2022
Disrupted Topological Organization of White Matter Network in Angelman Syndrome
Wei L, Du X, Yang Z, Ding M, Yang B, Wang J, Long S, Qiao Z, Jiang Y, Wang Y, Wang H. Disrupted Topological Organization of White Matter Network in Angelman Syndrome. Journal Of Magnetic Resonance Imaging 2022, 57: 1212-1221. PMID: 35856797, DOI: 10.1002/jmri.28360.Peer-Reviewed Original Research
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
2013
Region‐specific impairments in striatal synaptic transmission and impaired instrumental learning in a mouse model of Angelman syndrome
Hayrapetyan V, Castro S, Sukharnikova T, Yu C, Cao X, Jiang YH, Yin HH. Region‐specific impairments in striatal synaptic transmission and impaired instrumental learning in a mouse model of Angelman syndrome. European Journal Of Neuroscience 2013, 39: 1018-1025. PMID: 24329862, PMCID: PMC5937017, DOI: 10.1111/ejn.12442.Peer-Reviewed Original ResearchConceptsDorsolateral striatumDorsomedial striatumMouse modelAngelman syndromeWhole-cell patch-clamp recordingsMiniature excitatory postsynaptic currentsRegion-specific impairmentsStriatal synaptic transmissionExcitatory postsynaptic currentsBasal ganglia pathologyPatch-clamp recordingsDeficient mouse modelUbe3a deficiencyWild-type controlsGlutamatergic transmissionPostsynaptic currentsBasal gangliaSynaptic transmissionInput nucleusMaternal deficiencyMotor tremorCorticostriatal circuitsMutant miceStriatumMice
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
2009
Mitochondrial dysfunction in CA1 hippocampal neurons of the UBE3A deficient mouse model for Angelman syndrome
Su H, Fan W, Coskun PE, Vesa J, Gold JA, Jiang YH, Potluri P, Procaccio V, Acab A, Weiss JH, Wallace DC, Kimonis VE. Mitochondrial dysfunction in CA1 hippocampal neurons of the UBE3A deficient mouse model for Angelman syndrome. Neuroscience Letters 2009, 487: 129-133. PMID: 19563863, PMCID: PMC2888840, DOI: 10.1016/j.neulet.2009.06.079.Peer-Reviewed Original ResearchConceptsWild-type littermatesAngelman syndromeMaternal UBE3A alleleMitochondrial dysfunctionCA1 hippocampal neuronsSynaptic vesicle densityWhole brain mitochondriaDeficient mouse modelUbiquitin protein ligase E3ASevere neurological disordersAS miceHippocampal neuronsHippocampal regionMouse modelOxidative phosphorylationNeurological disordersBrain mitochondriaSyndromeMiceVesicle densityPathophysiologyDysfunctionDense mitochondriaLittermatesUBE3A
2007
Rescue of neurological deficits in a mouse model for Angelman syndrome by reduction of αCaMKII inhibitory phosphorylation
van Woerden GM, Harris KD, Hojjati MR, Gustin RM, Qiu S, de Avila Freire R, Jiang YH, Elgersma Y, Weeber EJ. Rescue of neurological deficits in a mouse model for Angelman syndrome by reduction of αCaMKII inhibitory phosphorylation. Nature Neuroscience 2007, 10: 280-282. PMID: 17259980, DOI: 10.1038/nn1845.Peer-Reviewed Original ResearchMeSH KeywordsAngelman SyndromeAnimalsBehavior, AnimalCalcium-Calmodulin-Dependent Protein Kinase Type 2Conditioning, ClassicalDisease Models, AnimalExcitatory Postsynaptic PotentialsFemaleFreezing Reaction, CatalepticHippocampusIn Vitro TechniquesMaleMaze LearningMental DisordersMiceMice, Inbred C57BLMice, Neurologic MutantsMotor ActivityPhosphorylationPhosphotransferasesReaction TimeTime FactorsUbiquitin-Protein LigasesConceptsMouse modelAngelman syndromeAS mouse modelSevere neurological disordersNeurological deficitsMotor dysfunctionA miceBehavioral deficitsCellular deficitsNeurological disordersInhibitory phosphorylationMental retardationSyndromeDeficitsΑCaMKIIAdditional mutationsInhibitory phosphorylation sites
2003
Derangements of Hippocampal Calcium/Calmodulin-Dependent Protein Kinase II in a Mouse Model for Angelman Mental Retardation Syndrome
Weeber EJ, Jiang YH, Elgersma Y, Varga AW, Carrasquillo Y, Brown SE, Christian JM, Mirnikjoo B, Silva A, Beaudet AL, Sweatt JD. Derangements of Hippocampal Calcium/Calmodulin-Dependent Protein Kinase II in a Mouse Model for Angelman Mental Retardation Syndrome. Journal Of Neuroscience 2003, 23: 2634-2644. PMID: 12684449, PMCID: PMC6742065, DOI: 10.1523/jneurosci.23-07-02634.2003.Peer-Reviewed Original ResearchMeSH KeywordsAngelman SyndromeAnimalsCalcium-Calmodulin-Dependent Protein Kinase Type 2Calcium-Calmodulin-Dependent Protein KinasesCells, CulturedHippocampusImmunohistochemistryIntellectual DisabilityLigasesLong-Term PotentiationMiceMutationPhosphoprotein PhosphatasesPhosphorylationProtein KinasesSynapsesThreonineUbiquitin-Protein LigasesConceptsCalmodulin-dependent protein kinase IIProtein kinase IIKinase IIAngelman syndromeCalcium/calmodulin-dependent protein kinase IIMutant animalsMolecular basisMental retardation syndromeMolecular causesCaMKII activityLong-term potentiationCaMKIIPostsynaptic densityRetardation syndromeMouse modelMisregulationMutantsHippocampal long-term potentiationSevere mental retardationMental retardationContext-dependent learningCorresponding changes
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 basisImprinting in Angelman and Prader-Willi syndromes
Jiang Y, Tsai T, Bressler J, Beaudet A. Imprinting in Angelman and Prader-Willi syndromes. Current Opinion In Genetics & Development 1998, 8: 334-342. PMID: 9691003, DOI: 10.1016/s0959-437x(98)80091-9.Peer-Reviewed Original ResearchConceptsE6-AP ubiquitin-protein ligaseUbiquitin-protein ligaseAnalysis of methylationTissue-specific imprintingAngelman syndromeSNRPN promoterPrader-Willi syndromeAS genesMaternal chromosomesGene expressionGenomic sequencingPoint mutationsGenesBisulfite methodMethylationCandidate regionsImprintingHippocampal neuronsDrosophilaNecdinSNRPNLigaseChromosomesPromoterPurkinje cells
1997
The E6–AP Ubiquitin–Protein Ligase (UBE3A) Gene Is Localized within a Narrowed Angelman Syndrome Critical Region
Sutcliffe J, Jiang Y, Galjaard R, Matsuura T, Fang P, Kubota T, Christian S, Bressler J, Cattanach B, Ledbetter D, Beaudet A. The E6–AP Ubiquitin–Protein Ligase (UBE3A) Gene Is Localized within a Narrowed Angelman Syndrome Critical Region. Genome Research 1997, 7: 368-377. PMID: 9110176, PMCID: PMC139148, DOI: 10.1101/gr.7.4.368.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAngelman SyndromeAnimalsBlotting, NorthernBlotting, SouthernChromosome AberrationsChromosome MappingChromosomes, Artificial, YeastChromosomes, Human, Pair 15Cloning, MolecularCosmidsElectrophoresis, Gel, Pulsed-FieldFemaleGene DeletionGene DosageGene Expression Regulation, DevelopmentalGenetic MarkersGenomic ImprintingHumansIn Situ HybridizationLigasesMaleMiceMice, Mutant StrainsMolecular Sequence DataPaternityPrader-Willi SyndromeSequence Homology, Amino AcidSequence Homology, Nucleic AcidTissue DistributionTranscription, GeneticTranslocation, GeneticUbiquitin-Protein LigasesConceptsLigase geneUbiquitin protein ligase geneAngelman syndromeEntire transcriptional unitCandidate regionsMaternal-specific expressionE6-AP ubiquitinTranscriptional unitsPaternal deficiencyRT-PCR analysisMouse homologPrader-Willi syndromePaternal uniparental disomyPhysical mapDe novo truncating mutationsNovo truncating mutationsRecent identificationUBE3A locusMouse tissuesGenesUbe3a expressionLociUniparental disomyProtein levelsAS regionDe novo truncating mutations in E6-AP ubiquitin-protein ligase gene (UBE3A) in Angelman syndrome
Matsuura T, Sutcliffe J, Fang P, Galjaard R, Jiang Y, Benton C, Rommens J, Beaudet A. De novo truncating mutations in E6-AP ubiquitin-protein ligase gene (UBE3A) in Angelman syndrome. Nature Genetics 1997, 15: 74-77. PMID: 8988172, DOI: 10.1038/ng0197-74.Peer-Reviewed Original ResearchConceptsGene productsAngelman syndromeNovo truncating mutationsUbiquitin protein ligase geneUbiquitin-dependent proteolytic pathwayE6-AP ubiquitin-protein ligaseHuman genetic disordersUbiquitin-protein ligaseUBE3A geneTruncating mutationsEvidence of expressionUnlikely candidate geneGenetic disordersLigase geneParental allelesAS genesHuman chromosomesPaternal uniparental disomyCandidate genesDe novo truncating mutationsProteolytic pathwayNovo nonsense mutationGenesIntragenic mutationsMolecular defects