2004
Distinct electrophysiological alterations in dentate gyrus versus CA1 glial cells from epileptic humans with temporal lobe sclerosis
Bordey A, Spencer DD. Distinct electrophysiological alterations in dentate gyrus versus CA1 glial cells from epileptic humans with temporal lobe sclerosis. Epilepsy Research 2004, 59: 107-122. PMID: 15246115, DOI: 10.1016/j.eplepsyres.2004.04.004.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyGlial cellsCA1 regionHilar astrocytesPutative astrocytesIntractable temporal lobe epilepsySclerotic human hippocampusTemporal lobe sclerosisNon-sclerotic hippocampiPatch-clamp recordingsIntercellular couplingSuch patientsEpileptic hippocampusLobe epilepsyCell-attached patchesPatient groupElectrophysiological alterationsDentate gyrusEpileptic humansChannel expressionAstrocytesElectrophysiological propertiesHippocampusTumor casesHuman hippocampus
2003
GABA Depolarizes Neuronal Progenitors of the Postnatal Subventricular Zone Via GABAA Receptor Activation
Wang DD, Krueger DD, Bordey A. GABA Depolarizes Neuronal Progenitors of the Postnatal Subventricular Zone Via GABAA Receptor Activation. The Journal Of Physiology 2003, 550: 785-800. PMID: 12807990, PMCID: PMC2343064, DOI: 10.1113/jphysiol.2003.042572.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBarbituratesBenzodiazepinesCerebral VentriclesDose-Response Relationship, DrugElectrophysiologyGABA AntagonistsGamma-Aminobutyric AcidGlutamate DecarboxylaseIsoenzymesMembrane PotentialsMiceNeostriatumNeuronsPatch-Clamp TechniquesPicrotoxinPotassium ChannelsReceptors, GABA-AStem CellsZincConceptsRostral migratory streamGABAA receptor activationSubventricular zoneNeuronal progenitorsReceptor activationGlutamic acid decarboxylase 67Resting potentialsPostnatal mammalian brainPatch-clamp recordingsSVZ/RMSMouse brain slicesRecorded cellsCell-attached patchesGABA responsesBrain slicesNeurotransmitter GABASubset of progenitorsBenzodiazepine agonistsEmbryonic neuronsAction potentialsMammalian brainMigratory streamGABAInverse agonistSpecific receptors
2002
GAT-1 and Reversible GABA Transport in Bergmann Glia in Slices
Barakat L, Bordey A. GAT-1 and Reversible GABA Transport in Bergmann Glia in Slices. Journal Of Neurophysiology 2002, 88: 1407-1419. PMID: 12205162, DOI: 10.1152/jn.2002.88.3.1407.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological TransportCarrier ProteinsCerebellumElectrophysiologyGABA Plasma Membrane Transport ProteinsGamma-Aminobutyric AcidIn Vitro TechniquesMembrane ProteinsMembrane Transport ProteinsNeurogliaOrganic Anion TransportersPatch-Clamp TechniquesRatsRats, Sprague-DawleyReceptors, GABA-AConceptsGAT-1Bergmann gliaInward currentsGABA transporterWhole-cell patch-clamp recordingsCell patch-clamp recordingsGlial GABA uptakePatch-clamp recordingsRat cerebellar slicesGABA perfusionReceptor blockersAmbient GABANNC-711Extracellular GABAGABA effluxGABA uptakeGABA receptorsCerebellar slicesGAT subtypesNipecotic acidReceptor activationGABABlockersGliaOutward currents
2001
Electrophysiological Characteristics of Reactive Astrocytes in Experimental Cortical Dysplasia
Bordey A, Lyons SA, Hablitz JJ, Sontheimer H. Electrophysiological Characteristics of Reactive Astrocytes in Experimental Cortical Dysplasia. Journal Of Neurophysiology 2001, 85: 1719-1731. PMID: 11287494, DOI: 10.1152/jn.2001.85.4.1719.Peer-Reviewed Original ResearchConceptsGap junction couplingReactive gliosisFreeze lesionGlial fibrillary acidic protein immunoreactivityWhole-cell patch-clamp recordingsCell patch-clamp recordingsExperimental cortical dysplasiaCortical layers IPatch-clamp recordingsPostnatal day 16Reduced gap junction couplingNormal neuronal functionDysplastic neocortexP24 ratsDysplastic cortexReactive astrocytesCortical dysplasiaNeuronal dysfunctionProtein immunoreactivityElectrophysiological characteristicsAstrocytesChannel expressionNeuronal functionMicrosulcusLayer I
1999
Differential Inhibition of Glial K+ Currents by 4-AP
Bordey A, Sontheimer H. Differential Inhibition of Glial K+ Currents by 4-AP. Journal Of Neurophysiology 1999, 82: 3476-3487. PMID: 10601476, DOI: 10.1152/jn.1999.82.6.3476.Peer-Reviewed Original ResearchMeSH Keywords4-AminopyridineAction PotentialsAnimalsAstrocytesCells, CulturedDelayed Rectifier Potassium ChannelsElectrophysiologyLarge-Conductance Calcium-Activated Potassium ChannelsNeurogliaPatch-Clamp TechniquesPotassium Channel BlockersPotassium ChannelsPotassium Channels, Calcium-ActivatedPotassium Channels, Inwardly RectifyingPotassium Channels, Voltage-GatedRatsRats, Sprague-DawleySpinal CordTetraethylammoniumConceptsAcute spinal cord slicesSpinal cord slicesConcentration-dependent blockPotassium channel typesType currentsDose-dependent inhibitorNeuronal action potentialsCord slicesSpinal cordChannel blockersEpileptiform dischargesBrain slicesAction potentialsHomeostatic functionsA-currentAstrocytesDifferential inhibitionRepolarizationMembrane potentialChannel typesSlicesBlockersGlialCord