Featured Publications
Ectopic HCN4 expression drives mTOR-dependent epilepsy in mice
Hsieh LS, Wen JH, Nguyen LH, Zhang L, Getz SA, Torres-Reveron J, Wang Y, Spencer DD, Bordey A. Ectopic HCN4 expression drives mTOR-dependent epilepsy in mice. Science Translational Medicine 2020, 12 PMID: 33208499, PMCID: PMC9888000, DOI: 10.1126/scitranslmed.abc1492.Peer-Reviewed Original ResearchConceptsFocal cortical dysplasia type IITuberous sclerosis complexFocal cortical malformationsPyramidal neuronsMouse modelHCN4 expressionCortical pyramidal neuronsOnset of seizuresIntracellular cAMP concentrationSeizure activityCortical malformationsRepetitive firingDiseased neuronsSeizuresAbnormal expressionNeuronsEpilepsyCausative linkSeizure mechanismsCAMP concentrationMechanistic targetHCN4Channel activityPatientsGene therapy
2023
In Utero Electroporated Neurons for Medium-Throughput Screening of Compounds Regulating Neuron Morphology
Sokolov A, Aurich M, Bordey A. In Utero Electroporated Neurons for Medium-Throughput Screening of Compounds Regulating Neuron Morphology. ENeuro 2023, 10: eneuro.0160-23.2023. PMID: 37620147, PMCID: PMC10464655, DOI: 10.1523/eneuro.0160-23.2023.Peer-Reviewed Original ResearchConceptsSomatosensory cortexCortical pyramidal neuronsTreatment of epilepsyNeurite overgrowthNeurologic disabilityPyramidal neuronsSoma sizeNovel agentsCircuit alterationsSide effectsMorphologic assessmentMouse neuronsRelated disordersDiseased neuronsMTOR activatorDrug efficacyCandidate therapeuticsNeuronsNeuron morphologyMTOR activityMedium-throughput screeningNeurodevelopmental disordersNeurite lengthMorphologic measurementsDisorders4E-BP1 expression in embryonic postmitotic neurons mitigates mTORC1-induced cortical malformations and behavioral seizure severity but does not prevent epilepsy in mice
Nguyen L, Sharma M, Bordey A. 4E-BP1 expression in embryonic postmitotic neurons mitigates mTORC1-induced cortical malformations and behavioral seizure severity but does not prevent epilepsy in mice. Frontiers In Neuroscience 2023, 17: 1257056. PMID: 37680968, PMCID: PMC10480503, DOI: 10.3389/fnins.2023.1257056.Peer-Reviewed Original ResearchBehavioral seizure severityCortical malformationsSeizure frequencySeizure severityRadial gliaLayer 2/3 pyramidal neuronsCortical layer 2/3 pyramidal neuronsFocal cortical malformationsBehavioral seizuresNeuronal hypertrophyIntractable seizuresPyramidal neuronsSeizure activityRapamycin complex 1 (mTORC1) pathwayEctopic neuronsSeizure preventionMigratory neuronsWhite matterSeizuresNeuronsMalformationsMechanistic targetRecent evidenceSeverityEpilepsy
2021
Rab27a-Dependent Paracrine Communication Controls Dendritic Spine Formation and Sensory Responses in the Barrel Cortex
Zhang L, Zhang X, Hsieh LS, Lin TV, Bordey A. Rab27a-Dependent Paracrine Communication Controls Dendritic Spine Formation and Sensory Responses in the Barrel Cortex. Cells 2021, 10: 622. PMID: 33799820, PMCID: PMC8000154, DOI: 10.3390/cells10030622.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedDendritic SpinesExcitatory Postsynaptic PotentialsExtracellular VesiclesFemaleGene Expression Regulation, DevelopmentalGestational AgeMiceParacrine CommunicationPregnancyPyramidal CellsRab27 GTP-Binding ProteinsSensory Receptor CellsSomatosensory CortexSynaptic TransmissionVibrissaeConceptsSmall extracellular vesiclesL4 neuronsParacrine communicationExcitatory synaptic transmissionRelease of sEVsDendritic spine formationCell-autonomous effectsRisk of autismL2/3 neuronsPyramidal neuronsLayer 2/3Somatosensory cortexBarrel cortexCortical neuronsSynaptic transmissionWhisker stimulationSomatosensory informationJuvenile miceSynaptic connectivitySynaptic integrationSpine formationBrain developmentNeuronsSensory stimulationSpine development
2016
Tsc1 haploinsufficiency is sufficient to increase dendritic patterning and Filamin A levels
Zhang L, Huang T, Bordey A. Tsc1 haploinsufficiency is sufficient to increase dendritic patterning and Filamin A levels. Neuroscience Letters 2016, 629: 15-18. PMID: 27345385, PMCID: PMC4983256, DOI: 10.1016/j.neulet.2016.06.037.Peer-Reviewed Original ResearchConceptsTuberous sclerosis complexDendritic complexityDendritic patterningTotal dendritic lengthTsc1 haploinsufficiencyFLNA levelsNeonatal electroporationDendritic lengthNewborn neuronsDendritic abnormalitiesSholl analysisOlfactory bulbFilamin ATsc1 lossHeterozygote miceCognitive defectsDendritic morphologyMiceA levelsMost individualsHaploinsufficiencyHeterozygote conditionLevelsAbnormalitiesNeurons
2015
Hypoxia-inducible factor-1a contributes to dendritic overgrowth in tuberous sclerosis
Zhang L, Feliciano DM, Huang T, Zhang S, Bordey A. Hypoxia-inducible factor-1a contributes to dendritic overgrowth in tuberous sclerosis. Neuroscience Letters 2015, 612: 43-47. PMID: 26655465, PMCID: PMC4728030, DOI: 10.1016/j.neulet.2015.11.038.Peer-Reviewed Original ResearchConceptsHypoxia-inducible factor 1aTuberous sclerosis complexDendritic complexityOlfactory bulb neuronsNeonatal electroporationBulb neuronsTuberous sclerosisTransgenic miceTSC neuronsDendritic patterningNeurological disordersNeuronsCellular alterationsDendritic overgrowthPathological conditionsMRNA levelsRapamycin complex 1Mechanistic targetCognitive disabilitiesData highlightTranscriptional activityVivoFactor 1AOvergrowthLevel contributesThe multifaceted subventricular zone astrocyte: From a metabolic and pro-neurogenic role to acting as a neural stem cell
Platel JC, Bordey A. The multifaceted subventricular zone astrocyte: From a metabolic and pro-neurogenic role to acting as a neural stem cell. Neuroscience 2015, 323: 20-28. PMID: 26546469, PMCID: PMC4821790, DOI: 10.1016/j.neuroscience.2015.10.053.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsVentricular-subventricular zoneNeural progenitor cellsPro-neurogenic roleHippocampal dentate gyrusNeural stem cellsSubgranular zoneNewborn neuronsNeurogenic propertiesDentate gyrusNew neuronsLateral ventricleAdult brainMature astrocytesTranscription factor expressionNeurogenic fateNeurophysiological characteristicsFactor expressionAstrocytesBlood vesselsProgenitor cellsMetabolic couplingSurvival cuesNeuronsStem cellsCells
2014
MEK-ERK1/2-Dependent FLNA Overexpression Promotes Abnormal Dendritic Patterning in Tuberous Sclerosis Independent of mTOR
Zhang L, Bartley CM, Gong X, Hsieh LS, Lin TV, Feliciano DM, Bordey A. MEK-ERK1/2-Dependent FLNA Overexpression Promotes Abnormal Dendritic Patterning in Tuberous Sclerosis Independent of mTOR. Neuron 2014, 84: 78-91. PMID: 25277454, PMCID: PMC4185153, DOI: 10.1016/j.neuron.2014.09.009.Peer-Reviewed Original ResearchConceptsDendritic complexityFLNA overexpressionDendritic abnormalitiesFLNA expressionDendritic patterningComplex dendritic arborsWild-type neuronsFilamin ADendritic arborsERK1/2-dependent mannerDendritic defectsNeurological defectsMEK-ERK1/2NeuronsMTOR activityNeurodevelopmental disordersNeurodevelopmental diseasesProtein filamin AAbnormalitiesMTOROverexpressionGABAergic striatal neurons project dendrites and axons into the postnatal subventricular zone leading to calcium activity
Young SZ, Lafourcade CA, Platel JC, Lin TV, Bordey A. GABAergic striatal neurons project dendrites and axons into the postnatal subventricular zone leading to calcium activity. Frontiers In Cellular Neuroscience 2014, 8: 10. PMID: 24478632, PMCID: PMC3904109, DOI: 10.3389/fncel.2014.00010.Peer-Reviewed Original ResearchSubventricular zoneStriatal neuronsSVZ cellsCalcium increaseCalcium activityNeurogenic subventricular zoneSource of GABAGABAergic striatal neuronsPatch-clamp recordingsPostnatal subventricular zoneNeural progenitor cellsGABAergic neuronsPostnatal neurogenesisGABAA receptorsGABAAR activationClamp recordingsCalcium imagingStriatal activityNeuronsProgenitor cellsGABAAxonsDepolarizationCellsDendrites
2012
Newborn cortical neurons: only for neonates?
Feliciano DM, Bordey A. Newborn cortical neurons: only for neonates? Trends In Neurosciences 2012, 36: 51-61. PMID: 23062965, PMCID: PMC3534801, DOI: 10.1016/j.tins.2012.09.004.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsmiR-132 Enhances Dendritic Morphogenesis, Spine Density, Synaptic Integration, and Survival of Newborn Olfactory Bulb Neurons
Pathania M, Torres-Reveron J, Yan L, Kimura T, Lin TV, Gordon V, Teng ZQ, Zhao X, Fulga TA, Van Vactor D, Bordey A. miR-132 Enhances Dendritic Morphogenesis, Spine Density, Synaptic Integration, and Survival of Newborn Olfactory Bulb Neurons. PLOS ONE 2012, 7: e38174. PMID: 22693596, PMCID: PMC3364964, DOI: 10.1371/journal.pone.0038174.Peer-Reviewed Original ResearchConceptsOlfactory bulb neuronsSynaptic integrationMiR-132Bulb neuronsSpine densityFrequency of GABAergicGlutamatergic synaptic inputsSubventricular zone neurogenesisMiR-132 overexpressionMiR-132 expressionMicroRNA miR-132Neonatal SVZTransplanted neuronsDendritic complexityNewborn neuronsNeuronal survivalPostnatal neurogenesisSynaptic inputsTransplant therapyDendritic morphogenesisNeuronsVivo electroporationSurvivalSignificant increasePlasticity program
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
MicroRNA miR‐137 Regulates Neuronal Maturation by Targeting Ubiquitin Ligase Mind Bomb‐1
Smrt RD, Szulwach KE, Pfeiffer RL, Li X, Guo W, Pathania M, Teng Z, Luo Y, Peng J, Bordey A, Jin P, Zhao X. MicroRNA miR‐137 Regulates Neuronal Maturation by Targeting Ubiquitin Ligase Mind Bomb‐1. Stem Cells 2010, 28: 1060-1070. PMID: 20506192, PMCID: PMC3140955, DOI: 10.1002/stem.431.Peer-Reviewed Original ResearchConceptsNeuronal maturationMiR-137Dendritic morphogenesisSpine developmentNovel miRNA-mediated mechanismCultured primary neuronsMiR-137 overexpressionConserved target sitesMiR-137 targetsBrain-enriched microRNAYoung neuronsMicroRNA miR-137Phenotypic maturationPrimary neuronsAxonal growthMiRNA-mediated mechanismMIB1Mind bomb-1NeuronsMessenger RNAMaturationOpposite effectOverexpressionMicroRNAsNeurodevelopmentNMDA 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
The astrocyte odyssey
Wang DD, Bordey A. The astrocyte odyssey. Progress In Neurobiology 2008, 86: 342-367. PMID: 18948166, PMCID: PMC2613184, DOI: 10.1016/j.pneurobio.2008.09.015.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsAdult neurogenic zonesFunction of astrocytesAstrocytic calcium wavesPopulation of astrocytesDifferent molecular identitiesNeural stem cellsGlutamate releaseNeurogenic zonesNeurogenic nicheNeuronal activityNervous systemStem cell characteristicsAstrocytesNeuronsCalcium wavesVivo roleSupport cellsStem cellsEqual numberCellsDiverse populationsMolecular identityCell characteristicsPioneer discoveriesCentral player
1997
Electrophysiological Evidence for Multiple Glycinergic Inputs to Neonatal Rat Sympathetic Preganglionic Neurons In Vitro
Krupp J, Bordey A, Feltz P. Electrophysiological Evidence for Multiple Glycinergic Inputs to Neonatal Rat Sympathetic Preganglionic Neurons In Vitro. European Journal Of Neuroscience 1997, 9: 1711-1719. PMID: 9283825, DOI: 10.1111/j.1460-9568.1997.tb01528.x.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic currentsTransverse spinal cord slicesSympathetic preganglionic neuronsSpinal cord slicesPreganglionic neuronsGlycinergic inputsCord slicesNeonatal rat sympathetic preganglionic neuronsGlycinergic inhibitory postsynaptic currentsRat sympathetic preganglionic neuronsExtracellular applicationGlutamate receptor agonistsHigh-frequency burstsDimethylphenylpiperazinium iodidePostsynaptic currentsNeonatal ratsReceptor agonistSynaptic activityElectrophysiological evidenceNeuronsPatchclamp techniqueProximal siteRegular intervalsFrequency of eventsTime patterns
1994
Actions of nicotinic agonists on the intermediolateral nucleus neurons in the neonate rat spinal cord in vitro
Bordey A, Trouslard J, Feltz P. Actions of nicotinic agonists on the intermediolateral nucleus neurons in the neonate rat spinal cord in vitro. Journal Of Physiology-Paris 1994, 88: 374. DOI: 10.1016/0928-4257(94)90040-x.Peer-Reviewed Original Research