2024
Dysregulation of miRNA expression and excitation in MEF2C autism patient hiPSC-neurons and cerebral organoids
Trudler D, Ghatak S, Bula M, Parker J, Talantova M, Luevanos M, Labra S, Grabauskas T, Noveral S, Teranaka M, Schahrer E, Dolatabadi N, Bakker C, Lopez K, Sultan A, Patel P, Chan A, Choi Y, Kawaguchi R, Stankiewicz P, Garcia-Bassets I, Kozbial P, Rosenfeld M, Nakanishi N, Geschwind D, Chan S, Lin W, Schork N, Ambasudhan R, Lipton S. Dysregulation of miRNA expression and excitation in MEF2C autism patient hiPSC-neurons and cerebral organoids. Molecular Psychiatry 2024, 1-18. PMID: 39349966, DOI: 10.1038/s41380-024-02761-9.Peer-Reviewed Original ResearchMEF2C haploinsufficiency syndromeLoss-of-function mutationsCerebral organoidsHaploinsufficiency syndromeReceptor antagonistHiPSC-neuronsDecreased neurogenesisSevere formCerebrocortical neuronsAnimal studiesExtrasynaptic activationMEF2CAbnormal phenotypesNeurodevelopmentNeuronsDeficitsOrganoidsTranscription factorsMutationsNitroSynapsinGene networksDysregulation of miRNA expression
2019
Mechanisms of hyperexcitability in Alzheimer’s disease hiPSC-derived neurons and cerebral organoids vs isogenic controls
Ghatak S, Dolatabadi N, Trudler D, Zhang X, Wu Y, Mohata M, Ambasudhan R, Talantova M, Lipton S. Mechanisms of hyperexcitability in Alzheimer’s disease hiPSC-derived neurons and cerebral organoids vs isogenic controls. ELife 2019, 8: e50333. PMID: 31782729, PMCID: PMC6905854, DOI: 10.7554/elife.50333.Peer-Reviewed Original ResearchConceptsDisease brainNeuronal culturesHuman Alzheimer's disease brainCerebral organoidsAD-related mutationsHiPSC-derived neuronsTransgenic AD miceInhibitory synaptic activityMechanisms of hyperexcitabilityAlzheimer's disease brainAberrant electrical activitySodium current densityAD micePathophysiological correlatesSynaptic dysfunctionAD pathophysiologyExcessive excitabilitySynaptic activityObserved hyperexcitabilityCognitive declineBursting activityHyperexcitabilityPresenilin 1Electrical activityNeurite length