2006
Microscopic Fluorescence Studies on Brain Intracellular Ca2+ Responses to Ischemia with and without Ca2+- Channel Blockade
Du C, Wolf A, Perez Y, Yu M, Pan Y, Benveniste H. Microscopic Fluorescence Studies on Brain Intracellular Ca2+ Responses to Ischemia with and without Ca2+- Channel Blockade. 2006, tui62. DOI: 10.1364/bio.2006.tui62.Peer-Reviewed Original Research
2001
Tracking Brain Volume Changes in C57BL/6J and ApoE-Deficient Mice in a Model of Neurodegeneration: A 5-Week Longitudinal Micro-MRI Study
McDaniel B, Sheng H, Warner D, Hedlund L, Benveniste H. Tracking Brain Volume Changes in C57BL/6J and ApoE-Deficient Mice in a Model of Neurodegeneration: A 5-Week Longitudinal Micro-MRI Study. NeuroImage 2001, 14: 1244-1255. PMID: 11707081, DOI: 10.1006/nimg.2001.0934.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApolipoproteins EAtrophyBrainBrain IschemiaBrain MappingCerebral VentriclesDisease Models, AnimalHippocampusImage EnhancementImage Processing, Computer-AssistedImaging, Three-DimensionalMagnetic Resonance ImagingMaleMiceMice, Inbred C57BLMice, Neurologic MutantsMicroscopyNeurodegenerative DiseasesProsencephalonConceptsApoE-deficient miceModels of neurodegenerationPostischemic dayBrain atrophyMouse modelNeurodegenerative diseasesDorsal hippocampal volumeBrain volume changesMin of ischemiaHigh signal intensity areaTransgenic mouse modelProgression of pathologyCorresponding time pointsSignal intensity areaMagnetic resonance imagingHigh-resolution MRIT1-weighted MR imagingC57 miceDorsal hippocampusHippocampal volumeClinical conditionsIschemiaMRI studiesPredetermined protocolCognitive decline
1993
Inhibition of nitric oxide synthase increases extracellular cerebral glutamate concentration after global ischemia
Zhang J, Benveniste H, Piantadosi C. Inhibition of nitric oxide synthase increases extracellular cerebral glutamate concentration after global ischemia. Neuroscience Letters 1993, 157: 179-182. PMID: 7694195, DOI: 10.1016/0304-3940(93)90731-y.Peer-Reviewed Original ResearchConceptsGlutamate releaseGlutamate concentrationNitric oxide synthase inhibitionCerebral glutamate concentrationsOxide synthase inhibitionGlobal brain ischemiaInhibition of NOSNitric oxide synthaseExtracellular glutamate releaseCerebral microdialysisBrain ischemiaForebrain ischemiaControl ratsGlobal ischemiaNOS inhibitorOxide synthaseSynthase inhibitionCarotid arteryBrain flowDialysis probeIschemiaDialysate concentrationsControl valuesRatsReperfusionMicrodialysis measurements of PGD2, TXB2 and 6-keto-PGF1α in rat CA1 hippocampus during transient cerebral ischemia
Huttemeier P, Kamiyama Y, Su M, Watkins W, Benveniste H. Microdialysis measurements of PGD2, TXB2 and 6-keto-PGF1α in rat CA1 hippocampus during transient cerebral ischemia. Prostaglandins 1993, 45: 177-187. PMID: 8430228, DOI: 10.1016/0090-6980(93)90033-4.Peer-Reviewed Original ResearchConceptsCerebral ischemiaPGF1 alphaMicrodialysis probeRat CA1 hippocampusGlobal cerebral ischemiaTransient cerebral ischemiaRole of PGD2Arachidonic acid metabolismAverage peak concentrationDistinct brain regionsIschemic brainEicosanoid concentrationsCA1 hippocampusEicosanoid releaseAA metabolitesPG metabolitesMicrodialysis measurementsBaseline levelsBrain regionsIschemiaPGD2TXB2Implanted microdialysis probesPeak concentrationAcid metabolismHydrogen Peroxide Production by Monoamine Oxidase during Ischemia-Reperfusion in the Rat Brain
Simonson S, Zhang J, Canada A, Su Y, Benveniste H, Piantadosi C. Hydrogen Peroxide Production by Monoamine Oxidase during Ischemia-Reperfusion in the Rat Brain. Cerebrovascular And Brain Metabolism Reviews 1993, 13: 125-134. PMID: 8417001, DOI: 10.1038/jcbfm.1993.15.Peer-Reviewed Original ResearchConceptsInhibition of MAOMonoamine oxidaseRat brainMAO inhibitorsForebrain blood flowMin of ischemiaBrain reperfusionIschemia reperfusionCatecholamine concentrationsBlood flowForebrain homogenatesReperfusionIschemiaGlutathione peroxidaseGlutathione concentrationBiochemical indicationsThreefold increaseBrainInhibitorsInhibitionH2O2 productionSurvivalHydrogen peroxide productionCatalasePeroxide production
1992
EFFECTS OF DANTROLENE ON HISTOLOGICAL OUTCOME IN RAT CAL HIPPOCAMPUS AFTER GLOBAL TRANSIENT CEREBRAL ISCHEMIA
KAMIYAMA Y, SHIRAISHI M, BENVENISTE H, WATKINS W, HüTTEMEIER P. EFFECTS OF DANTROLENE ON HISTOLOGICAL OUTCOME IN RAT CAL HIPPOCAMPUS AFTER GLOBAL TRANSIENT CEREBRAL ISCHEMIA. Anesthesiology 1992, 77: a781. DOI: 10.1097/00000542-199209001-00781.Peer-Reviewed Original ResearchMechanism of detection of acute cerebral ischemia in rats by diffusion-weighted magnetic resonance microscopy.
Benveniste H, Hedlund L, Johnson G. Mechanism of detection of acute cerebral ischemia in rats by diffusion-weighted magnetic resonance microscopy. Stroke 1992, 23: 746-754. PMID: 1374575, DOI: 10.1161/01.str.23.5.746.Peer-Reviewed Original ResearchConceptsAcute cerebral ischemiaCerebral ischemiaApparent diffusion coefficientOuabain exposureDiffusion-weighted magnetic resonance microscopyApparent diffusion coefficient reductionRight middle cerebral arteryIpsilateral common carotid arteryN-methyl-D-aspartate exposureFocal cerebral ischemiaMiddle cerebral arteryCommon carotid arteryApparent diffusion coefficient (ADC) valuesRat brain tissueTissue apparent diffusion coefficientCerebral arteryMicrodialysis membraneGlutamate exposureCorpus striatumOlfactory cortexCarotid arterySprague-DawleyBrain tissueIschemiaArtery
1990
A715 Microdialysis measurements of arachidonic acid metabolites in rat CA1 hippocampus during transient cerebral ischemia
Benveniste H, Huttemeier P, Brothers M, Watkins W. A715 Microdialysis measurements of arachidonic acid metabolites in rat CA1 hippocampus during transient cerebral ischemia. Anesthesiology 1990, 73: na. DOI: 10.1097/00000542-199009001-00713.Peer-Reviewed Original Research
1989
Ischemic Damage in Hippocampal CA1 is Dependent on Glutamate Release and Intact Innervation from CA3
Benveniste H, Jørgensen M, Sandberg M, Christensen T, Hagberg H, Diemer N. Ischemic Damage in Hippocampal CA1 is Dependent on Glutamate Release and Intact Innervation from CA3. Cerebrovascular And Brain Metabolism Reviews 1989, 9: 629-639. PMID: 2570785, DOI: 10.1038/jcbfm.1989.90.Peer-Reviewed Original ResearchConceptsCA1 regionPyramidal cellsGlutamate releaseIntact innervationHippocampal tissueCA1 tissueInjection siteIschemia-induced releaseIschemia-induced damageTransient global ischemiaCA1 pyramidal cellsRelease of glutamateGlutamatergic afferentsIschemic damageHippocampal CA1CA1 pyramidsGlobal ischemiaCA3 regionPathogenetic significanceIschemiaNeurotoxic potentialCA3CA1GlutamateInnervation
1988
Calcium accumulation by glutamate receptor activation is involved in hippocampal cell damage after ischemia
Benveniste H, Jørgensen M, Diemer N, Hansen A. Calcium accumulation by glutamate receptor activation is involved in hippocampal cell damage after ischemia. Acta Neurologica Scandinavica 1988, 78: 529-536. PMID: 2906199, DOI: 10.1111/j.1600-0404.1988.tb03697.x.Peer-Reviewed Original ResearchConceptsGlutamate N-methyl-D-aspartate receptorN-methyl-D-aspartate receptorsCell damageNerve cell destructionComplete cerebral ischemiaBrain cell damageMin of ischemiaOnset of ischemiaHippocampal cell damageGlutamate receptor activationCA 1 regionRole of intracellularCerebral ischemiaIschemic periodBilateral destructionDenervated hippocampusAfferent inputSynaptic transmissionCalcium influxIschemiaCompetitive antagonistReceptor activationHistological studyCell destructionCalcium accumulationEarly Postischemic 45Ca Accumulation in Rat Dentate Hilus
Benveniste H, Diemer N. Early Postischemic 45Ca Accumulation in Rat Dentate Hilus. Cerebrovascular And Brain Metabolism Reviews 1988, 8: 713-719. PMID: 3417798, DOI: 10.1038/jcbfm.1988.118.Peer-Reviewed Original ResearchMagnesium Inhibits Ischemia Induced Calcium Accumulation in Hilar Neurones: Possible Effect of Nmda-Receptor
Benveniste H, Diemer N. Magnesium Inhibits Ischemia Induced Calcium Accumulation in Hilar Neurones: Possible Effect of Nmda-Receptor. Advances In Behavioral Biology 1988, 35: 377-377. DOI: 10.1007/978-1-4684-5562-5_40.Peer-Reviewed Original ResearchHilar neuronsCA 1 pyramidal cellsN-methyl-D-aspartate receptorsCalcium accumulationIschemic brain damageExcessive calcium accumulationIschemic changesIschemic damageBrain damageNMDA receptorsPyramidal cellsSelective vulnerabilityHilar neuronesCalcium influxIrreversible morphological changesCalcium conductanceIschemiaMorphological damageExcessive accumulationNeuronsPivotal roleMorphological changesHoursPossible effectsDamage
1985
Cellular Origin of Ischemia‐Induced Glutamate Release from Brain Tissue In Vivo and In Vitro
Drejer J, Benveniste H, Diemer N, Schousboe A. Cellular Origin of Ischemia‐Induced Glutamate Release from Brain Tissue In Vivo and In Vitro. Journal Of Neurochemistry 1985, 45: 145-151. PMID: 2860206, DOI: 10.1111/j.1471-4159.1985.tb05486.x.Peer-Reviewed Original ResearchConceptsPotassium-induced releaseGlutamatergic neuronsAspartate uptakeConditions of hypoglycemiaCultured glutamatergic neuronsTransient cerebral ischemiaHigh potassiumExtracellular glutamate contentCerebral ischemiaGlutamate releaseTransmitter poolExtracellular glutamateMicrodialysis techniqueIschemiaBrain tissuePotassium stimulationPerfusion mediumHypoglycemiaGlutamate contentNeuronsInduced increasesCellular originVivo experimentsAstrocytesPrevious reports
1984
Elevation of the Extracellular Concentrations of Glutamate and Aspartate in Rat Hippocampus During Transient Cerebral Ischemia Monitored by Intracerebral Microdialysis
Benveniste H, Drejer J, Schousboe A, Diemer N. Elevation of the Extracellular Concentrations of Glutamate and Aspartate in Rat Hippocampus During Transient Cerebral Ischemia Monitored by Intracerebral Microdialysis. Journal Of Neurochemistry 1984, 43: 1369-1374. PMID: 6149259, DOI: 10.1111/j.1471-4159.1984.tb05396.x.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidCerebral ischemiaIschemic periodTransient complete cerebral ischemiaTransient cerebral ischemiaComplete cerebral ischemiaExtracellular contentAmino acid glutamateDiameter dialysisIntracerebral microdialysisConcentrations of alanineExtracellular glutamateRat hippocampusCertain neuronsTaurine concentrationsIschemiaExtracellular concentrationHippocampusExtracellular fluidRinger's solutionGlutamateSame periodAspartateCausal factorsPeriod