2015
Voltage‐dependent K+ currents contribute to heterogeneity of olfactory ensheathing cells
Rela L, Piantanida AP, Bordey A, Greer CA. Voltage‐dependent K+ currents contribute to heterogeneity of olfactory ensheathing cells. Glia 2015, 63: 1646-1659. PMID: 25856239, PMCID: PMC4506201, DOI: 10.1002/glia.22834.Peer-Reviewed Original ResearchConceptsGlial cellsOlfactory nerveAxon growthVoltage-dependent potassium currentsOlfactory Ensheathing CellsSite of injuryGap junction couplingPotassium currentPotassium channelsJunction couplingInward rectifierNerveRectifier channelsCellsPhysiological propertiesLimited knowledgeInjuryOECsMembrane propertiesFascicles
2006
GFAP‐expressing cells in the postnatal subventricular zone display a unique glial phenotype intermediate between radial glia and astrocytes
Liu X, Bolteus AJ, Balkin DM, Henschel O, Bordey A. GFAP‐expressing cells in the postnatal subventricular zone display a unique glial phenotype intermediate between radial glia and astrocytes. Glia 2006, 54: 394-410. PMID: 16886203, DOI: 10.1002/glia.20392.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid Transport System X-AGAnimalsAnimals, NewbornAstrocytesBiomarkersCell DifferentiationCell ShapeConnexinsEpendymaGlial Fibrillary Acidic ProteinGlutamic AcidGreen Fluorescent ProteinsMembrane PotentialsMiceMice, TransgenicOrgan Culture TechniquesPatch-Clamp TechniquesPhenotypePotassiumPotassium ChannelsRecombinant Fusion ProteinsStem CellsTelencephalonConceptsGlial fibrillary acidic proteinPostnatal subventricular zoneSubventricular zoneGFAP-expressing cellsRadial gliaAstroglial marker glial fibrillary acidic proteinGlial propertiesEpendymal cellsGlutamate transportersGLT-1 glutamate transporterMarker glial fibrillary acidic proteinAMPA-type glutamate receptorsFunctional glutamate transportersFibrillary acidic proteinHuman glial fibrillary acidic proteinAdult subventricular zoneConnexin 43 expressionGap junction couplingNeural stem cellsMicroM Ba2Acute slicesAstrocytic functionsGlutamate receptorsGlial phenotypeClamp recordings
2005
Nonsynaptic GABA signaling in postnatal subventricular zone controls proliferation of GFAP-expressing progenitors
Liu X, Wang Q, Haydar TF, Bordey A. Nonsynaptic GABA signaling in postnatal subventricular zone controls proliferation of GFAP-expressing progenitors. Nature Neuroscience 2005, 8: 1179-1187. PMID: 16116450, PMCID: PMC1380263, DOI: 10.1038/nn1522.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBotulinum ToxinsBromodeoxyuridineCadmiumCell CountCell ProliferationChelating AgentsCyclooxygenase InhibitorsDose-Response Relationship, DrugDose-Response Relationship, RadiationDrug InteractionsEgtazic AcidElectric StimulationEnzyme InhibitorsGABA AntagonistsGamma-Aminobutyric AcidGene Expression RegulationGlial Fibrillary Acidic ProteinGreen Fluorescent ProteinsImmunohistochemistryIn Vitro TechniquesLateral VentriclesMeclofenamic AcidMembrane PotentialsMiceMice, TransgenicNeuronsNickelPatch-Clamp TechniquesPotassiumSodium Channel BlockersSpider VenomsStem CellsTetrodotoxinConceptsPostnatal subventricular zoneGFAP-expressing cellsSubventricular zoneCell cycleGABAA receptorsStem cellsNeuroblastsProgenitorsGlial fibrillary acidic proteinSVZ cellsGABAA receptor currentsGABAA receptor activationFibrillary acidic proteinReceptor activationCellsProliferationGABA releaseMouse slicesLocal cuesAcidic proteinReceptor currentsSpontaneous depolarizationsGFAPGABAReceptors
2004
GABA Release and Uptake Regulate Neuronal Precursor Migration in the Postnatal Subventricular Zone
Bolteus AJ, Bordey A. GABA Release and Uptake Regulate Neuronal Precursor Migration in the Postnatal Subventricular Zone. Journal Of Neuroscience 2004, 24: 7623-7631. PMID: 15342728, PMCID: PMC6729616, DOI: 10.1523/jneurosci.1999-04.2004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAstrocytesBicucullineBiological TransportBrainCalcium SignalingCell MovementGABA Plasma Membrane Transport ProteinsGABA-A Receptor AgonistsGamma-Aminobutyric AcidMass SpectrometryMembrane Transport ProteinsMiceMicroscopy, VideoNeuronsPatch-Clamp TechniquesPotassiumReceptors, GABA-AStem CellsConceptsAstrocyte-like cellsSubventricular zoneNeuronal precursorsPostnatal subventricular zoneNeuronal precursor migrationCell migrationPrecursor migrationPresence of bicucullineEnhancement of GABAAnterior subventricular zoneInhibition of GABARostral migratory streamAmbient GABA levelsApplication of GABASagittal brain slicesAntagonist bicucullineGABA releaseEndogenous GABAGABA levelsBrain slicesAdult miceGABA transporterMigratory streamGABACell depolarization
1998
Passive Glial Cells, Fact or Artifact?
Bordey A, Sontheimer H. Passive Glial Cells, Fact or Artifact? The Journal Of Membrane Biology 1998, 166: 213-222. PMID: 9843595, DOI: 10.1007/s002329900463.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsVoltage-activated currentsPassive astrocytesVoltage-dependent outwardCell accessAcute tissue slicesBath Ca2Glial cellsRat hippocampusSlice recordingsCultured astrocytesAstrocytesPipette solutionEffect of Ca2Tissue slicesMembrane capacitanceSuch cellsSubpopulationsCellsTransient maskingConcentration of Ca2Ca2SuperfusionHippocampusDoseElectrophysiological Properties of Human Astrocytic Tumor Cells In Situ: Enigma of Spiking Glial Cells
Bordey A, Sontheimer H. Electrophysiological Properties of Human Astrocytic Tumor Cells In Situ: Enigma of Spiking Glial Cells. Journal Of Neurophysiology 1998, 79: 2782-2793. PMID: 9582244, DOI: 10.1152/jn.1998.79.5.2782.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAstrocytesAstrocytomaBrain NeoplasmsCarcinomaCell DifferentiationChildChoroid Plexus NeoplasmsDelayed Rectifier Potassium ChannelsHumansIon TransportNeoplasm ProteinsNeoplastic Stem CellsNerve Tissue ProteinsPatch-Clamp TechniquesPotassiumPotassium Channel BlockersPotassium ChannelsPotassium Channels, Inwardly RectifyingPotassium Channels, Voltage-GatedSodium Channel BlockersSodium ChannelsSpinal CordTetraethylammoniumTetrodotoxinConceptsAstrocytoma cellsTumor cellsGlial cellsWhole-cell patch-clamp recordingsCell patch-clamp recordingsAction potential-like responsesOlder pediatric patientsSpinal cord astrocytesHuman astrocytic tumor cellsSensitive sodium currentsGroup of tumorsLow-grade astrocytomasPatch-clamp recordingsOutward potassium currentGlial tumor cellsAstrocytic tumor cellsGeneration of spikesHigh input resistancePeritumoral astrocytesPediatric patientsMicroM Ba2Pilocytic astrocytomaPotassium currentAstrocytesElectrophysiological properties
1994
SR 140333, a Novel, Selective, and Potent Nonpeptide Antagonist of the NK1 Tachykinin Receptor: Characterization on the U373MG Cell Line
Oury‐Donat F, Lefevre IA, Thurneyssen O, Gauthier T, Bordey A, Feltz P, Emonds‐Alt X, Le Fur G, Soubrie P. SR 140333, a Novel, Selective, and Potent Nonpeptide Antagonist of the NK1 Tachykinin Receptor: Characterization on the U373MG Cell Line. Journal Of Neurochemistry 1994, 62: 1399-1407. PMID: 7510780, DOI: 10.1046/j.1471-4159.1994.62041399.x.Peer-Reviewed Original ResearchMeSH KeywordsAstrocytomaBinding, CompetitiveCalciumElectric ConductivityGenes, fosHumansInositol PhosphatesIodine RadioisotopesNeurokinin-1 Receptor AntagonistsPeptide FragmentsPiperidinesPotassiumPyrrolidonecarboxylic AcidQuinuclidinesReceptors, Neurokinin-1StereoisomerismSubstance PSuccinimidesTaurineTranscription, GeneticTumor Cells, CulturedConceptsSR 140333Substance PNK1 tachykinin receptor antagonistNK1 receptor activationHunter substance PNK1-selective agonistTachykinin receptor antagonistsInositol monophosphate formationNK1 tachykinin receptorsPotent nonpeptide antagonistHuman astrocytoma cell lineCell linesAstrocytoma cell linesPatch-clamp experimentsReceptor antagonistFormation of inositolTachykinin receptorsNK1 agonistU373MG cell linesCalcium mobilizationNonpeptide antagonistsRadioligand bindingReceptor activationOutward currentsMonophosphate formation