2020
Dysregulation of BRD4 Function Underlies the Functional Abnormalities of MeCP2 Mutant Neurons
Xiang Y, Tanaka Y, Patterson B, Hwang SM, Hysolli E, Cakir B, Kim KY, Wang W, Kang YJ, Clement EM, Zhong M, Lee SH, Cho YS, Patra P, Sullivan GJ, Weissman SM, Park IH. Dysregulation of BRD4 Function Underlies the Functional Abnormalities of MeCP2 Mutant Neurons. Molecular Cell 2020, 79: 84-98.e9. PMID: 32526163, PMCID: PMC7375197, DOI: 10.1016/j.molcel.2020.05.016.Peer-Reviewed Original ResearchConceptsMECP2 mutant neuronsEnhancer-promoter interactionsRett syndromeRTT-like phenotypesChromatin bindingMeCP2 functionMethyl-CpGAbnormal transcriptionRTT etiologyMutant neuronsBET inhibitorsPotential therapeutic opportunitiesMECP2 mutationsProtein 2Human brain organoidsFunctional phenotypeJQ1BRD4Therapeutic opportunitiesBrain organoidsFunction underliesMutationsPhenotypeHuman brain culturesCritical driver
2015
Histone Deacetylases Positively Regulate Transcription through the Elongation Machinery
Greer CB, Tanaka Y, Kim YJ, Xie P, Zhang MQ, Park IH, Kim TH. Histone Deacetylases Positively Regulate Transcription through the Elongation Machinery. Cell Reports 2015, 13: 1444-1455. PMID: 26549458, PMCID: PMC4934896, DOI: 10.1016/j.celrep.2015.10.013.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationCell Cycle ProteinsCell Line, TumorEpigenesis, GeneticHistone Deacetylase InhibitorsHistone DeacetylasesHSP90 Heat-Shock ProteinsHumansKineticsNuclear ProteinsProtein BindingProtein Processing, Post-TranslationalRNA Polymerase IITranscription Elongation, GeneticTranscription FactorsConceptsNegative elongation factorElongation factorEnhancer activityHeat shock protein 90 (HSP90) activityEnhancer RNA productionRNA polymerase IISame genomic siteElongation machinerySmall molecule inhibitorsGene bodiesTranscription elongationPolymerase IINascent transcriptionGenomic sitesIntergenic regionGene activationRNA productionEfficient elongationMolecule inhibitorsProtein 4TranscriptionPromoterHDACsEnhancerElongation
2011
Cell cycle adaptations of embryonic stem cells
Ballabeni A, Park IH, Zhao R, Wang W, Lerou PH, Daley GQ, Kirschner MW. Cell cycle adaptations of embryonic stem cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 19252-19257. PMID: 22084091, PMCID: PMC3228440, DOI: 10.1073/pnas.1116794108.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, BiologicalAnaphase-Promoting Complex-CyclosomeAnimalsCell CycleCell Cycle ProteinsCell DifferentiationCell LineChromatinCyclin-Dependent Kinase 2Embryonic Stem CellsFlow CytometryImmunoblottingImmunoprecipitationMiceReal-Time Polymerase Chain ReactionUbiquitin-Protein Ligase ComplexesUbiquitinationConceptsHigh CDK activityCDK activityES cellsAPC/C activityUbiquitin ligase APC/CCell cycle adaptationsAPC/CEmbryonic stem cellsRapid cell cyclesMouse ES cellsMCM proteinsMitotic exitFactor Cdt1Emi1 proteinDNA replicationSomatic cellsCell cycleKey adaptationGap phaseS phaseC enzymesLevels of cyclinG1 phaseNormal progressionStem cells
2010
Telomere elongation in induced pluripotent stem cells from dyskeratosis congenita patients
Agarwal S, Loh YH, McLoughlin EM, Huang J, Park IH, Miller JD, Huo H, Okuka M, dos Reis RM, Loewer S, Ng HH, Keefe DL, Goldman FD, Klingelhutz AJ, Liu L, Daley GQ. Telomere elongation in induced pluripotent stem cells from dyskeratosis congenita patients. Nature 2010, 464: 292-296. PMID: 20164838, PMCID: PMC3058620, DOI: 10.1038/nature08792.Peer-Reviewed Original ResearchConceptsDyskeratosis congenita cellsDyskeratosis congenita patientsPluripotency-associated transcription factorsInduced pluripotent stem cellsPluripotent stem cellsTelomerase componentsTranscription factorsIPS cell technologyGenetic lesionsMultiple tissuesStem cellsDyskeratosis congenitaTERC expressionCellsElongationTelomeraseMaintenanceExpressionCell technology