2006
Lentivirus Vectors Containing a Band 3/γ-Globin Gene Flanked by Distinct Insulator Elements Are Resistant to Gene Silencing in Primary Mouse Erythroid Cells.
Harrow F, Frazar T, Seidel N, Gallagher P, Bodine D. Lentivirus Vectors Containing a Band 3/γ-Globin Gene Flanked by Distinct Insulator Elements Are Resistant to Gene Silencing in Primary Mouse Erythroid Cells. Blood 2006, 108: 3260. DOI: 10.1182/blood.v108.11.3260.3260.Peer-Reviewed Original ResearchΓ-globin geneLocus control regionInsulator elementsΓ-globinΓ-globin mRNAB3 promoterStart siteΓ-globin gene expressionMouse hematopoietic progenitor cellsLike globin genesAbundant membrane proteinErythroid-specific expressionTranscription start siteΓ-globin expressionMouse erythroid cellsCorrect start sitesHigh-throughput real-time PCRHypersensitive site 4Transgenic miceΒ-globin geneMultiple upstream sitesInsulator activityGlobin genesHematopoietic stem cellsMembrane proteins
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 regionsGATA-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 Promote High-Level Expression of the Human α-Spectrin Gene by Providing Boundary Activity and Positive Regulatory Elements.
Gallagher P, Nilson D, Lin J, Bodine D. Sequences Downstream of the Erythroid Promoter Promote High-Level Expression of the Human α-Spectrin Gene by Providing Boundary Activity and Positive Regulatory Elements. Blood 2004, 104: 1572. DOI: 10.1182/blood.v104.11.1572.1572.Peer-Reviewed Original ResearchPositive regulatory elementGATA-1 sitesAγ-globin geneRegulatory elementsIntron 1Exon 1Gene expressionLuc activitySplice siteGATA-1 activityErythroid-specific expressionHypersensitive site mappingΒ-globin promoterΑ-spectrin geneK562 cellsTransient transfection assaysMutant exon 1Γ-globin proteinMouse linesHigh-level expressionChromatin modificationsSequences 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, ComplementaryDNA-Binding ProteinsErythrocytesErythroid-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
2003
Variegated Expression from the Murine Band 3 (AE1) Promoter in Transgenic Mice Is Associated with mRNA Transcript Initiation at Upstream Start Sites and Can Be Suppressed by the Addition of the Chicken β-Globin 5′ HS4 Insulator Element
Frazar TF, Weisbein JL, Anderson SM, Cline AP, Garrett LJ, Felsenfeld G, Gallagher PG, Bodine DM. Variegated Expression from the Murine Band 3 (AE1) Promoter in Transgenic Mice Is Associated with mRNA Transcript Initiation at Upstream Start Sites and Can Be Suppressed by the Addition of the Chicken β-Globin 5′ HS4 Insulator Element. Molecular And Cellular Biology 2003, 23: 4753-4763. PMID: 12832463, PMCID: PMC162203, DOI: 10.1128/mcb.23.14.4753-4763.2003.Peer-Reviewed Original ResearchConceptsStart siteGamma-globin mRNAUpstream start siteVariegated expressionInsulator elementsHuman gamma-globin geneGamma-globin proteinPosition-effect variegationGamma-globin geneErythroid-specific expressionHS4 insulator elementsBeta-globin clusterHigh steady-state levelsTransgenic mouse assaysErythrocyte membrane skeletonTransgenic miceTransgene copy numberTranscript initiationCytoplasmic domainTransmembrane proteinSteady-state levelsRNA transcriptionMembrane skeletonGene promoterBeta spectrin
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
2000
A Minimal Ankyrin Promoter Linked to a Human γ-Globin Gene Demonstrates Erythroid Specific Copy Number Dependent Expression with Minimal Position or Enhancer Dependence in Transgenic Mice*
Sabatino D, Wong C, Cline A, Pyle L, Garrett L, Gallagher P, Bodine D. A Minimal Ankyrin Promoter Linked to a Human γ-Globin Gene Demonstrates Erythroid Specific Copy Number Dependent Expression with Minimal Position or Enhancer Dependence in Transgenic Mice*. Journal Of Biological Chemistry 2000, 275: 28549-28554. PMID: 10878017, DOI: 10.1074/jbc.m004043200.Peer-Reviewed Original ResearchConceptsAnkyrin promoterPosition-independent expressionErythroid cellsGlobin genesGlobin mRNAHuman γ-globin genesMouse alpha-globin mRNABeta-globin locus control regionAdult erythroid cellsANK-1 geneΓ-globin geneCopy number-dependent expressionLocus control regionErythroid-specific expressionAlpha-globin mRNAFetal erythroid cellsNumber-dependent expressionGlobin mRNA expressionErythrocyte membrane skeletonTransgene copy numberHS2 enhancerTransgenic linesGlobin transgenesControl regionTransgenic mice