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
The Human Alpha Hemoglobin Stabilizing Protein (AHSP) Gene Locus in EKLF-Deficient Erythroid Cells.
Pilon A, Zhou D, Weiss M, Townes T, Bodine D, Gallagher P. The Human Alpha Hemoglobin Stabilizing Protein (AHSP) Gene Locus in EKLF-Deficient Erythroid Cells. Blood 2005, 106: 1740. DOI: 10.1182/blood.v106.11.1740.1740.Peer-Reviewed Original ResearchCACCC siteErythroid cellsWild typeModifier genesDNase I hypersensitive site mappingLocal chromatin structureΒ-globin transcriptionErythroid-specific proteinΒ-globin gene promoterDNA-protein complexesFetal liver cellsTranscription factor EKLFChromatin immunoprecipitation analysisΒ-globin sequencesHypersensitive site mappingFetal liverMobility shift assaysPromoter-luciferase reporter plasmidProximal CACCC boxFetal liver DNACore promoter regionAHSP promoterDeficient fetal liver cellsEKLF geneChromatin modulatorsGenomic 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
Multiple Defects in Erythroid Gene Expression in Erythroid Krupple-Like Factor (EKLF) Target Genes in EKLF-Deficient Mice.
Gallagher P, Pilon A, Arcasoy M, Bodine D. Multiple Defects in Erythroid Gene Expression in Erythroid Krupple-Like Factor (EKLF) Target Genes in EKLF-Deficient Mice. Blood 2004, 104: 1602. DOI: 10.1182/blood.v104.11.1602.1602.Peer-Reviewed Original ResearchDNaseI hypersensitive sitesSubtractive hybridizationHypersensitive sitesΒ-globin geneHistone H3Transcription factorsTarget genesFetal liver cellsΒ-spectrinGene expressionΒ-globinErythroid gene expressionMouse Genome 430 2.0 ArrayAffymetrix GeneChip Mouse Genome 430 2.0 ArrayFactor target genesAHSP gene expressionChromatin immunoprecipitation analysisBand 3Mature erythroid progenitorsAHSP promoterRBC membrane proteinsErythroid genesChromatin upstreamChromatin modulatorsRegulated genes