2012
Neural Progenitor Cells Regulate Capillary Blood Flow in the Postnatal Subventricular Zone
Lacar B, Herman P, Platel JC, Kubera C, Hyder F, Bordey A. Neural Progenitor Cells Regulate Capillary Blood Flow in the Postnatal Subventricular Zone. Journal Of Neuroscience 2012, 32: 16435-16448. PMID: 23152626, PMCID: PMC3520061, DOI: 10.1523/jneurosci.1457-12.2012.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsAnimals, NewbornAstrocytesCalcium SignalingCapillariesCerebral VentriclesCerebrovascular CirculationElectric StimulationElectroporationFemaleFluorescent Antibody TechniqueImage Processing, Computer-AssistedLaser-Doppler FlowmetryMaleMiceMuscle TonusMuscle, Smooth, VascularNeural Stem CellsPericytesVasoconstrictionVasodilationConceptsNeural progenitor cellsSubventricular zoneB cellsBlood flowSVZ cellsPurinergic receptorsPostnatal subventricular zoneVascular responsesCapillary constrictionTransgenic miceElectrical stimulationCalcium increaseBlood flow increasesLaser Doppler flowmetryCapillary blood flowAstrocyte-like cellsReceptor agonist UTPNeonatal electroporationNeurometabolic couplingIntraventricular injectionVasodilating factorsAcute slicesYoung miceDoppler flowmetryHemodynamic responseTransient mGlu5R inhibition enhances the survival of granule cell precursors in the neonatal cerebellum
Kubera C, Hernandez AL, Heng V, Bordey A. Transient mGlu5R inhibition enhances the survival of granule cell precursors in the neonatal cerebellum. Neuroscience 2012, 219: 271-279. PMID: 22677205, PMCID: PMC3402690, DOI: 10.1016/j.neuroscience.2012.05.064.Peer-Reviewed Original ResearchConceptsExternal germinal layerGranule cell precursorsGranule cellsS-phase marker bromodeoxyuridineMetabotropic glutamate receptor 5Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) stainingTransferase dUTP nick end labeling stainingCell precursorsDUTP nick end labeling stainingNick end labeling stainingGlutamate receptor 5Postnatal day 2Proliferative granule cell precursorsEnd labeling stainingCerebellar granule cellsAcute slicesAbundant neuronsBrdU injectionLabeling stainingVivo treatmentReceptor 5Day 2Vivo injectionSpecific receptorsClonal expansion
2010
Imaging and Recording Subventricular Zone Progenitor Cells in Live Tissue of Postnatal Mice
Lacar B, Young SZ, Platel JC, Bordey A. Imaging and Recording Subventricular Zone Progenitor Cells in Live Tissue of Postnatal Mice. Frontiers In Neuroscience 2010, 4: 43. PMID: 20700392, PMCID: PMC2918349, DOI: 10.3389/fnins.2010.00043.Peer-Reviewed Original ResearchSubventricular zoneSVZ cellsSubventricular zone progenitor cellsPatch-clamp recordingsCell populationsAstrocyte-like cellsFluorescent reporter miceRNA interference technologyNeurogenic zonesAcute slicesCellular diversityGlial cellsLateral ventricleMultiple cell populationsOlfactory bulbPostnatal brainClamp recordingsReporter miceFloxed miceTransgenic micePostnatal miceCalcium activityMiceProgenitor cellsGenetic labeling
2008
Tonic activation of GLUK5 kainate receptors decreases neuroblast migration in whole‐mounts of the subventricular zone
Platel J, Heintz T, Young S, Gordon V, Bordey A. Tonic activation of GLUK5 kainate receptors decreases neuroblast migration in whole‐mounts of the subventricular zone. The Journal Of Physiology 2008, 586: 3783-3793. PMID: 18565997, PMCID: PMC2538932, DOI: 10.1113/jphysiol.2008.155879.Peer-Reviewed Original ResearchConceptsKainate receptorsSVZ neuroblastsLateral ventricleSubventricular zoneNeuroblast migrationAcute slicesMetabotropic glutamate receptor subtype 5AMPA/kainate receptorsMGluR5 antagonist MPEPPermeable kainate receptorsReceptor antagonist bicucullineActivation of mGluR5Postnatal day 20Postnatal subventricular zoneDCX promoterAntagonist MPEPWhole-mount preparationsAntagonist bicucullineMGluR5 activationCell aspiratesReceptor antagonistMouse slicesTonic activationSubtype 5Immunopositive cellsGFAP‐GFP neural progenitors are antigenically homogeneous and anchored in their enclosed mosaic niche
Platel J, Gordon V, Heintz T, Bordey A. GFAP‐GFP neural progenitors are antigenically homogeneous and anchored in their enclosed mosaic niche. Glia 2008, 57: 66-78. PMID: 18661547, DOI: 10.1002/glia.20735.Peer-Reviewed Original ResearchConceptsBrain lipid-binding proteinGFAP-expressing cellsSubventricular zoneEGF receptorNeurogenic subventricular zoneGFP-fluorescent cellsHuman GFAP promoterProliferative marker Ki67Neural stem cellsCell typesNeurogenic zonesNG2 cellsPostnatal neurogenesisAcute slicesNeurogenic nicheOlfactory bulbTransgenic miceDifferent cell populationsRostral extensionAntigenic markersGFAP promoterProgenitor markersNeural progenitorsCell populationsCellular mosaic
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
Assays for measuring extracellular GABA levels and cell migration rate in acute slices
Bolteus AJ, Garganta C, Bordey A. Assays for measuring extracellular GABA levels and cell migration rate in acute slices. Brain Research 2005, 14: 126-134. PMID: 15721818, DOI: 10.1016/j.brainresprot.2004.12.005.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological AssayCell MovementGABA Plasma Membrane Transport ProteinsGamma-Aminobutyric AcidImmunohistochemistryLateral VentriclesMass SpectrometryMembrane Transport ModulatorsMembrane Transport ProteinsMiceMicroscopy, VideoNeurochemistryNeuronsOrgan Culture TechniquesReceptors, GABAStem CellsTelencephalonConceptsRostral migratory streamSubventricular zoneEndogenous GABAGABA levelsGABA receptorsNeuronal precursorsCell migrationLocal GABA levelsExtracellular GABA levelsAcute brain slicesAdult rodent brainPostnatal subventricular zoneFuture therapeutic useNeuronal precursor migrationAcute slicesBrain slicesNeurotransmitter GABASVZ cellsOlfactory bulbRodent brainRMS explantsMigratory streamTherapeutic useNeural precursorsGABA
1998
Properties of human glial cells associated with epileptic seizure foci
Bordey A, Sontheimer H. Properties of human glial cells associated with epileptic seizure foci. Epilepsy Research 1998, 32: 286-303. PMID: 9761328, DOI: 10.1016/s0920-1211(98)00059-x.Peer-Reviewed Original ResearchConceptsSeizure focusGlial cellsMesio-temporal lobe epilepsyWhole-cell patch-clamp recordingsLucifer YellowControl rat hippocampusPathophysiology of seizuresSlow action potentialsCurrent-clamp studiesGFAP-positive astrocytesEpileptic seizure fociPatch-clamp recordingsHuman glial cellsLobe epilepsyAcute slicesRat hippocampusEpilepsy patientsClamp studiesRat astrocytesAstrocytesIntermediate filaments GFAPNormal astrocytesAction potentialsPhysiological propertiesBranched processesExpression of voltage-activated chloride currents in acute slices of human gliomas
Ullrich N, Bordey A, Gillespie GY, Sontheimer H. Expression of voltage-activated chloride currents in acute slices of human gliomas. Neuroscience 1998, 83: 1161-1173. PMID: 9502255, DOI: 10.1016/s0306-4522(97)00456-9.Peer-Reviewed Original ResearchConceptsAcute slicesChloride currentsGlioma cellsGrade tumorsGlial cellsPatient biopsiesWhole-cell patch-clamp recordingsChloride channelsHost glial cellsImplanted glioma cellsPathological tumor gradeLow-grade tumorsHigh-grade tumorsPatch-clamp recordingsSpecific Cl- channelsNormal glial cellsAstrocyte-like cellsShort-term cultureTumor gradePathological gradeSCID miceVoltage-activated sodiumIntracranial injectionPotassium currentExperimental tumors