2016
CTCF and CohesinSA-1 Mark Active Promoters and Boundaries of Repressive Chromatin Domains in Primary Human Erythroid Cells
Steiner LA, Schulz V, Makismova Y, Lezon-Geyda K, Gallagher PG. CTCF and CohesinSA-1 Mark Active Promoters and Boundaries of Repressive Chromatin Domains in Primary Human Erythroid Cells. PLOS ONE 2016, 11: e0155378. PMID: 27219007, PMCID: PMC4878738, DOI: 10.1371/journal.pone.0155378.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCCCTC-Binding FactorCells, CulturedChromatinChromatin ImmunoprecipitationErythroid CellsErythropoiesisGene Expression ProfilingHematopoietic Stem CellsHigh-Throughput Nucleotide SequencingHumansK562 CellsNuclear ProteinsPromoter Regions, GeneticProtein BindingProtein Interaction MapsRepressor ProteinsSequence Analysis, RNAConceptsPrimary human erythroid cellsRepressive chromatin domainsHuman erythroid cellsChromatin domainsErythroid cellsChromatin architectureGene promoterGene expressionPrimary human hematopoietic stemCell type-specific mannerCritical cellular processesSites of CTCFGenome-wide dataHigh-throughput sequencingMRNA transcriptome analysisHuman hematopoietic stemRepressive chromatinCohesin sitesProtein occupancyInsulator functionRepressive domainsTranscriptional regulationCTCF sitesDomain architectureRelated gene expressionThe genetic basis of asymptomatic codon 8 frame‐shift (HBB:c25_26delAA) β0‐thalassaemia homozygotes
Jiang Z, Luo HY, Huang S, Farrell JJ, Davis L, Théberge R, Benson KA, Riolueang S, Viprakasit V, Al-Allawi NA, Ünal S, Gümrük F, Akar N, Başak AN, Osorio L, Badens C, Pissard S, Joly P, Campbell AD, Gallagher PG, Steinberg MH, Forget BG, Chui DH. The genetic basis of asymptomatic codon 8 frame‐shift (HBB:c25_26delAA) β0‐thalassaemia homozygotes. British Journal Of Haematology 2016, 172: 958-965. PMID: 26771086, DOI: 10.1111/bjh.13909.Peer-Reviewed Original Research
2015
Pomalidomide reverses γ-globin silencing through the transcriptional reprogramming of adult hematopoietic progenitors
Dulmovits BM, Appiah-Kubi AO, Papoin J, Hale J, He M, Al-Abed Y, Didier S, Gould M, Husain-Krautter S, Singh SA, Chan KW, Vlachos A, Allen SL, Taylor N, Marambaud P, An X, Gallagher PG, Mohandas N, Lipton JM, Liu JM, Blanc L. Pomalidomide reverses γ-globin silencing through the transcriptional reprogramming of adult hematopoietic progenitors. Blood 2015, 127: 1481-1492. PMID: 26679864, PMCID: PMC4797024, DOI: 10.1182/blood-2015-09-667923.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnemia, Sickle CellBeta-GlobinsCarrier ProteinsErythroid Precursor CellsErythropoiesisFetal HemoglobinGamma-GlobinsGene Expression Regulation, DevelopmentalGenetic VectorsHematopoietic Stem CellsHistone DemethylasesHumansIkaros Transcription FactorKruppel-Like Transcription FactorsLentivirusMultiple MyelomaNeoplasm ProteinsNuclear ProteinsProteasome Endopeptidase ComplexRepressor ProteinsRNA InterferenceRNA, Small InterferingSOXD Transcription FactorsThalidomideTranscription, GeneticConceptsSickle cell anemiaCell anemiaΓ-globinThird-generation immunomodulatory drugAdult human erythroblastsMultiple myeloma patientsHematopoietic progenitorsΓ-globin levelsΓ-globin repressionCurrent therapeutic strategiesErythroid differentiation programFetal hemoglobinAdult hematopoietic progenitorsPomalidomide treatmentImmunomodulatory drugsMyeloma patientsTranscriptional reprogrammingFetal hemoglobin productionTranscription networksTherapeutic strategiesDifferentiation programPomalidomideHuman erythroblastsΒ-hemoglobinopathiesGenetic ablation
2013
Fetal hemoglobin in sickle cell anemia: Genetic studies of the Arab-Indian haplotype
Ngo D, Bae H, Steinberg MH, Sebastiani P, Solovieff N, Baldwin CT, Melista E, Safaya S, Farrer LA, Al-Suliman AM, Albuali WH, Bagshi M, Naserullah Z, Akinsheye I, Gallagher P, Luo HY, Chui DH, Farrell JJ, Al-Ali AK, Alsultan A. Fetal hemoglobin in sickle cell anemia: Genetic studies of the Arab-Indian haplotype. Blood Cells Molecules And Diseases 2013, 51: 22-26. PMID: 23465615, PMCID: PMC3647015, DOI: 10.1016/j.bcmd.2012.12.005.Peer-Reviewed Original ResearchAdolescentAdultAllelesAnemia, Sickle CellArabsBeta-GlobinsCarrier ProteinsChildChild, PreschoolFetal HemoglobinGenes, mybGTP-Binding ProteinsHaplotypesHemoglobin, SickleHomeodomain ProteinsHSP70 Heat-Shock ProteinsHumansKruppel-Like Transcription FactorsLocus Control RegionMiddle AgedMutationNuclear ProteinsPeptide Elongation FactorsPolymorphism, GeneticPromoter Regions, GeneticRepressor ProteinsSequence Analysis, DNATranscription FactorsYoung Adult
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
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