2021
MRTFA: A critical protein in normal and malignant hematopoiesis and beyond
Reed F, Larsuel ST, Mayday MY, Scanlon V, Krause DS. MRTFA: A critical protein in normal and malignant hematopoiesis and beyond. Journal Of Biological Chemistry 2021, 296: 100543. PMID: 33722605, PMCID: PMC8079280, DOI: 10.1016/j.jbc.2021.100543.Peer-Reviewed Original ResearchConceptsMalignant hematopoiesisActin cytoskeleton dynamicsCritical cellular functionsResponse factorSerum response factorTranscription factor ACellular rolesImmediate early genesProtein partnersTranscriptional regulationCytoskeleton dynamicsCellular functionsTranscriptional targetsTranscription factorsCytoskeletal proteinsCritical proteinsMRTFAEarly genesCell typesChromosomal translocationsHematopoietic cellsCell growthFactor AHematopoiesisMuscle cells
2020
Current understanding of human megakaryocytic-erythroid progenitors and their fate determinants.
Kwon N, Thompson EN, Mayday MY, Scanlon V, Lu YC, Krause DS. Current understanding of human megakaryocytic-erythroid progenitors and their fate determinants. Current Opinion In Hematology 2020, 28: 28-35. PMID: 33186151, PMCID: PMC7737300, DOI: 10.1097/moh.0000000000000625.Peer-Reviewed Original ResearchConceptsMegakaryocyte-erythroid progenitorsFate decisionsCell fate decisionsMegakaryocytic-erythroid progenitorsGene expression patternsProgenitor cell biologyFate determinantsFate determinationCurrent understandingTranscription factorsCell biologyExpression patternsPluripotent progenitorsProgenitorsModel systemExtrinsic factorsBiologyDisease statesFateDevelopment leadEpigeneticsMegakaryocytesUnderstandingDiscoveryIsolation
2019
MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation
Hu X, Liu ZZ, Chen X, Schulz VP, Kumar A, Hartman AA, Weinstein J, Johnston JF, Rodriguez EC, Eastman AE, Cheng J, Min L, Zhong M, Carroll C, Gallagher PG, Lu J, Schwartz M, King MC, Krause DS, Guo S. MKL1-actin pathway restricts chromatin accessibility and prevents mature pluripotency activation. Nature Communications 2019, 10: 1695. PMID: 30979898, PMCID: PMC6461646, DOI: 10.1038/s41467-019-09636-6.Peer-Reviewed Original ResearchConceptsCell fate reprogrammingChromatin accessibilityActin cytoskeletonSomatic cell reprogrammingPluripotency transcription factorsGlobal chromatin accessibilityGenomic accessibilityCytoskeleton (LINC) complexCell reprogrammingCytoskeletal genesTranscription factorsReprogrammingPluripotencyChromatinCytoskeletonMKL1Unappreciated aspectPathwayNuclear volumeNucleoskeletonSUN2CellsActivationGenesExpression
2018
The Molecular Signature of Megakaryocyte-Erythroid Progenitors Reveals a Role for the Cell Cycle in Fate Specification
Lu YC, Sanada C, Xavier-Ferrucio J, Wang L, Zhang PX, Grimes HL, Venkatasubramanian M, Chetal K, Aronow B, Salomonis N, Krause DS. The Molecular Signature of Megakaryocyte-Erythroid Progenitors Reveals a Role for the Cell Cycle in Fate Specification. Cell Reports 2018, 25: 2083-2093.e4. PMID: 30463007, PMCID: PMC6336197, DOI: 10.1016/j.celrep.2018.10.084.Peer-Reviewed Original ResearchMeSH KeywordsBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsCell CycleCell LineageGene Expression RegulationGene Regulatory NetworksHEK293 CellsHigh-Throughput Nucleotide SequencingHumansMegakaryocyte-Erythroid Progenitor CellsProto-Oncogene Proteins c-mycReproducibility of ResultsSignal TransductionTranscription, GeneticTumor Suppressor Protein p53ConceptsMegakaryocytic-erythroid progenitorsCommon myeloid progenitorsTranscription factorsCell cycleSingle-cell RNA sequencingRegulatory transcription factorsMegakaryocyte-erythroid progenitorsCell cycle regulatorsCell cycle activationFate specificationLineage specificationE lineageMalignant disease statesGenetic manipulationRNA sequencingE progenitorsErythroid maturationCycle regulatorsDifferential expressionHuman cellsHealthy human cellsCycle activationMegakaryocyte progenitorsMolecular signaturesMyeloid progenitorsMRTFA augments megakaryocyte maturation by enhancing the SRF regulatory axis
Rahman NT, Schulz VP, Wang L, Gallagher PG, Denisenko O, Gualdrini F, Esnault C, Krause DS. MRTFA augments megakaryocyte maturation by enhancing the SRF regulatory axis. Blood Advances 2018, 2: 2691-2703. PMID: 30337297, PMCID: PMC6199649, DOI: 10.1182/bloodadvances.2018019448.Peer-Reviewed Original ResearchConceptsSerum response factorHEL cellsTarget genesBinding of SRFMegakaryocyte maturationActivity of SRFSRF target genesUpregulated target genesMyocardin family proteinsTernary complex factor familyTransformation-specific proteinsPrimary hematopoietic cellsHuman erythroleukemia cell lineErythroleukemia cell lineCArG sitesPrimary human CD34Genomic sitesGenomic regionsChromatin immunoprecipitationETS factorsTranscription factorsHuman megakaryopoiesisGenomic associationsMRTFAFactor family
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
Dynamics 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
2002
Development of a murine hematopoietic progenitor complementary DNA microarray using a subtracted complementary DNA library
Ma X, Husain T, Peng H, Lin S, Mironenko O, Maun N, Johnson S, Tuck D, Berliner N, Krause DS, Perkins AS. Development of a murine hematopoietic progenitor complementary DNA microarray using a subtracted complementary DNA library. Blood 2002, 100: 833-844. PMID: 12130493, DOI: 10.1182/blood.v100.3.833.Peer-Reviewed Original ResearchConceptsMyeloid cell differentiationCell differentiationCDNA libraryGene expressionPrimary murine bone marrow cellsSignal transduction genesTypes of genesMurine bone marrow cellsComplementary DNA cloneGenomewide expression analysisStem cell differentiationComplementary DNA libraryComplementary DNA microarrayEML cellsTransduction genesHematopoietic genesUncharacterized ESTsSequence tagsDistinct genesDNA libraryDNA clonesTranscription factorsBone marrow-derived progenitorsExpression analysisDNA microarrays
1997
Regulation of CD34 expression in differentiating M1 cells.
Krause DS, Kapadia SU, Raj NB, May WS. Regulation of CD34 expression in differentiating M1 cells. Experimental Hematology 1997, 25: 1051-61. PMID: 9293902.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAnimalsAntigens, CD34Base SequenceBinding SitesCell DifferentiationCells, CulturedDNA-Binding ProteinsDown-RegulationGene Expression RegulationGene Expression Regulation, DevelopmentalGene Expression Regulation, NeoplasticHematopoiesisLeukemia, MyeloidMiceMolecular Sequence DataNuclear ProteinsRNA, MessengerTranscription, GeneticConceptsTranscription initiation siteUntranslated regionPromoter activityHematopoietic stemCell type-specific expressionSecondary structureTATA-less promoterPromoter-luciferase reporter constructsFull promoter activityUpstream genomic DNAProgenitor cellsTranslation start siteMature blood cellsType-specific expressionOptimal promoter activityExtensive secondary structureP1 nuclease digestionCell-specific factorsTranscriptional initiationGene regulationTranscription factorsConsensus sitesStart siteRegulatory elementsTATA element