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
2008
Local and Distant Elements Regulate Tissue-Specific Expression of ANK-1 Gene Transcripts
Owen A, Laflamme K, Pilon A, Garrett L, Gallagher P, Bodine D. Local and Distant Elements Regulate Tissue-Specific Expression of ANK-1 Gene Transcripts. Blood 2008, 112: 2432. DOI: 10.1182/blood.v112.11.2432.2432.Peer-Reviewed Original ResearchNon-erythroid cellsHypersensitive sitesTransient transfection assaysConsensus sequenceChromatin loopsGATA-1NF-E2Promoter sequencesKb regionHistone acetylationErythroid transcription factor NF-E2Transfection assaysFirst exonDNase IErythroid cellsDevelopmental stage-specific patternsLocal chromatin architectureProtein-coding genesChromatin conformation captureANK-1 geneRNA Pol IITranscription initiation complexErythroid K562 cellsDNase hypersensitive sitesGATA-1 bindingChromatin Architecture and Transcription Factor Occupancy of Erythrocyte Membrane Genes Studied by Chromatin Immunoprecipitation on Microarrays (ChIP-chip)
Steiner L, Maksimova Y, Wong C, Schulz V, Gallagher P. Chromatin Architecture and Transcription Factor Occupancy of Erythrocyte Membrane Genes Studied by Chromatin Immunoprecipitation on Microarrays (ChIP-chip). Blood 2008, 112: 2436. DOI: 10.1182/blood.v112.11.2436.2436.Peer-Reviewed Original ResearchErythrocyte membrane protein genesNF-E2 siteMembrane protein geneGATA-1 sitesTranscriptional start siteChromatin architectureTranscription factor bindingPrimary erythroid cellsGATA-1Protein geneChromatin immunoprecipitationTranscription factorsErythroid cellsH3K4me3 enrichmentFlanking DNAFactor bindingDNA sequencesK562 cellsErythroid transcription factor GATA-1Mapping protein-DNA interactionsNon-erythroid cell linesTranscription factor GATA-1Quantitative ChIP analysisTranscription factor occupancyGenome-wide scale
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 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-Binding ProteinsDNA, ComplementaryErythroid 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
The human ankyrin-1 gene is selectively transcribed in erythroid cell lines despite the presence of a housekeeping-like promoter
Gallagher P, Romana M, Tse W, Lux S, Forget B. The human ankyrin-1 gene is selectively transcribed in erythroid cell lines despite the presence of a housekeeping-like promoter. Blood 2000, 96: 1136-1143. DOI: 10.1182/blood.v96.3.1136.Peer-Reviewed Original ResearchHuman ankyrin-1 geneGATA-1Ankyrin-1 geneErythroid promoterPromoter/reporter plasmidsMultiple transcription initiation sitesElectrophoretic mobility shift assaysHousekeeping gene promoterRegulation of genesCCAAT consensus sequencesTranscription initiation siteMobility shift assaysReporter gene expressionGATA-1 sitesFlanking genomic DNAErythroid cell linesAntibody supershift experimentsCell linesErythrocyte membrane proteinsTissue culture cell linesCACCC siteSp1 sitesMembrane proteinsPromoter sequencesAnkyrin geneThe human ankyrin-1 gene is selectively transcribed in erythroid cell lines despite the presence of a housekeeping-like promoter.
Gallagher P, Romana M, Tse W, Lux S, Forget B. The human ankyrin-1 gene is selectively transcribed in erythroid cell lines despite the presence of a housekeeping-like promoter. Blood 2000, 96: 1136-43. PMID: 10910934, DOI: 10.1182/blood.v96.3.1136.015k48_1136_1143.Peer-Reviewed Original ResearchConceptsHuman ankyrin-1 geneGATA-1Ankyrin-1 geneErythroid promoterPromoter/reporter plasmidsMultiple transcription initiation sitesElectrophoretic mobility shift assaysHousekeeping gene promoterRegulation of genesCCAAT consensus sequencesTranscription initiation siteMobility shift assaysReporter gene expressionGATA-1 sitesErythroid cell linesAntibody supershift experimentsCell linesErythrocyte membrane proteinsTissue culture cell linesCACCC siteSp1 sitesMembrane proteinsPromoter sequencesAnkyrin geneHTF island
1999
A Human β-Spectrin Gene Promoter Directs High Level Expression in Erythroid but Not Muscle or Neural Cells*
Gallagher P, Sabatino D, Romana M, Cline A, Garrett L, Bodine D, Forget B. A Human β-Spectrin Gene Promoter Directs High Level Expression in Erythroid but Not Muscle or Neural Cells*. Journal Of Biological Chemistry 1999, 274: 6062-6073. PMID: 10037687, DOI: 10.1074/jbc.274.10.6062.Peer-Reviewed Original ResearchConceptsBeta-spectrin geneGene promoterHigh-level expressionGATA-1Regulatory elementsReporter geneErythroid tissuesPromoter/reporter plasmidsGel mobility shift assaysLevel expressionGATA-1 motifsFull promoter activityTissue-specific expressionMobility shift assaysAdditional regulatory elementsErythrocyte membrane proteinsHuman tissue culture cell linesTissue culture cell linesErythroid promoterMembrane proteinsShift assaysBeta spectrinHeterologous cellsCell shapeDNase I