2024
Cerebral Proteomic Changes in the rTg-D Rat Model of Cerebral Amyloid Angiopathy Type-2 With Cortical Microhemorrhages and Cognitive Impairments
Schrader J, Majchrzak M, Xu F, Lee H, Agostinucci K, Davis J, Benveniste H, Van Nostrand W. Cerebral Proteomic Changes in the rTg-D Rat Model of Cerebral Amyloid Angiopathy Type-2 With Cortical Microhemorrhages and Cognitive Impairments. Neuroscience Insights 2024, 19: 26331055241288172. PMID: 39386146, PMCID: PMC11462563, DOI: 10.1177/26331055241288172.Peer-Reviewed Original ResearchCerebral amyloid angiopathyPathogenesis of cerebral amyloid angiopathyTGF-b1Rat modelTGF-b1 levelsType 2Few proteinsSmooth muscle cell lossTransforming growth factor beta 1Wild-type ratsProteomic changesB proteinProteomic analysisPeptidase ATransgenic rat modelPathway analysisMolecular insightsMagnetic resonance imagingCognitive impairmentAlzheimer's diseaseCell lossAmyloid depositsRatsAmyloid angiopathyCortical microhemorrhages
2023
Continuous positive airway pressure (CPAP) increases CSF flow and glymphatic transport
Ozturk B, Koundal S, Al Bizri E, Chen X, Gursky Z, Dai F, Lim A, Heerdt P, Kipnis J, Tannenbaum A, Lee H, Benveniste H. Continuous positive airway pressure (CPAP) increases CSF flow and glymphatic transport. JCI Insight 2023, 8: e170270. PMID: 37159262, PMCID: PMC10371231, DOI: 10.1172/jci.insight.170270.Peer-Reviewed Original ResearchConceptsContinuous positive airway pressurePositive airway pressureGlymphatic transportAirway pressureIntracranial pressureEnd-expiratory lung volumeCSF bulk flowCerebrospinal fluid flowArterial oxygenationUpper airwayLung volumeCPAP deviceRespiratory functionClearance functionTherapeutic benefitSkull baseAnesthetized rodentsCSF flowFluid homeostasisPhysiological testingLymphatic systemFunctional crosstalkClinical devicesAirwayRats
2009
Ventricular dilation and elevated aqueductal pulsations in a new experimental model of communicating hydrocephalus
Wagshul M, McAllister J, Rashid S, Li J, Egnor M, Walker M, Yu M, Smith S, Zhang G, Chen J, Benveniste H. Ventricular dilation and elevated aqueductal pulsations in a new experimental model of communicating hydrocephalus. Experimental Neurology 2009, 218: 33-40. PMID: 19348801, DOI: 10.1016/j.expneurol.2009.03.034.Peer-Reviewed Original ResearchConceptsVentricular dilationAqueductal flowVentricular volumeInjection of kaolinNew experimental modelCSF pulsatilityClinical presentationMild ventriculomegalyVentricular sizeBasal cisternsChronic elevationAbnormal pulsationsCerebral aqueductHydrocephalic animalsEffective treatmentAdult ratsIntact controlsNormal levelsHydrocephalusExperimental modelT MRIRatsMonth periodVentriculomegalyDilation
1997
Extracellular glutamate and dopamine measured by microdialysis in the rat striatum during blockade of synaptic transmission in anesthetized and awake rats
Shiraishi M, Kamiyama Y, Hüttemeier P, Benveniste H. Extracellular glutamate and dopamine measured by microdialysis in the rat striatum during blockade of synaptic transmission in anesthetized and awake rats. Brain Research 1997, 759: 221-227. PMID: 9221940, DOI: 10.1016/s0006-8993(97)00258-8.Peer-Reviewed Original ResearchConceptsGlutamate levelsExtracellular glutamateAwake ratsMicrodialysis probeExtracellular striatal glutamateHalothane-anesthetized ratsNormal female ratsEffects of anesthesiaLower glutamate levelsTTX concentrationsStriatal glutamateBrain interstitialBrain metabolismDialysate dopamineFemale ratsSynaptic transmissionRat striatumMicrodialysis measurementsNeurotoxic potentialTetrodotoxinRatsNon-stimulated conditionsProbe implantationGlutamateAnesthesia
1993
Calcitonin gene-related peptide mediates hypotension and tachycardia in endotoxic rats
Huttemeier P, Ritter E, Benveniste H. Calcitonin gene-related peptide mediates hypotension and tachycardia in endotoxic rats. American Journal Of Physiology 1993, 265: h767-h769. PMID: 8368378, DOI: 10.1152/ajpheart.1993.265.2.h767.Peer-Reviewed Original ResearchConceptsAcute circulatory changesCirculatory changesSurvival rateCalcitonin gene-related peptide concentrationsCalcitonin gene-related peptideMean blood pressureOverall survival rateGene-related peptideRegional blood flowEscherichia coli endotoxinClinical sepsisSevere hypotensionBlood pressureEndotoxic ratsCardiac functionCGRP antagonismColi endotoxinBlood flowUntreated animalsHypotensionTachycardiaSepsisRatsCGRPHCGRPInhibition 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 valuesRatsReperfusion
1991
Decreased glucose utilization in discrete brain regions of rat in thioacetamide‐induced hepatic encephalopathy as measured with [3H]‐deoxyglucose
Hilgier W, Benveniste H, Diemer N, Albrecht J. Decreased glucose utilization in discrete brain regions of rat in thioacetamide‐induced hepatic encephalopathy as measured with [3H]‐deoxyglucose. Acta Neurologica Scandinavica 1991, 83: 353-355. PMID: 1887755, DOI: 10.1111/j.1600-0404.1991.tb03961.x.Peer-Reviewed Original ResearchConceptsBrain regionsLocal cerebral metabolic rateCerebral metabolic rateDiscrete brain regionsHepatic encephalopathyParticular brain regionsCerebral cortexGlutamatergic neuronsGlutamatergic neurotransmissionMedulla oblongataAuditory cortexGlucose utilizationDeoxyglucose uptakeBioenergetic failureEnergy metabolismRatsCortexPossible linkMetabolic ratePossible contributionThioacetamideOblongataEncephalopathyHippocampusStriatum
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