2008
Insulator Elements in Erythrocyte Membrane Genes
Steiner L, Maksimova Y, Lin J, Owen A, Schulz V, Bodine D, Gallagher P. Insulator Elements in Erythrocyte Membrane Genes. Blood 2008, 112: 3584. DOI: 10.1182/blood.v112.11.3584.3584.Peer-Reviewed Original ResearchErythrocyte membrane protein genesPosition-effect variegationMembrane protein geneProtein geneChromatin domainsAnkyrin promoterDNA sequencesErythroid cellsInsulator elementsMapping protein-DNA interactionsHeterochromatin-mediated geneGenome-wide scaleGenomic DNA microarrayBinding of CTCFStage-specific transcriptsEnhancer-blocking functionProtein-DNA interactionsCopy number-dependent expressionTissue-specific expressionProtein gene expressionCTCF occupancyRepetitive DNAInsulator functionSeparate enhancersErythroid promoterAn 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
2007
Alternate Promoters Direct Tissue-Specific Expression of Erythrocyte Ankyrin Transcripts with Novel NH2-Termini.
Steiner L, Lin J, Owens A, Sangerman J, Bodine D, Gallagher P. Alternate Promoters Direct Tissue-Specific Expression of Erythrocyte Ankyrin Transcripts with Novel NH2-Termini. Blood 2007, 110: 1710. DOI: 10.1182/blood.v110.11.1710.1710.Peer-Reviewed Original ResearchExon 1AExon 1bInitiator methionineFirst exonKb downstreamErythroid cellsNH2 terminusDNase I hypersensitive site mappingDirect tissue-specific expressionAmino acidsHypersensitive site mappingTissue-restricted patternTissue-specific expressionExon 1Alternate first exonsQuantitative RT-PCR analysisGATA-1 sitesTissue-specific promotersGene expression studiesLuciferase expressionExon 2 sequencesSkeletal muscleIsoform diversityAnkyrin repeatsAnkyrin-1 mutations
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
1995
cDNA Structure, Tissue-Specific Expression, and Chromosomal Localization of the Murine Band 7.2b Gene
Gallagher P, Romana M, Lieman J, Ward D. cDNA Structure, Tissue-Specific Expression, and Chromosomal Localization of the Murine Band 7.2b Gene. Blood 1995, 86: 359-365. PMID: 7540886, DOI: 10.1182/blood.v86.1.359.bloodjournal861359.Peer-Reviewed Original ResearchConceptsTissue-specific expressionSingle membrane-spanning domainMembrane-spanning domainsBp of cDNAOpen reading frameChromosomal localizationSignificant homologyReading frameCDNA structureHuman homologueAlpha-helixProtein structureBeta sheetAmino acidsErythrocyte membranesGenesProximal regionDatabase searchingProteinSitu hybridizationCDNADistal regionWider patternsSkeletal muscleExpression