2021
Polycomb complexes redundantly maintain epidermal stem cell identity during development
Cohen I, Bar C, Liu H, Valdes VJ, Zhao D, Galbo PM, Silva JM, Koseki H, Zheng D, Ezhkova E. Polycomb complexes redundantly maintain epidermal stem cell identity during development. Genes & Development 2021, 35: 354-366. PMID: 33602871, PMCID: PMC7919412, DOI: 10.1101/gad.345363.120.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationEmbryonic Stem CellsEpidermal CellsGene Expression Regulation, DevelopmentalHEK293 CellsHumansMicePolycomb Repressive Complex 1Polycomb Repressive Complex 2Polycomb-Group ProteinsTranscription FactorsConceptsFunctional redundancyTranscription factorsRepressive chromatin domainsStem cell identityEpidermal stem cellsStrong derepressionEpidermal identityPolycomb complexesChromatin domainsDevelopmental regulatorsIdentity genesPRC2 functionGene repressionGenomic bindingCell identityMolecular dissectionEpidermal progenitorsLineage identityPRC2PRC1Ectopic expressionSevere defectsEpidermal stratificationPhysiological significanceStem cells
2019
Polycomb Repressive Complex 1 Controls Maintenance of Fungiform Papillae by Repressing Sonic Hedgehog Expression
Bar C, Cohen I, Zhao D, Pothula V, Litskevitch A, Koseki H, Zheng D, Ezhkova E. Polycomb Repressive Complex 1 Controls Maintenance of Fungiform Papillae by Repressing Sonic Hedgehog Expression. Cell Reports 2019, 28: 257-266.e5. PMID: 31269445, PMCID: PMC6921245, DOI: 10.1016/j.celrep.2019.06.011.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBody PatterningCell CycleChromatin ImmunoprecipitationChromatin Immunoprecipitation SequencingCyclin-Dependent Kinase Inhibitor p16Epigenesis, GeneticEpitheliumGene Expression Regulation, DevelopmentalGene OntologyHedgehog ProteinsMiceMice, KnockoutMicroscopy, Electron, ScanningPolycomb Repressive Complex 1Polycomb Repressive Complex 2RNA-SeqSignal TransductionTaste BudsTongueConceptsGene expressionPolycomb Repressive Complex 1Spatial gene expression patternsRepressive Complex 1Gene expression patternsCell gene expressionChromatin regulatorsTissue patterningSonic hedgehog expressionEpigenetic regulationNiche structureExpression patternsCell genesEpithelial progenitorsHedgehog expressionShhEctopic ShhTaste cellsPapilla structuresTissue patternsExpressionCellsPatterningProper maintenanceComplexes 1
2018
PRC1 preserves epidermal tissue integrity independently of PRC2
Cohen I, Zhao D, Menon G, Nakayama M, Koseki H, Zheng D, Ezhkova E. PRC1 preserves epidermal tissue integrity independently of PRC2. Genes & Development 2018, 33: 55-60. PMID: 30567998, PMCID: PMC6317312, DOI: 10.1101/gad.319939.118.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell AdhesionEpidermal CellsEpidermisEpigenesis, GeneticGene Expression Regulation, DevelopmentalHistonesMicePolycomb Repressive Complex 1Polycomb Repressive Complex 2Skin DiseasesConceptsAdhesion genesEpidermal tissue integrityLoss of PRC1PRC1 functionChromatin regulatorsEpigenetic regulationMolecular dissectionPRC2PRC1Gene expressionTissue developmentSkin morphogenesisFunctional linkSkin fragility syndromeEpidermal stratificationEpidermal integrityTissue integrityGenesExpressionH3K27me3Fragility syndromeMorphogenesisRegulatorCobindingRegulation