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 ResearchMeSH KeywordsAngelman SyndromeAnimalsCalcium Channels, N-TypeEpilepsyHumansMiceModels, NeurologicalNeuronsOrganoidsPotassium Channel BlockersSeizuresUbiquitinationUbiquitin-Protein LigasesConceptsAngelman 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 organoidsNeuronsDysfunctionDe Novo Missense Variants in FBXW11 Cause Diverse Developmental Phenotypes Including Brain, Eye, and Digit Anomalies
Holt RJ, Young RM, Crespo B, Ceroni F, Curry CJ, Bellacchio E, Bax DA, Ciolfi A, Simon M, Fagerberg CR, van Binsbergen E, De Luca A, Memo L, Dobyns WB, Mohammed AA, Clokie SJH, Seco C, Jiang YH, Sørensen KP, Andersen H, Sullivan J, Powis Z, Chassevent A, Smith-Hicks C, Petrovski S, Antoniadi T, Shashi V, Gelb BD, Wilson SW, Gerrelli D, Tartaglia M, Chassaing N, Calvas P, Ragge NK. De Novo Missense Variants in FBXW11 Cause Diverse Developmental Phenotypes Including Brain, Eye, and Digit Anomalies. American Journal Of Human Genetics 2019, 105: 640-657. PMID: 31402090, PMCID: PMC6731360, DOI: 10.1016/j.ajhg.2019.07.005.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBeta-Transducin Repeat-Containing ProteinsBrainChildChild, PreschoolEye AbnormalitiesFemaleFingersHumansMaleMutation, MissensePhenotypeUbiquitin-Protein LigasesConceptsF-box (SCF) ubiquitin ligase complexF-box proteinsMultiple developmental processesPectoral fin developmentSubstrate-binding domainUbiquitin ligase complexGli transcription factorsHuman developmental disordersSecond-generation sequencingDe novo missense variantsWhole-genome sequencingSkp1-CullinDevelopmental phenotypesLigase complexFin developmentResidue clustersTranscription factorsProteasomal degradationEye developmentNovo missense variantsDevelopmental processesFBXW11Genome sequencingEmbryonic tissuesUnderdeveloped eyes
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
2016
Targeting the histone methyltransferase G9a activates imprinted genes and improves survival of a mouse model of Prader–Willi syndrome
Kim Y, Lee HM, Xiong Y, Sciaky N, Hulbert SW, Cao X, Everitt JI, Jin J, Roth BL, Jiang YH. Targeting the histone methyltransferase G9a activates imprinted genes and improves survival of a mouse model of Prader–Willi syndrome. Nature Medicine 2016, 23: 213-222. PMID: 28024084, PMCID: PMC5589073, DOI: 10.1038/nm.4257.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCell LineDisease Models, AnimalEnzyme InhibitorsEpigenesis, GeneticFemaleFibroblastsGene ExpressionGenomic ImprintingHistone CodeHistone-Lysine N-MethyltransferaseHumansImmunohistochemistryMaleMethylationMicePrader-Willi SyndromeQuinazolinesReverse Transcriptase Polymerase Chain ReactionRNA, Small NucleolarSnRNP Core ProteinsSurvival RateUbiquitin-Protein LigasesThe E3-ligase E6AP Represses Breast Cancer Metastasis via Regulation of ECT2-Rho Signaling
Mansour M, Haupt S, Chan AL, Godde N, Rizzitelli A, Loi S, Caramia F, Deb S, Takano EA, Bishton M, Johnstone C, Monahan B, Levav-Cohen Y, Jiang YH, Yap AS, Fox S, Bernard O, Anderson R, Haupt Y. The E3-ligase E6AP Represses Breast Cancer Metastasis via Regulation of ECT2-Rho Signaling. Cancer Research 2016, 76: 4236-4248. PMID: 27231202, DOI: 10.1158/0008-5472.can-15-1553.Peer-Reviewed Original ResearchConceptsBreast cancer patientsPoor prognosisCancer patientsBreast cancerBreast cancer-related deathsSuppresses breast cancer metastasisMetastatic breast cancerCancer-related deathBreast cancer metastasisBasal breast cancerBreast cancer invasivenessSteroid hormone receptorsMetastatic diseaseCurrent therapiesSecondary tumorsTherapeutic approachesTumor cell migrationCancer metastasisPatientsCancer invasivenessHormone receptorsMetastasisMajor causeHigh expressionE3 ubiquitin protein ligase
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 miceStriatumMicec‑Abl Phosphorylates E6AP and Regulates Its E3 Ubiquitin Ligase Activity
Chan A, Grossman T, Zuckerman V, Di Giammartino D, Moshel O, Scheffner M, Monahan B, Pilling P, Jiang Y, Haupt S, Schueler-Furman O, Haupt Y. c‑Abl Phosphorylates E6AP and Regulates Its E3 Ubiquitin Ligase Activity. Biochemistry 2013, 52: 3119-3129. PMID: 23581475, DOI: 10.1021/bi301710c.Peer-Reviewed Original ResearchThe Angelman Syndrome Protein Ube3a Is Required for Polarized Dendrite Morphogenesis in Pyramidal Neurons
Miao S, Chen R, Ye J, Tan G, Li S, Zhang J, Jiang Y, Xiong Z. The Angelman Syndrome Protein Ube3a Is Required for Polarized Dendrite Morphogenesis in Pyramidal Neurons. Journal Of Neuroscience 2013, 33: 327-333. PMID: 23283345, PMCID: PMC6618628, DOI: 10.1523/jneurosci.2509-12.2013.Peer-Reviewed Original ResearchMeSH KeywordsAngelman SyndromeAnimalsCell PolarityDendritesGolgi ApparatusMiceNeurogenesisPyramidal CellsReelin ProteinRNA, Small InterferingUbiquitin-Protein LigasesConceptsPyramidal neuronsApical dendritesLong apical dendritesNeuron dendritic arborsDendrite outgrowthUbiquitin protein ligase E3ANovel pathological mechanismBasal dendritesCorticospinal tractDendritic arborsMouse modelPathological mechanismsMammalian prefrontal cortexExcitatory cellsPrefrontal cortexNeuronsDendrite morphogenesisCellular mechanismsDendritic morphologySelective inhibitionUBE3AMiceDendritesMolecular mechanismsDownregulation
2012
The E6AP E3 ubiquitin ligase regulates the cellular response to oxidative stress
Wolyniec K, Levav-Cohen Y, Jiang Y, Haupt S, Haupt Y. The E6AP E3 ubiquitin ligase regulates the cellular response to oxidative stress. Oncogene 2012, 32: 3510-3519. PMID: 22986523, DOI: 10.1038/onc.2012.365.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DeathCells, CulturedCellular SenescenceHumansMiceOxidative StressReactive Oxygen SpeciesStress, PhysiologicalUbiquitin-Protein LigasesConceptsE3 ubiquitin ligaseReactive oxygen speciesUbiquitin ligaseStress responseCellular responsesE6AP expressionStress conditionsImportant stress conditionsCell growthCellular stress responseAppropriate cellular responsesOxidative stress responseSpecific stress conditionsOxidative stressIntracellular reactive oxygen speciesOncogenic RasCellular senescenceGrowth-suppressive effectsOxidative DNA damageApoptotic responseNovel roleCell deathImportant regulatorE6APDNA damageE6AP ubiquitin ligase regulates PML-induced senescence in Myc-driven lymphomagenesis
Wolyniec K, Shortt J, de Stanchina E, Levav-Cohen Y, Alsheich-Bartok O, Louria-Hayon I, Corneille V, Kumar B, Woods S, Opat S, Johnstone R, Scott C, Segal D, Pandolfi P, Fox S, Strasser A, Jiang Y, Lowe S, Haupt S, Haupt Y. E6AP ubiquitin ligase regulates PML-induced senescence in Myc-driven lymphomagenesis. Blood 2012, 120: 822-832. PMID: 22689861, PMCID: PMC3709628, DOI: 10.1182/blood-2011-10-387647.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBurkitt LymphomaCell Line, TumorCell Transformation, NeoplasticCellular SenescenceHumansLymphoma, Large B-Cell, DiffuseMiceMice, Inbred C57BLMice, TransgenicNuclear ProteinsPromyelocytic Leukemia ProteinProteasome Endopeptidase ComplexProto-Oncogene Proteins c-mycTranscription FactorsTumor Suppressor ProteinsUbiquitinUbiquitin-Protein LigasesConceptsB-cell lymphomaB-cell lymphomagenesisCellular senescenceB-cell lymphoma developmentNon-Hodgkin lymphomaNovel therapeutic approachesB-cell lymphoma progressionHuman Burkitt lymphomaTumor-suppressive actionB lymphoma cellsTherapeutic approachesBurkitt's lymphomaLymphoma progressionSuppressive actionLymphoma developmentLymphomaConcurrent inductionE6AP ubiquitin ligasePML expressionElevated levelsE6AP expressionKey tumor suppressorPML nuclear bodiesNeoplastic transformationLymphomagenesis
2011
E6AP is required for replicative and oncogene-induced senescence in mouse embryo fibroblasts
Levav-Cohen Y, Wolyniec K, Alsheich-Bartok O, Chan A, Woods S, Jiang Y, Haupt S, Haupt Y. E6AP is required for replicative and oncogene-induced senescence in mouse embryo fibroblasts. Oncogene 2011, 31: 2199-2209. PMID: 21927031, DOI: 10.1038/onc.2011.402.Peer-Reviewed Original ResearchConceptsMouse embryo fibroblastsOncogene-induced senescenceCellular responsesEmbryo fibroblastsCellular stress responseRas-induced senescenceE3 ubiquitin ligaseStress-induced accumulationRole of E6APUbiquitin ligaseProtein regulatorsTissue homeostasisReplicative senescenceCellular senescenceCell cycleStress responseImportant regulatorSenescenceStress conditionsE6APIndependent growthEnhanced growthEnhanced proliferationReplicativeRegulator
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 mitochondriaLittermatesUBE3AE6AP promotes the degradation of the PML tumor suppressor
Louria-Hayon I, Alsheich-Bartok O, Levav-Cohen Y, Silberman I, Berger M, Grossman T, Matentzoglu K, Jiang Y, Muller S, Scheffner M, Haupt S, Haupt Y. E6AP promotes the degradation of the PML tumor suppressor. Cell Death & Differentiation 2009, 16: 1156-1166. PMID: 19325566, DOI: 10.1038/cdd.2009.31.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDown-RegulationHumansMiceMice, KnockoutNuclear ProteinsPromyelocytic Leukemia ProteinTranscription FactorsTumor Suppressor ProteinsUbiquitin-Protein LigasesConceptsPML-NBsNuclear bodiesTumor suppressorPromyelocytic leukemia (PML) tumor suppressorE3 ligase E6APPML tumor suppressorPML nuclear bodiesPML protein expressionUbiquitination assaysCertain human cancersStress signalsPML proteinImportant regulatorPML stabilityDNA damageE6APCell typesHuman cancersProtein expressionActive formNull micePhysiological levelsSuppressorGrowth inhibitionPML
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
2004
A mixed epigenetic/genetic model for oligogenic inheritance of autism with a limited role for UBE3A
Jiang Y, Sahoo T, Michaelis RC, Bercovich D, Bressler J, Kashork CD, Liu Q, Shaffer LG, Schroer RJ, Stockton DW, Spielman RS, Stevenson RE, Beaudet AL. A mixed epigenetic/genetic model for oligogenic inheritance of autism with a limited role for UBE3A. American Journal Of Medical Genetics Part A 2004, 131A: 1-10. PMID: 15389703, DOI: 10.1002/ajmg.a.30297.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAutistic DisorderBlotting, SouthernBlotting, WesternBrainChromosome AberrationsChromosomes, Human, Pair 15Deoxyribonuclease BamHIDeoxyribonuclease HpaIIDNADNA MethylationFemaleGene DuplicationHumansIn Situ Hybridization, FluorescenceMaleModels, GeneticMutationPedigreeUbiquitin-Protein LigasesConceptsOligogenic inheritanceComplex disease traitsGenome-wide studiesAbnormal DNA methylationE6-AP proteinDe novoGenetic modelsRole of UBE3AUbiquitin ligaseDNA methylationEpigenetic abnormalitiesDisease traitsAutism brainPaternal duplicationChromosome 15qUBE3AGenetic contributionRegion downstreamGenesOligogenic modelInheritanceProteinNovoLigaseBrain samplesHuman disorders of ubiquitination and proteasomal degradation
Jiang YH, Beaudet AL. Human disorders of ubiquitination and proteasomal degradation. Current Opinion In Pediatrics 2004, 16: 419-426. PMID: 15273504, DOI: 10.1097/01.mop.0000133634.79661.cd.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAngelman SyndromeAnimalsFanconi AnemiaGenetic Diseases, InbornGenetic Predisposition to DiseaseHumansNF-kappa BPolyendocrinopathies, AutoimmuneProteasome Endopeptidase ComplexUbiquitin-Activating EnzymesUbiquitin-Conjugating EnzymesUbiquitin-Protein LigasesUbiquitinsVon Hippel-Lindau DiseaseConceptsProteasomal degradationProteasomal subunitsAdditional functional classesUbiquitin E3 ligaseAutosomal recessive juvenile Parkinson's diseaseUbiquitin signalingE3 ligasesUbiquitin pathwayGenetic inborn errorsUbiquitin genesE3 ligaseSubcellular localizationUbiquitinationRelated proteinsMultiple functional defectsRelevant genesHuman disordersCongenital polycythemiaRegulatory signalingFanconi anemiaGenetic classesOvarian cancer susceptibilityFunctional classificationProteolytic degradationUbiquitin
2003
Disruption of the genomic imprint in trans with homologous recombination at Snrpn in ES cells
Tsai T, Bressler J, Jiang Y, Beaudet AL. Disruption of the genomic imprint in trans with homologous recombination at Snrpn in ES cells. Genesis 2003, 37: 151-161. PMID: 14666508, DOI: 10.1002/gene.10237.Peer-Reviewed Original ResearchConceptsPaternal alleleImprinting centerMaternal alleleSomatic mammalian cellsTrans-acting factorsActivation of expressionSNURF-SNRPN geneMouse ES cellsChromatin domainsGenomic imprintsImprinted domainMammalian cellsHomologous recombinationGene targetingHomologous associationES cellsComplete demethylationSNURF-SNRPNPrader-Willi syndromeExon 2AllelesGenesRecombinantsCellsDomainDerangements 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 changesRequirement of e6ap and the features of human papillomavirus e6 necessary to support degradation of p53
Cooper B, Schneider S, Bohl J, Jiang Y, Beaudet A, Pol S. Requirement of e6ap and the features of human papillomavirus e6 necessary to support degradation of p53. Virology 2003, 306: 87-99. PMID: 12620801, DOI: 10.1016/s0042-6822(02)00012-0.Peer-Reviewed Original Research