2019
Potassium channel dysfunction in human neuronal models of Angelman syndrome
Sun A, Yuan Q, Fukuda M, Yu W, Yan H, Lim G, Nai M, D'Agostino G, Tran H, Itahana Y, Wang D, Lokman H, Itahana K, Lim S, Tang J, Chang Y, Zhang M, Cook S, Rackham O, Lim C, Tan E, Ng H, Lim K, Jiang Y, Je H. Potassium channel dysfunction in human neuronal models of Angelman syndrome. Science 2019, 366: 1486-1492. PMID: 31857479, PMCID: PMC7735558, DOI: 10.1126/science.aav5386.Peer-Reviewed Original ResearchConceptsAngelman syndromePotassium channel dysfunctionAS mouse modelUbiquitin protein ligase E3A (UBE3A) geneHuman neuronal modelNeuronal hyperexcitabilityNetwork hyperactivityAS patientsSeizure susceptibilitySynaptic dysfunctionModel miceIntrinsic excitabilityNeuronal excitabilityMouse modelBig potassium channelsHuman neuronsChannel dysfunctionEpilepsy susceptibilityBK channelopathyMouse neuronsPotassium channelsIndividual neuronsBrain organoidsNeuronsDysfunction
2017
Lovastatin suppresses hyperexcitability and seizure in Angelman syndrome model
Chung L, Bey AL, Towers AJ, Cao X, Kim IH, Jiang YH. Lovastatin suppresses hyperexcitability and seizure in Angelman syndrome model. Neurobiology Of Disease 2017, 110: 12-19. PMID: 29097328, PMCID: PMC5903876, DOI: 10.1016/j.nbd.2017.10.016.Peer-Reviewed Original ResearchConceptsEpileptiform activityMouse modelAngelman syndrome modelFragile X syndrome mouse modelLower seizure thresholdSyndrome mouse modelNeural mechanismsAngelman syndromeSeizure thresholdSynaptic dysfunctionAudiogenic seizuresExcitatory neurotransmissionLocal circuitsSyndrome modelSeizuresUBE3ADrug screeningFXS modelsHyperexcitabilitySupDysfunctionEpilepsyNeurotransmissionSyndromeDissection
2010
Altered Ultrasonic Vocalization and Impaired Learning and Memory in Angelman Syndrome Mouse Model with a Large Maternal Deletion from Ube3a to Gabrb3
Jiang YH, Pan Y, Zhu L, Landa L, Yoo J, Spencer C, Lorenzo I, Brilliant M, Noebels J, Beaudet AL. Altered Ultrasonic Vocalization and Impaired Learning and Memory in Angelman Syndrome Mouse Model with a Large Maternal Deletion from Ube3a to Gabrb3. PLOS ONE 2010, 5: e12278. PMID: 20808828, PMCID: PMC2924885, DOI: 10.1371/journal.pone.0012278.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAngelman SyndromeAnimalsCerebral CortexChromosome DeletionDarknessDisease Models, AnimalExploratory BehaviorFemaleGene Expression RegulationHomozygoteMaleMembrane Transport ProteinsMemoryMiceMothersMotor ActivityReceptors, GABA-ASeizuresUbiquitin-Protein LigasesUltrasonicsVocalization, AnimalConceptsLarge maternal deletionsDeletion miceMutant miceMouse modelAngelman syndrome mouse modelAngelman syndromeSpontaneous seizure activityMaternal deletionAS mouse modelGABRB3 geneWild-type littermatesSyndrome mouse modelE6-AP ubiquitinLight-dark boxDeletion mutant miceUBE3A mutationsUniparental disomyElectroencephalography (EEG) abnormalitiesAS patientsAbnormal EEGSeizure activityMotor functionPerinatal periodBalance disordersPaternal uniparental disomy
1998
Mutation of the Angelman Ubiquitin Ligase in Mice Causes Increased Cytoplasmic p53 and Deficits of Contextual Learning and Long-Term Potentiation
Jiang Y, Armstrong D, Albrecht U, Atkins C, Noebels J, Eichele G, Sweatt J, Beaudet A. Mutation of the Angelman Ubiquitin Ligase in Mice Causes Increased Cytoplasmic p53 and Deficits of Contextual Learning and Long-Term Potentiation. Neuron 1998, 21: 799-811. PMID: 9808466, DOI: 10.1016/s0896-6273(00)80596-6.Peer-Reviewed Original ResearchConceptsLong-term potentiationMaternal deficiencyAngelman syndromeNormal baseline synaptic transmissionBaseline synaptic transmissionE6-AP ubiquitinMotor dysfunctionSynaptic transmissionPhenotype of miceMice causesPotential biochemical basisPostmitotic neuronsLearning deficitsMiceDegradation of p53E6 proteinPotentiationP53Cytoplasmic p53UBE3ACytoplasmic abundanceDeficitsDeficiencyPhenotypeBiochemical basis