Featured Publications
Filamin A inhibition reduces seizure activity in a mouse model of focal cortical malformations
Zhang L, Huang T, Teaw S, Nguyen LH, Hsieh LS, Gong X, Burns LH, Bordey A. Filamin A inhibition reduces seizure activity in a mouse model of focal cortical malformations. Science Translational Medicine 2020, 12 PMID: 32075941, DOI: 10.1126/scitranslmed.aay0289.Peer-Reviewed Original ResearchConceptsFocal cortical dysplasia type IITuberous sclerosis complexFocal cortical malformationsCortical malformationsSeizure frequencyReduced seizure frequencyVehicle-treated miceOnset of seizuresFilamin ALifelong epilepsyShort hairpin RNANeurological comorbiditiesNeuronal abnormalitiesSeizure activityEpilepsy treatmentSeizure onsetMouse modelAdult miceFLNA expressionPatientsCortical tissueMiceSeizuresMalformationsHairpin RNAEctopic 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 therapyConvulsive 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
2023
4E-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
2022
Inhibition of MEK-ERK signaling reduces seizures in two mouse models of tuberous sclerosis complex
Nguyen LH, Leiser SC, Song D, Brunner D, Roberds SL, Wong M, Bordey A. Inhibition of MEK-ERK signaling reduces seizures in two mouse models of tuberous sclerosis complex. Epilepsy Research 2022, 181: 106890. PMID: 35219048, PMCID: PMC8930622, DOI: 10.1016/j.eplepsyres.2022.106890.Peer-Reviewed Original ResearchConceptsTuberous sclerosis complexMouse modelTSC mouse modelsDevelopmental brain malformationsMEK-ERKNovel treatment targetsMEK inhibitor PD0325901Intractable epilepsySeizure activityTSC patientsSeizure suppressionBrain malformationsMTOR inhibitorsTreatment targetsMEK-ERK activitySeizuresTSC neuropathologyPotential alternative strategyMEK-ERK inhibitionInhibitor PD0325901Monogenic disordersInhibitionMTORTreatmentEverolimus