucose metabolismCerebral blood flowSingle photon emission tomographyPhoton emission tomographyPositron emission tomographyBlood flowEmission tomographyGlucose metabolismAlzheimer's diseaseRegional cerebral glucose metabolismSignificant clinical improvementCognitive functioningClinical improvementMost patientsIntravenous administrationPatientsDiseasePhysostigmineTomographyBrain activityPreliminary findingsMetabolismPronounced improvementPathophysiologyIllness
1987
Regional Cerebral Glucose Phosphorylation and Blood Flow After Insertion of a Microdialysis Fiber Through the Dorsal Hippocampus in the Rat
Benveniste H, Drejer J, Schousboe A, Diemer N. Regional Cerebral Glucose Phosphorylation and Blood Flow After Insertion of a Microdialysis Fiber Through the Dorsal Hippocampus in the Rat. Journal Of Neurochemistry 1987, 49: 729-734. PMID: 3612121, DOI: 10.1111/j.1471-4159.1987.tb00954.x.Peer-Reviewed Original ResearchConceptsLocal cerebral blood flowBlood flowDorsal hippocampusGlucose metabolismMicrodialysis fibersLocal cerebral glucose metabolismCerebral glucose metabolismCerebral blood flowRat dorsal hippocampusGlucose phosphorylationNear normalizationFocal disturbanceRecovery periodPronounced disturbancesHippocampusRatsImplantationMetabolismPhosphorylationRecovery timeGliosisSlight reductionLCMRglcLCMRglu
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