2023
HEXIM1 is an essential transcription regulator during human erythropoiesis
Lv X, Murphy K, Murphy Z, Getman M, Rahman N, Nakamura Y, Blanc L, Gallagher P, Palis J, Mohandas N, Steiner L. HEXIM1 is an essential transcription regulator during human erythropoiesis. Blood 2023, 142: 2198-2215. PMID: 37738561, PMCID: PMC10733840, DOI: 10.1182/blood.2022019495.Peer-Reviewed Original ResearchMeSH KeywordsBeta-GlobinsErythropoiesisGATA1 Transcription FactorGene Expression RegulationHumansRNA Polymerase IIRNA-Binding ProteinsTranscription FactorsTranscription, GeneticConceptsFetal globin expressionGene expressionGlobin expressionCycle progressionErythroid gene expressionBeta-globinBeta-globin locusGenome-wide profilingRNA polymerase II activityLong non-coding RNANon-coding RNAErythroid proliferationPolymerase II activityCell cycle progressionEssential transcription regulatorRNAPII activityRNAPII occupancyGlobin locusTranscription machineryTranscription regulatorsFetal globinRNAPIIFetal gene expressionHEXIM1Human erythropoiesis
2014
Long noncoding RNAs in erythropoiesis
Gallagher PG. Long noncoding RNAs in erythropoiesis. Blood 2014, 123: 465-466. PMID: 24458276, DOI: 10.1182/blood-2013-12-538306.Peer-Reviewed Original Research
2013
Identification of Biologically Relevant Enhancers in Human Erythroid Cells*
Su MY, Steiner LA, Bogardus H, Mishra T, Schulz VP, Hardison RC, Gallagher PG. Identification of Biologically Relevant Enhancers in Human Erythroid Cells*. Journal Of Biological Chemistry 2013, 288: 8433-8444. PMID: 23341446, PMCID: PMC3605659, DOI: 10.1074/jbc.m112.413260.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBasic Helix-Loop-Helix Transcription FactorsCells, CulturedChromatinChromatin ImmunoprecipitationConserved SequenceE1A-Associated p300 ProteinEnhancer Elements, GeneticErythroid CellsGATA1 Transcription FactorGene Expression RegulationGenes, ReporterHigh-Throughput Nucleotide SequencingHumansKruppel-Like Transcription FactorsLuciferases, FireflyMolecular Sequence AnnotationNF-E2 Transcription Factor, p45 SubunitOligonucleotide Array Sequence AnalysisPolymorphism, Single NucleotidePromoter Regions, GeneticProtein BindingProto-Oncogene ProteinsRNA, MessengerSequence Analysis, DNAT-Cell Acute Lymphocytic Leukemia Protein 1TranscriptomeConceptsHuman erythroid cellsCandidate enhancersTranscriptional start siteErythroid cellsTranscription factorsGenome-wide association study catalogCell type-specific enhancersPrimary human erythroid cellsRegulation of programsGenome-wide mapsErythroid transcription factorsErythroid cell developmentSpecialized cell typesIdentification of enhancersGene expression analysisErythroid traitsMinimal conservationChromatin immunoprecipitationModerate conservationStart siteRelevant enhancersCellular developmentGenetic lociExpression analysisReporter gene
2011
Bi‐allelic deletions within 13q14 and transient trisomy 21 with absence of GATA1s in pediatric acute megakaryoblastic leukemia
Massaro SA, Bajaj R, Pashankar FD, Ornstein D, Gallagher PG, Krause DS, Li P. Bi‐allelic deletions within 13q14 and transient trisomy 21 with absence of GATA1s in pediatric acute megakaryoblastic leukemia. Pediatric Blood & Cancer 2011, 57: 516-519. PMID: 21538823, PMCID: PMC4517576, DOI: 10.1002/pbc.23156.Peer-Reviewed Original Research
2009
Chromatin Architecture and Transcription Factor Binding Regulate Expression of Erythrocyte Membrane Protein Genes
Steiner LA, Maksimova Y, Schulz V, Wong C, Raha D, Mahajan MC, Weissman SM, Gallagher PG. Chromatin Architecture and Transcription Factor Binding Regulate Expression of Erythrocyte Membrane Protein Genes. Molecular And Cellular Biology 2009, 29: 5399-5412. PMID: 19687298, PMCID: PMC2756878, DOI: 10.1128/mcb.00777-09.Peer-Reviewed Original ResearchMeSH KeywordsBasic Helix-Loop-Helix Transcription FactorsChromatinErythrocyte MembraneErythrocytesGATA1 Transcription FactorGene Expression RegulationHeLa CellsHistone DeacetylasesHumansMembrane ProteinsNF-E2 Transcription Factor, p45 SubunitNuclear ProteinsProto-Oncogene ProteinsRepressor ProteinsT-Cell Acute Lymphocytic Leukemia Protein 1Transcription FactorsConceptsErythrocyte membrane protein genesMembrane protein geneNF-E2 bindingGATA-1Protein geneChromatin architectureFOG-1Nonerythroid cellsBinding motifDynamic chromatin architectureHistone H3 trimethylationNF-E2Numerous candidate regionsTranscription factor bindingGATA-1 bindingTranscriptional start siteComplex genetic lociParallel DNA sequencingGenomic organizationLocus structureLysine 4H3 trimethylationGene regulationChromatin immunoprecipitationStart site
2005
GATA-1 and Oct-1 Are Required for Expression of the Human α-Hemoglobin-stabilizing Protein Gene*
Gallagher PG, Liem RI, Wong E, Weiss MJ, Bodine DM. GATA-1 and Oct-1 Are Required for Expression of the Human α-Hemoglobin-stabilizing Protein Gene*. Journal Of Biological Chemistry 2005, 280: 39016-39023. PMID: 16186125, DOI: 10.1074/jbc.m506062200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBinding SitesBlood ProteinsCell LineCloning, MolecularDNA, ComplementaryErythropoiesisGATA1 Transcription FactorGene ExpressionGlobinsHeLa CellsHumansMiceMice, TransgenicMolecular ChaperonesMolecular Sequence DataMutationOctamer Transcription Factor-1Promoter Regions, GeneticRecombinant ProteinsRNA, MessengerConceptsAlpha-hemoglobin-stabilizing proteinGATA-1AHSP promoterAHSP genePromoter/reporter plasmidsGel mobility shift assaysAHSP gene expressionChromatin immunoprecipitation assaysErythroid-specific expressionMobility shift assaysFurther genetic studiesHuman tissue culture cell linesErythroid proteinTissue culture cell linesErythroid promoterNonerythroid tissuesProtein geneImmunoprecipitation assaysRegulatory elementsShift assaysGene promoterReporter geneCandidate genesDNase IGene expression
2004
Sequences Downstream of the Erythroid Promoter Are Required for High Level Expression of the Human α-Spectrin Gene*
Wong EY, Lin J, Forget BG, Bodine DM, Gallagher PG. Sequences Downstream of the Erythroid Promoter Are Required for High Level Expression of the Human α-Spectrin Gene*. Journal Of Biological Chemistry 2004, 279: 55024-55033. PMID: 15456760, DOI: 10.1074/jbc.m408886200.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBinding SitesCell DifferentiationCell MembraneCell NucleusChromatin ImmunoprecipitationCREB-Binding ProteinDeoxyribonuclease IDNADNA PrimersDNA-Binding ProteinsDNA, ComplementaryErythrocytesErythroid-Specific DNA-Binding FactorsEthidiumExonsGATA1 Transcription FactorGenes, ReporterHeLa CellsHumansImmunoprecipitationIntronsK562 CellsLuciferasesModels, GeneticMolecular Sequence DataMutationNuclear ProteinsPlasmidsPromoter Regions, GeneticSpectrinTemperatureTrans-ActivatorsTranscription FactorsTransfectionConceptsErythroid-specific expressionAlpha-spectrin geneGATA-1 sitesCore promoterDNase I hypersensitive sitesElectrophoretic mobility shift assaysChromatin immunoprecipitation assaysMobility shift assaysΑ-spectrin geneThymidine kinase promoterPositive regulatory elementHigh-level expressionGenomic orientationErythroid promoterGATA-1Membrane proteinsHypersensitive sitesImmunoprecipitation assaysRegulatory elementsSequence downstreamShift assaysErythroid differentiationTransfection assaysEnhancer activityReporter gene
2002
Erythroid Expression of the Human α-Spectrin Gene Promoter Is Mediated by GATA-1- and NF-E2-binding Proteins*
Boulanger L, Sabatino DE, Wong EY, Cline AP, Garrett LJ, Garbarz M, Dhermy D, Bodine DM, Gallagher PG. Erythroid Expression of the Human α-Spectrin Gene Promoter Is Mediated by GATA-1- and NF-E2-binding Proteins*. Journal Of Biological Chemistry 2002, 277: 41563-41570. PMID: 12196550, DOI: 10.1074/jbc.m208184200.Peer-Reviewed Original ResearchMeSH Keywords5' Flanking RegionAnimalsBase SequenceBinding SitesDNA, ComplementaryDNA-Binding ProteinsErythroid Precursor CellsErythroid-Specific DNA-Binding FactorsErythropoiesisGATA1 Transcription FactorHeLa CellsHumansK562 CellsMiceMice, TransgenicMolecular Sequence DataNF-E2 Transcription FactorNF-E2 Transcription Factor, p45 SubunitPromoter Regions, GeneticSpectrinTranscription FactorsConceptsGene promoterGATA-1Reporter genePromoter/reporter plasmidsAlpha-spectrinGel mobility shift assaysErythroid-specific expressionFull promoter activityAlpha-spectrin geneMobility shift assaysErythroid progenitor cellsHuman tissue culture cell linesTissue culture cell linesAdult reticulocytesErythroid promoterNonerythroid tissuesMembrane proteinsLow-level expressionRegulatory elementsShift assaysErythroid expressionCell shapeDNase IErythroid cellsPromoter activity