2012
MKL1 and MKL2 play redundant and crucial roles in megakaryocyte maturation and platelet formation
Smith EC, Thon JN, Devine MT, Lin S, Schulz VP, Guo Y, Massaro SA, Halene S, Gallagher P, Italiano JE, Krause DS. MKL1 and MKL2 play redundant and crucial roles in megakaryocyte maturation and platelet formation. Blood 2012, 120: 2317-2329. PMID: 22806889, PMCID: PMC3447785, DOI: 10.1182/blood-2012-04-420828.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine DiphosphateAnimalsBleeding TimeBlood PlateletsBone Marrow CellsCells, CulturedCrosses, GeneticCytoplasmCytoskeletonGene Expression ProfilingHematopoiesisMegakaryocytesMiceMice, Inbred C57BLMice, KnockoutOligonucleotide Array Sequence AnalysisPlatelet ActivationThrombocytopeniaTrans-ActivatorsTranscription FactorsConceptsMegakaryocyte maturationPlatelet formationSerum response factorSerum response factor expressionMembrane organizationGene expressionMKL1MKL2Response factorDKO miceKO backgroundMegakaryocyte compartmentMegakaryocytesCritical roleMegakaryocyte ploidyExpressionMaturationKnockout miceFactor expressionCrucial roleHomologuesGenesMiceProlonged bleeding timeRole
2010
Serum response factor is an essential transcription factor in megakaryocytic maturation
Halene S, Gao Y, Hahn K, Massaro S, Italiano JE, Schulz V, Lin S, Kupfer GM, Krause DS. Serum response factor is an essential transcription factor in megakaryocytic maturation. Blood 2010, 116: 1942-1950. PMID: 20525922, PMCID: PMC3173990, DOI: 10.1182/blood-2010-01-261743.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBleeding TimeBlood PlateletsBone Marrow CellsCell DifferentiationCell LineageCells, CulturedCytoskeletonFemaleFlow CytometryGene Expression ProfilingLuminescent ProteinsMaleMegakaryocytesMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMicroscopy, Electron, TransmissionPlatelet CountPlatelet Factor 4Reverse Transcriptase Polymerase Chain ReactionSerum Response FactorThrombocytopeniaTranscription FactorsConceptsSerum response factorCytoskeletal genesTranscription factorsMADS-box transcription factorsRole of SRFNormal megakaryocyte maturationAbnormal actin distributionResponse factorEssential transcription factorNormal Mendelian frequencyMegakaryocyte developmentMuscle differentiationPF4-Cre miceStress fibersMegakaryocyte maturationMegakaryocytic maturationActin distributionMegakaryocytic lineageMendelian frequencyMegakaryocyte progenitorsVivo assaysCFU-MKGenesPlatelet productionCritical role
2009
C/EBPε directs granulocytic-vs-monocytic lineage determination and confers chemotactic function via Hlx
Halene S, Gaines P, Sun H, Zibello T, Lin S, Khanna-Gupta A, Williams SC, Perkins A, Krause D, Berliner N. C/EBPε directs granulocytic-vs-monocytic lineage determination and confers chemotactic function via Hlx. Experimental Hematology 2009, 38: 90-103.e4. PMID: 19925846, PMCID: PMC2827304, DOI: 10.1016/j.exphem.2009.11.004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Marrow CellsCCAAT-Enhancer-Binding ProteinsCell DifferentiationCell LineChemotaxis, LeukocyteGene ExpressionGranulocyte-Macrophage Colony-Stimulating FactorGranulocytesHematopoietic Stem CellsHomeodomain ProteinsMiceMice, KnockoutMonocytesMyelopoiesisNeutrophilsReceptors, ChemokineTranscription FactorsTransduction, GeneticConceptsKO cellsNew regulatory functionCommon myeloid progenitorsNeutrophil-specific granule deficiencyProgenitor cell lineCell linesRestoration of expressionDifferentiated cell linesSpecific granule deficiencyLineage-specific cell surface antigensLineage decisionsLineage determinationEpsilon geneCCAAT enhancerDeficiency phenotypeRegulatory functionsChemotaxis defectIntermediate cell typeKO bone marrowPerformed expressionNeutrophil differentiationCell typesFunctional studiesNeutrophil maturationMyeloid progenitorsDynamics of α-globin locus chromatin structure and gene expression during erythroid differentiation of human CD34+ cells in culture
Mahajan MC, Karmakar S, Newburger PE, Krause DS, Weissman SM. Dynamics of α-globin locus chromatin structure and gene expression during erythroid differentiation of human CD34+ cells in culture. Experimental Hematology 2009, 37: 1143-1156.e3. PMID: 19607874, PMCID: PMC2997688, DOI: 10.1016/j.exphem.2009.07.001.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-GlobinsAntigens, CD34CCCTC-Binding FactorCells, CulturedChromatin Assembly and DisassemblyEnhancer Elements, GeneticErythroid Precursor CellsErythropoiesisErythropoietinGATA1 Transcription FactorGene Expression Regulation, DevelopmentalGlycophorinsHematopoietic Cell Growth FactorsHistonesHumansInsulator ElementsNF-E2 Transcription Factor, p45 SubunitProtein BindingRepressor ProteinsRNA Polymerase IITranscription FactorsConceptsAlpha-globin lociTranscription factor recruitmentChromatin structureGATA-1Transcription factorsErythroid differentiationGene expressionFactor recruitmentPol IIQuantitative polymerase chain reaction analysisAlpha-globin gene expressionKey erythroid transcription factorsErythroid transcription factorsNF-E2Chromatin immunoprecipitation-quantitative polymerase chain reaction analysisAlpha-globin genesUpstream activator sitesBeta-like genesPolymerase chain reaction analysisChain reaction analysisStages of erythropoiesisGlobin promoterDifferent differentiation stagesFactor CTCFHistone modifications
2006
SALL4, a novel oncogene, is constitutively expressed in human acute myeloid leukemia (AML) and induces AML in transgenic mice
Ma Y, Cui W, Yang J, Qu J, Di C, Amin HM, Lai R, Ritz J, Krause DS, Chai L. SALL4, a novel oncogene, is constitutively expressed in human acute myeloid leukemia (AML) and induces AML in transgenic mice. Blood 2006, 108: 2726-2735. PMID: 16763212, PMCID: PMC1895586, DOI: 10.1182/blood-2006-02-001594.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsApoptosisBase SequenceBeta CateninCloning, MolecularColony-Forming Units AssayDNA, ComplementaryDNA, NeoplasmDNA-Binding ProteinsGene ExpressionHematopoiesisHumansLeukemia, Myeloid, AcuteMiceMice, TransgenicMyelodysplastic SyndromesNeoplasm TransplantationOncogenesProtein IsoformsRNA, MessengerRNA, NeoplasmSignal TransductionTranscription FactorsWnt ProteinsConceptsAcute myeloid leukemiaMyeloid leukemiaMurine modelTransgenic miceHuman primary acute myeloid leukemiaMDS/acute myeloid leukemiaPrimary acute myeloid leukemiaHuman acute myeloid leukemiaLeukemia stem cellsAML transformationMyelodysplastic syndromePolymerase chain reactionWnt/beta-catenin pathwayZinc finger transcriptional factorNovel oncogeneBeta-catenin pathwayLeukemogenic potentialConstitutive expressionChain reactionPathway's roleLeukemiaSALL4MiceStem cellsMouse marrow
2000
Regulation of CD34 transcription by Sp1 requires sites upstream and downstream of the transcription start site
Taranenko N, Krause D. Regulation of CD34 transcription by Sp1 requires sites upstream and downstream of the transcription start site. Experimental Hematology 2000, 28: 974-984. PMID: 10989198, DOI: 10.1016/s0301-472x(00)00492-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CD34Antigens, NuclearBinding SitesDNADNA HelicasesDNA MethylationDNA ProbesDNA-Binding ProteinsGene Expression RegulationGuanineKu AutoantigenMiceNuclear ProteinsPromoter Regions, GeneticSp1 Transcription FactorTranscription FactorsTranscription, GeneticTransfectionTumor Cells, CulturedUntranslated RegionsConceptsTranscription start sitePromoter activityCD34 promoterStart siteDrosophila S2 cellsHematopoietic cellsTranscription factor bindsDNA binding sitesElectromobility shift assaysSequence-specific mannerS2 cellsTranscriptional regulationMolecular regulationMethylation interferenceDeletion analysisEarly hematopoiesisNuclear proteinsRegulatory regionsFactor bindsShift assaysGene expressionUntranslated regionHematopoietic stemSp1CD34 transcription
1999
A nuclear factor Y (NFY) site positively regulates the human CD34 stem cell gene.
Radomska H, Satterthwaite A, Taranenko N, Narravula S, Krause D, Tenen D. A nuclear factor Y (NFY) site positively regulates the human CD34 stem cell gene. Blood 1999, 94: 3772-80. PMID: 10572091, DOI: 10.1182/blood.v94.11.3772.423k19_3772_3780.Peer-Reviewed Original ResearchConceptsHuman CD34 geneUntranslated regionCD34 geneC-MybPromoter activityCell-cycle regulated expressionMurine CD34 geneC-Myb binding sitesElectrophoretic mobility shift assaysNuclear factor Y (NF-Y) sitesTranscription factor NFYCCAAT box motifStem cell genesMobility shift assaysOptimal promoter activityReporter gene activityAntibody supershift experimentsEarly hematopoietic cellsTransient transfection experimentsBox motifCombinatorial actionGene activityPromoter functionOligonucleotide competitionCis elements
1997
Gotta find GATA a friend
Krause D, Perkins A. Gotta find GATA a friend. Nature Medicine 1997, 3: 960-961. PMID: 9288719, DOI: 10.1038/nm0997-960.Commentaries, Editorials and Letters