2008
An insulator with barrier-element activity promotes α-spectrin gene expression in erythroid cells
Gallagher PG, Nilson DG, Steiner LA, Maksimova YD, Lin JY, Bodine DM. An insulator with barrier-element activity promotes α-spectrin gene expression in erythroid cells. Blood 2008, 113: 1547-1554. PMID: 19008453, PMCID: PMC2644083, DOI: 10.1182/blood-2008-06-164954.Peer-Reviewed Original ResearchConceptsIntron 1Erythroid cellsErythrocyte membrane protein genesExon 1Chicken HS4 insulatorGamma-globin proteinChromatin immunoprecipitation assaysEarly erythroid developmentMembrane protein geneAlpha-spectrin geneTissue-specific expressionMembrane biogenesisErythroid developmentGlobin genesHS4 insulatorImmunoprecipitation assaysProtein geneReporter geneGene expressionDevelopmental stagesGenesPromoterAdult erythrocytesExpressionSpectrin
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 modificationsChromatin 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 analysis