2016
CTCF and CohesinSA-1 Mark Active Promoters and Boundaries of Repressive Chromatin Domains in Primary Human Erythroid Cells
Steiner LA, Schulz V, Makismova Y, Lezon-Geyda K, Gallagher PG. CTCF and CohesinSA-1 Mark Active Promoters and Boundaries of Repressive Chromatin Domains in Primary Human Erythroid Cells. PLOS ONE 2016, 11: e0155378. PMID: 27219007, PMCID: PMC4878738, DOI: 10.1371/journal.pone.0155378.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCCCTC-Binding FactorCells, CulturedChromatinChromatin ImmunoprecipitationErythroid CellsErythropoiesisGene Expression ProfilingHematopoietic Stem CellsHigh-Throughput Nucleotide SequencingHumansK562 CellsNuclear ProteinsPromoter Regions, GeneticProtein BindingProtein Interaction MapsRepressor ProteinsSequence Analysis, RNAConceptsPrimary human erythroid cellsRepressive chromatin domainsHuman erythroid cellsChromatin domainsErythroid cellsChromatin architectureGene promoterGene expressionPrimary human hematopoietic stemCell type-specific mannerCritical cellular processesSites of CTCFGenome-wide dataHigh-throughput sequencingMRNA transcriptome analysisHuman hematopoietic stemRepressive chromatinCohesin sitesProtein occupancyInsulator functionRepressive domainsTranscriptional regulationCTCF sitesDomain architectureRelated gene expression
2013
USF1 and hSET1A Mediated Epigenetic Modifications Regulate Lineage Differentiation and HoxB4 Transcription
Deng C, Li Y, Liang S, Cui K, Salz T, Yang H, Tang Z, Gallagher PG, Qiu Y, Roeder R, Zhao K, Bungert J, Huang S. USF1 and hSET1A Mediated Epigenetic Modifications Regulate Lineage Differentiation and HoxB4 Transcription. PLOS Genetics 2013, 9: e1003524. PMID: 23754954, PMCID: PMC3675019, DOI: 10.1371/journal.pgen.1003524.Peer-Reviewed Original ResearchMeSH KeywordsBasic Helix-Loop-Helix Transcription FactorsCell DifferentiationCell LineageEmbryonic Stem CellsEpigenesis, GeneticGene Expression RegulationHistone-Lysine N-MethyltransferaseHomeodomain ProteinsHumansK562 CellsMesodermMethyltransferasesProto-Oncogene ProteinsT-Cell Acute Lymphocytic Leukemia Protein 1Transcription FactorsTranscriptional ActivationUpstream Stimulatory FactorsConceptsEmbryonic stem cellsLineage differentiationTrithorax complexesHoxb4 genesMethyltransferase complexTranscription preinitiation complex assemblyHistone H3K4 methyltransferase complexRNA interference-mediated knockdownBivalent chromatin domainsH3K4 methyltransferase complexUndifferentiated embryonic stem cellsPreinitiation complex assemblyHistone methyltransferase complexTranscription factor USF1H3K4 methyltransferase activityHematopoietic stem/progenitor cellsHematopoietic cell populationsStem/progenitor cellsDPY-30HOXB4 promoterMesoderm specificationChromatin domainsMesoderm differentiationH3K4me3 modificationHematopoietic transition
2011
Integrated Genome-Wide CTCF and CohesinSA1 Occupancy and Expression Analyses in Erythropoiesis
Schulz V, Steiner L, Maksimova Y, Gallagher P. Integrated Genome-Wide CTCF and CohesinSA1 Occupancy and Expression Analyses in Erythropoiesis. Blood 2011, 118: 1305. DOI: 10.1182/blood.v118.21.1305.1305.Peer-Reviewed Original ResearchSites of CTCFCTCF sitesCell-type specificIntergenic regionErythroid cellsChromatin domainsCohesin complexCell typesGene promoterRefSeq genesLong-range chromatin interactionsPrimary human erythroid cellsRepressive chromatin marksCell type-specific mannerDistal intergenic regionsMacromolecule catabolic processHigh-throughput sequencingHuman erythroid cellsMRNA transcriptome analysisChromatin marksChromatin interactionsChromosome segregationInduction of apoptosisCTCF bindingTranscriptional activator
2010
A Common Regulatory Signature Associated with Barrier Insulators in Human Primary Erythroid Cells
Steiner L, Maksimova Y, Schulz V, Gallagher P. A Common Regulatory Signature Associated with Barrier Insulators in Human Primary Erythroid Cells. Blood 2010, 116: 3868. DOI: 10.1182/blood.v116.21.3868.3868.Peer-Reviewed Original ResearchGenome-wide mapsPrimary erythroid cellsErythroid cellsProximal promoterChromatin domainsBarrier insulatorsChIP-seqRegulatory signaturesMammalian cellsGene promoterEnhancer-blocking insulator activityTissue-specific gene expressionUpstream stimulatory factor proteinsHeterochromatin-mediated geneGenome-wide occupancyRole of CTCFRecruitment of enzymesΒ-globin locusHistone methyltransferase activityHuman primary erythroid cellsSpecific transcription factorsChicken β-globin locusProximal promoter regionProtein CTCFChromatin boundaries
2008
Insulator Elements in Erythrocyte Membrane Genes
Steiner L, Maksimova Y, Lin J, Owen A, Schulz V, Bodine D, Gallagher P. Insulator Elements in Erythrocyte Membrane Genes. Blood 2008, 112: 3584. DOI: 10.1182/blood.v112.11.3584.3584.Peer-Reviewed Original ResearchErythrocyte membrane protein genesPosition-effect variegationMembrane protein geneProtein geneChromatin domainsAnkyrin promoterDNA sequencesErythroid cellsInsulator elementsMapping protein-DNA interactionsHeterochromatin-mediated geneGenome-wide scaleGenomic DNA microarrayBinding of CTCFStage-specific transcriptsEnhancer-blocking functionProtein-DNA interactionsCopy number-dependent expressionTissue-specific expressionProtein gene expressionCTCF occupancyRepetitive DNAInsulator functionSeparate enhancersErythroid promoter