Featured Publications
Convulsive seizures from experimental focal cortical dysplasia occur independently of cell misplacement
Hsieh LS, Wen JH, Claycomb K, Huang Y, Harrsch FA, Naegele JR, Hyder F, Buchanan GF, Bordey A. Convulsive seizures from experimental focal cortical dysplasia occur independently of cell misplacement. Nature Communications 2016, 7: 11753. PMID: 27249187, PMCID: PMC4895394, DOI: 10.1038/ncomms11753.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MovementCognitive DysfunctionDisease Models, AnimalFemaleGene Expression RegulationGenes, ReporterGreen Fluorescent ProteinsHumansMaleMalformations of Cortical DevelopmentMiceNeuronsPrefrontal CortexSeizuresSignal TransductionSirolimusTOR Serine-Threonine KinasesWhite MatterConceptsFocal cortical dysplasiaCortical dysplasiaType II focal cortical dysplasiaWhite matter heterotopiasLayer 2/3 neuronsLife-long treatmentTonic-clonic seizuresNormal survival rateMedial prefrontal cortexLocal malformationsConvulsive seizuresPharmacoresistant epilepsySeizure activitySeizure generationSeizure occurrenceCommon causeCortical developmentMurine modelNeurocognitive impairmentSurvival rateSeizuresRapamycin withdrawalPrefrontal cortexMTOR activityRapamycin treatment
2013
Rheb Activation in Subventricular Zone Progenitors Leads to Heterotopia, Ectopic Neuronal Differentiation, and Rapamycin-Sensitive Olfactory Micronodules and Dendrite Hypertrophy of Newborn Neurons
Lafourcade CA, Lin TV, Feliciano DM, Zhang L, Hsieh LS, Bordey A. Rheb Activation in Subventricular Zone Progenitors Leads to Heterotopia, Ectopic Neuronal Differentiation, and Rapamycin-Sensitive Olfactory Micronodules and Dendrite Hypertrophy of Newborn Neurons. Journal Of Neuroscience 2013, 33: 2419-2431. PMID: 23392671, PMCID: PMC3711634, DOI: 10.1523/jneurosci.1840-12.2013.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell DifferentiationCell EnlargementCell Line, TumorCell MovementCerebral VentriclesDendritesElectroporationFemaleHypertrophyMaleMiceMonomeric GTP-Binding ProteinsNeural Stem CellsNeurogenesisNeuronsNeuropeptidesOlfactory BulbRas Homolog Enriched in Brain ProteinSirolimusStem CellsTOR Serine-Threonine KinasesConceptsNeural progenitor cellsWild-type miceOlfactory bulbMTOR activitySynaptic inputsEctopic neuronal differentiationSubventricular zone neural progenitor cellsActive ras homologNeuronal differentiationGABAergic synaptic inputsTsc1 mutant miceSubventricular zone progenitorsDendritic complexityNewborn neuronsTuberous sclerosisOlig2 cellsHyperactive mTORHeterozygote miceCircuit formationAction potentialsNeuronal morphologyNewborn cellsMutant miceEctopic cellsMammalian target
2011
Postnatal neurogenesis generates heterotopias, olfactory micronodules and cortical infiltration following single-cell Tsc1 deletion
Feliciano DM, Quon JL, Su T, Taylor MM, Bordey A. Postnatal neurogenesis generates heterotopias, olfactory micronodules and cortical infiltration following single-cell Tsc1 deletion. Human Molecular Genetics 2011, 21: 799-810. PMID: 22068588, PMCID: PMC3263992, DOI: 10.1093/hmg/ddr511.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell MovementCerebral CortexDendritesElectroporationFemaleGene DeletionMaleMiceMice, TransgenicNeurogenesisNeurogliaNeuronsOlfactory BulbPeriventricular Nodular HeterotopiaSingle-Cell AnalysisTOR Serine-Threonine KinasesTuberous SclerosisTuberous Sclerosis Complex 1 ProteinTumor Suppressor ProteinsConceptsTuberous sclerosis complexSubventricular zoneBrain lesionsPostnatal subventricular zoneForebrain structuresTsc1 deletionHuman subventricular zoneCortical infiltrationNeurological symptomsNeuropsychiatric symptomsNon-invasive imagingOlfactory lesionsPostnatal neurogenesisTSC patientsPersistent infiltrationTransgenic miceAbnormal circuitsStructural abnormalitiesDendritic treeNeuronal precursorsLesionsEmbryonic neurogenesisNeurogenesisNeuronsMicronodules
2010
NMDA Receptors Activated by Subventricular Zone Astrocytic Glutamate Are Critical for Neuroblast Survival Prior to Entering a Synaptic Network
Platel JC, Dave KA, Gordon V, Lacar B, Rubio ME, Bordey A. NMDA Receptors Activated by Subventricular Zone Astrocytic Glutamate Are Critical for Neuroblast Survival Prior to Entering a Synaptic Network. Neuron 2010, 65: 859-872. PMID: 20346761, PMCID: PMC2861893, DOI: 10.1016/j.neuron.2010.03.009.Peer-Reviewed Original ResearchConceptsAdult-born neuronsNMDA receptorsNMDAR activitySynaptic networksNeuroblast survivalGlutamate release machineryAstrocyte-like cellsLoss of neuroblastsNeonatal electroporationSpecialized astrocytesAstrocytic glutamateOlfactory bulbVesicular releaseRelease machineryReceptorsNeuroblastsNeuronsIntercellular mechanismsSurvivalGlutamateNeuroblast apoptosisAstrocytesNeurogenesisNeurotransmittersSVZ
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 cellsControl of neuroblast production and migration by converging GABA and glutamate signals in the postnatal forebrain
Platel J, Dave KA, Bordey A. Control of neuroblast production and migration by converging GABA and glutamate signals in the postnatal forebrain. The Journal Of Physiology 2008, 586: 3739-3743. PMID: 18467361, PMCID: PMC2538924, DOI: 10.1113/jphysiol.2008.155325.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsNeuroblast productionGlutamate receptorsStem cellsSteady-state levelsAdult-born neuronsNovel epigenetic controlNeural stem cellsImmature neuronsAdult neurogenesisNeurotransmitter GABAOlfactory bulbPostnatal forebrainNeuron productionNew steady-state levelStem cell proliferationHigh-affinity uptake systemCalcium elevationNeurotransmitter releaseEpigenetic controlExtracellular concentrationGlutamate signalsGABANegative feedback controlNeuroblast numbersIntercellular signaling
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
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
2000
Muscarinic Activation of BK Channels Induces Membrane Oscillations in Glioma Cells and Leads to Inhibition of Cell Migration
Bordey A, Sontheimer H, Trouslard J. Muscarinic Activation of BK Channels Induces Membrane Oscillations in Glioma Cells and Leads to Inhibition of Cell Migration. The Journal Of Membrane Biology 2000, 176: 31-40. PMID: 10882426, DOI: 10.1007/s00232001073.Peer-Reviewed Original ResearchConceptsPatch-clamp recordingsGlioma cellsAstrocytoma cellsCell migrationCultured human astrocytoma cellsIntracellular free calcium concentrationACh receptor agonistsFree calcium concentrationHuman astrocytoma cellsRelease of Ca2Glioma cell migrationMuscarinic activationMuscarinic antagonistCerebral tumorsMuscarinic receptorsReceptor agonistBath applicationActivate Ca2Intracellular injectionCerebrospinal fluidACh applicationAcetylcholineBiphasic increaseIntracellular storesExternal calcium