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
2015
The Histone Methyltransferase Setd8 Is Essential for Mammalian Erythropoiesis
Malik J, Getman M, Lillis J, Gallagher P, Steiner L. The Histone Methyltransferase Setd8 Is Essential for Mammalian Erythropoiesis. Blood 2015, 126: 3577. DOI: 10.1182/blood.v126.23.3577.3577.Peer-Reviewed Original ResearchCell cycle progressionNuclear condensationTranscriptional regulationMammalian erythropoiesisErythroid maturationGATA2 expressionErythroid cellsCycle progressionHistone H4 lysine 20Sole histone methyltransferaseGFP fusion proteinH4 lysine 20Histone methyltransferase Setd8Erythroid transcription factorsErythroid-specific genesEarly embryonic lethalityGlobal transcriptome analysisDNA damage responseMajority of transcriptsRNA-seq analysisCell cycle checkpointsKey regulatory regionsCommitted erythroid progenitorsErythro-myeloid progenitorsPrimary human erythroblasts
2007
A GC Box Element Is Critical for Transcriptional Regulation of the K-Cl Cotransporter Isoform KCC3a in Hematopoetic Cells.
Crable S, Joiner C, Gallagher P. A GC Box Element Is Critical for Transcriptional Regulation of the K-Cl Cotransporter Isoform KCC3a in Hematopoetic Cells. Blood 2007, 110: 1712. DOI: 10.1182/blood.v110.11.1712.1712.Peer-Reviewed Original ResearchUntranslated sequenceInitiator methionineErythroid cellsNovel transcriptsPromoter activityExon 1Cell RNATerminal truncationExon 1DTrans-regulatory factorsMajor splicing isoformsPotential phosphorylation sitesErythroid K562 cellsGC-box elementsFull promoter activityPrimer extension analysisTranslation initiation siteLate erythroid cellsFurther deletion analysisVolume regulationKCl cotransporterLuciferase promoter constructsBone marrow RNATranscriptional regulationEST database
2005
Genomic Organization, Chromatin Structure, and Transcriptional Regulation of the Murine Alpha Hemoglobin Stabilizing Protein (AHSP) Gene.
Dore L, Vakoc C, Blobel G, Hardison R, Bodine D, Gallagher P, Weiss M. Genomic Organization, Chromatin Structure, and Transcriptional Regulation of the Murine Alpha Hemoglobin Stabilizing Protein (AHSP) Gene. Blood 2005, 106: 3633. DOI: 10.1182/blood.v106.11.3633.3633.Peer-Reviewed Original ResearchGATA-1AHSP geneChromatin structureHistone H3 lysine 4Alpha-Hemoglobin Stabilizing ProteinDNase I hypersensitive sitesGene regulatory domainsH3 lysine 4Kb genomic regionTerminal erythroid maturationGATA-1 bindingErythroid-specific expressionTransient transfection assaysInitial functional studiesAHSP promoterSyntenic blocksCandidate modifier genesGenomic organizationLysine 4Erythroid proteinGene regulationStabilizing ProteinTranscriptional regulationAdjacent genesGenomic regions