2006
Alterations in Expression and Chromatin Configuration of the Alpha Hemoglobin-Stabilizing Protein Gene in Erythroid Krüppel-Like Factor-Deficient Mice
Pilon AM, Nilson DG, Zhou D, Sangerman J, Townes TM, Bodine DM, Gallagher PG. Alterations in Expression and Chromatin Configuration of the Alpha Hemoglobin-Stabilizing Protein Gene in Erythroid Krüppel-Like Factor-Deficient Mice. Molecular And Cellular Biology 2006, 26: 4368-4377. PMID: 16705186, PMCID: PMC1489081, DOI: 10.1128/mcb.02216-05.Peer-Reviewed Original ResearchConceptsErythroid Krüppel-like factorAlpha-hemoglobin-stabilizing proteinWild-type chromatinAHSP promoterCACCC siteBeta-globin gene transcriptionDNase I hypersensitive sitesLocal chromatin structureZinc finger proteinBeta-globin promoterKrüppel-like factorMobility shift assaysBeta-globin geneErythroid genesCACCC sequenceChromatin modulatorsFinger proteinChromatin structureSubtractive hybridizationChromatin statusCACCC boxTranscription factorsProtein geneChromatin configurationHypersensitive sites
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 regionsChromatin Conformation and a Distal Regulatory Element Activate the Human Erythroid Ankyrin-1 Promoter.
Owen A, Liem R, Pilon A, Gallagher P, Bodine D. Chromatin Conformation and a Distal Regulatory Element Activate the Human Erythroid Ankyrin-1 Promoter. Blood 2005, 106: 803. DOI: 10.1182/blood.v106.11.803.803.Peer-Reviewed Original ResearchNon-erythroid cellsRegulatory elementsReporter geneErythroid cellsKb regionLuciferase reporter geneDNase IKb downstreamKb upstreamK562 cellsErythroid-specific transcription factorDNase I hypersensitive sitesE-box binding proteinGreen fluorescent protein (GFP) reporter geneCell typesChromatin conformation captureFluorescent protein reporter geneGFP reporter genePositive regulatory elementErythrocyte membrane skeletonConformation captureChromatin conformationChromatin loopsChromatin structureTranscription factors
2004
Chromatin Remodeling of the Mouse AHSP Gene Requires EKLF.
Pilon A, Wong C, Garrett-Beal L, Weiss M, Gallagher P, Bodine D. Chromatin Remodeling of the Mouse AHSP Gene Requires EKLF. Blood 2004, 104: 375. DOI: 10.1182/blood.v104.11.375.375.Peer-Reviewed Original ResearchAlpha-Hemoglobin Stabilizing ProteinDNase I hypersensitive sitesAHSP geneAHSP gene expressionHypersensitive sitesWild typeΓ-globin mRNAFetal liver cellsHistone H3Human γ-globin genesGene expressionStrong DNase I hypersensitive siteIntron 1Wild-type chromatinChromatin Remodeling ComplexErythroid-specific proteinΓ-globin genePutative promoter sequencesTranscription factor EKLFExon 1Non-coding exonsΑ-globin mRNAPosition-independent expressionMRNA initiation siteRNase protection analysisSequences 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