2024
Ezrin drives adaptation of monocytes to the inflamed lung microenvironment
Gudneppanavar R, Di Pietro C, H Öz H, Zhang P, Cheng E, Huang P, Tebaldi T, Biancon G, Halene S, Hoppe A, Kim C, Gonzalez A, Krause D, Egan M, Gupta N, Murray T, Bruscia E. Ezrin drives adaptation of monocytes to the inflamed lung microenvironment. Cell Death & Disease 2024, 15: 864. PMID: 39613751, PMCID: PMC11607083, DOI: 10.1038/s41419-024-07255-8.Peer-Reviewed Original ResearchConceptsActivation of focal adhesion kinaseExtracellular matrixActin-binding proteinsFocal adhesion kinaseLung extracellular matrixKnock-out mouse modelProtein kinase signalingCortical cytoskeletonLoss of ezrinKinase signalingPlasma membraneCell migrationSignaling pathwayEzrinResponse to lipopolysaccharideTissue-resident macrophagesMouse modelLipopolysaccharideCytoskeletonEzrin expressionLung microenvironmentKinaseMonocyte recruitmentProteinAkt
2019
Adult bone marrow progenitors become decidual cells and contribute to embryo implantation and pregnancy
Tal R, Shaikh S, Pallavi P, Tal A, López-Giráldez F, Lyu F, Fang YY, Chinchanikar S, Liu Y, Kliman HJ, Alderman M, Pluchino N, Kayani J, Mamillapalli R, Krause DS, Taylor HS. Adult bone marrow progenitors become decidual cells and contribute to embryo implantation and pregnancy. PLOS Biology 2019, 17: e3000421. PMID: 31513564, PMCID: PMC6742226, DOI: 10.1371/journal.pbio.3000421.Peer-Reviewed Original ResearchConceptsBM transplantsDecidual cellsPregnancy lossMesenchymal stem cellsAdult bone marrow progenitorsDecidualization-related genesBone marrow progenitorsAdult bone marrowWT donorsPhysiologic contributionSuccessful pregnancyBMDC recruitmentStromal expansionImmune cellsEndometrial cellsDeficient miceUterine expressionUterine tissueDecidual stromaPregnancyBone marrowNonhematopoietic cellsBMDCsHemochorial placentaMarrow progenitorsLow iron promotes megakaryocytic commitment of megakaryocytic-erythroid progenitors in humans and mice
Xavier-Ferrucio J, Scanlon V, Li X, Zhang PX, Lozovatsky L, Ayala-Lopez N, Tebaldi T, Halene S, Cao C, Fleming MD, Finberg KE, Krause DS. Low iron promotes megakaryocytic commitment of megakaryocytic-erythroid progenitors in humans and mice. Blood 2019, 134: 1547-1557. PMID: 31439541, PMCID: PMC6839952, DOI: 10.1182/blood.2019002039.Peer-Reviewed Original ResearchConceptsMK lineage commitmentExtracellular signal-regulated kinase (ERK) pathwaySignal-regulated kinase pathwayMegakaryocytic-erythroid progenitorsBone marrow transplantation assaysSignal transduction analysisIron-deficient conditionsGene expression analysisMegakaryocytic commitmentLineage commitmentTransferrin receptor 2MK lineageTmprss6-/- miceIron sensorExpression analysisKinase pathwayTransduction analysisTransplantation assaysErythroid progenitorsMarrow environmentHematopoietic cellsMessenger RNAPhospho-ERK1/2Systemic iron deficiencyLow ironEpithelial (E)-Cadherin is a Novel Mediator of Platelet Aggregation and Clot Stability
Scanlon VM, Teixeira AM, Tyagi T, Zou S, Zhang PX, Booth CJ, Kowalska MA, Bao J, Hwa J, Hayes V, Marks MS, Poncz M, Krause DS. Epithelial (E)-Cadherin is a Novel Mediator of Platelet Aggregation and Clot Stability. Thrombosis And Haemostasis 2019, 119: 744-757. PMID: 30861547, PMCID: PMC6599679, DOI: 10.1055/s-0039-1679908.Peer-Reviewed Original ResearchConceptsConditional knockout miceKnockout micePlatelet aggregationE-cadherinClot stabilityClot stabilizationSynthase kinase 3β activationAntibody-mediated platelet depletionVivo injury modelsNull plateletsPlatelet productionWild-type miceTail bleeding timeAkt/GSK3βMurine platelet aggregationKnockout mouse modelPlatelet dysfunctionFibrin depositionInjury modelPlatelet depletionPrimary human plateletsBleeding timeMouse modelPlatelet numberE-cadherin antibody
2018
Surfactant protein C dampens inflammation by decreasing JAK/STAT activation during lung repair
Jin H, Ciechanowicz AK, Kaplan AR, Wang L, Zhang P, Lu YC, Tobin RE, Tobin BA, Cohn L, Zeiss CJ, Lee PJ, Bruscia EM, Krause DS. Surfactant protein C dampens inflammation by decreasing JAK/STAT activation during lung repair. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2018, 314: l882-l892. PMID: 29345196, PMCID: PMC6008135, DOI: 10.1152/ajplung.00418.2017.Peer-Reviewed Original ResearchConceptsAcute respiratory distress syndromeKO miceSurfactant protein CClinical acute respiratory distress syndromeProtein CAlveolar type 2 cellsAnti-inflammatory mediatorsRespiratory distress syndromeBronchoalveolar lavage fluidAnti-inflammatory moleculesPhosphorylated signal transductionType 2 cellsSPC expressionInducible suicide geneJanus kinaseLevels of suppressorDistress syndromeBAL fluidGranulocyte infiltrationJAK1/2 inhibitorLavage fluidProinflammatory phenotypeInflammatory cytokinesSevere inflammationInjury model
2017
Hematopoietic defects in response to reduced Arhgap21
Xavier-Ferrucio J, Ricon L, Vieira K, Longhini AL, Lazarini M, Bigarella CL, Franchi G, Krause DS, Saad STO. Hematopoietic defects in response to reduced Arhgap21. Stem Cell Research 2017, 26: 17-27. PMID: 29212046, PMCID: PMC6084430, DOI: 10.1016/j.scr.2017.11.014.Peer-Reviewed Original ResearchConceptsErythroid commitmentProgenitor cellsSerial bone marrow transplantationHuman primary cellsProtein familyRho GTPasesHematopoietic progenitor cellsPhenotypic HSCsRho GTPaseHematopoietic defectsRhoC activityNegative regulatorARHGAP21Hematopoietic stemHematopoietic cellsMyeloid progenitorsProgenitor coloniesPrimary cellsBone marrow cellsCancer cellsFunctional aspectsHaploinsufficient miceMarrow cellsCellsGTPasesSNP in human ARHGEF3 promoter is associated with DNase hypersensitivity, transcript level and platelet function, and Arhgef3 KO mice have increased mean platelet volume
Zou S, Teixeira AM, Kostadima M, Astle WJ, Radhakrishnan A, Simon LM, Truman L, Fang JS, Hwa J, Zhang PX, van der Harst P, Bray PF, Ouwehand WH, Frontini M, Krause DS. SNP in human ARHGEF3 promoter is associated with DNase hypersensitivity, transcript level and platelet function, and Arhgef3 KO mice have increased mean platelet volume. PLOS ONE 2017, 12: e0178095. PMID: 28542600, PMCID: PMC5441597, DOI: 10.1371/journal.pone.0178095.Peer-Reviewed Original ResearchConceptsExpression quantitative lociMK maturationGene expressionRho guanine exchange factorsHuman megakaryocytesGenome-wide association studiesDNase I hypersensitive regionGuanine exchange factorHuman genetic studiesExchange factorReporter mouse modelDNase hypersensitivityQuantitative lociPlatelet traitsMK developmentTranscript levelsCausal SNPsHypersensitive regionARHGEF3Human phenotypesAssociation studiesGenetic studiesHematopoietic subpopulationsGenetic variantsSNPs
2016
Increased susceptibility of Cftr−/− mice to LPS-induced lung remodeling
Bruscia E, Zhang P, Barone C, Scholte BJ, Homer R, Krause D, Egan ME. Increased susceptibility of Cftr−/− mice to LPS-induced lung remodeling. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2016, 310: l711-l719. PMID: 26851259, PMCID: PMC4836110, DOI: 10.1152/ajplung.00284.2015.Peer-Reviewed Original ResearchConceptsLung pathologyCF miceImmune responseWT miceChronic inflammationCystic fibrosisAbnormal immune responseChronic pulmonary infectionPersistent immune responseWild-type littermatesCF mouse modelsPseudomonas aeruginosa lipopolysaccharideCF lung pathologyPulmonary infectionChronic administrationLPS exposurePersistent inflammationLung remodelingWT littermatesLung tissueOverall pathologyMouse modelInflammationChronic exposureBacterial productsLeukaemia-associated Rho guanine nucleotide exchange factor (LARG) plays an agonist specific role in platelet function through RhoA activation
Zou S, Teixeira AM, Yin M, Xiang Y, Xavier-Ferrucio J, Zhang PX, Hwa J, Min W, Krause DS. Leukaemia-associated Rho guanine nucleotide exchange factor (LARG) plays an agonist specific role in platelet function through RhoA activation. Thrombosis And Haemostasis 2016, 116: 506-516. PMID: 27345948, PMCID: PMC5845781, DOI: 10.1160/th15-11-0848.Peer-Reviewed Original ResearchConceptsMegakaryocyte maturationPlatelet functionRhoA activationKO plateletsLeukemia-associated Rho guanineΑ-granule releasePlatelet signal transductionSmall molecule-mediated inhibitionExchange factorSignal transductionMyosin light chain phosphorylationRho guanineKO miceBleeding timeHuman megakaryocytesInternal bleedingPlatelet aggregationNormal haemostasisLight chain phosphorylationHuman plateletsVivo assaysPlateletsSpecific roleMiceChain phosphorylation
2015
Regulation of actin polymerization by tropomodulin-3 controls megakaryocyte actin organization and platelet biogenesis
Sui Z, Nowak RB, Sanada C, Halene S, Krause DS, Fowler VM. Regulation of actin polymerization by tropomodulin-3 controls megakaryocyte actin organization and platelet biogenesis. Blood 2015, 126: 520-530. PMID: 25964668, PMCID: PMC4513252, DOI: 10.1182/blood-2014-09-601484.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsApoptosisBlood PlateletsBlotting, WesternCell MembraneCell ProliferationCells, CulturedCytoplasmEmbryo, MammalianFemaleFluorescent Antibody TechniqueHematopoiesisHemorrhageImmunoprecipitationMegakaryocytesMiceMice, KnockoutMicroscopy, ConfocalMicroscopy, Electron, TransmissionMicroscopy, FluorescencePloidiesPolymerizationTropomodulinConceptsPlatelet biogenesisDemarcation membrane systemF-actinTropomodulin-3Organelle distributionProplatelet formationActin polymerizationF-actin cappingF-actin organizationF-actin cytoskeletonWild-type megakaryocytesActin cytoskeletonActin organizationMK differentiationTmod isoformsLarge proplateletsBiogenesisContractile bundlesActin filamentsDMS formationBinds tropomyosinBud sizeMK numberConfocal microscopyCytoskeleton
2013
Very Small Embryonic‐Like Stem Cells from the Murine Bone Marrow Differentiate into Epithelial Cells of the Lung
Kassmer SH, Jin H, Zhang PX, Bruscia EM, Heydari K, Lee JH, Kim CF, Kassmer SH, Krause DS. Very Small Embryonic‐Like Stem Cells from the Murine Bone Marrow Differentiate into Epithelial Cells of the Lung. Stem Cells 2013, 31: 2759-2766. PMID: 23681901, PMCID: PMC4536826, DOI: 10.1002/stem.1413.Peer-Reviewed Original ResearchConceptsEpithelial cellsSmall embryonic-like stem cellsLung epithelial cellsEmbryonic-like stem cellsStem/progenitor cellsStem cellsDonor miceHematopoietic stem/progenitor cellsBM cellsAdult BMBone marrowSmall embryonicNonhematopoietic cellsProgenitor cellsBroad differentiation potentialVSELsEngraftmentLungHigh rateNumerous reportsAdult stem cellsDifferentiation potentialCellsFirst reportReportReduced Caveolin-1 Promotes Hyperinflammation due to Abnormal Heme Oxygenase-1 Localization in Lipopolysaccharide-Challenged Macrophages with Dysfunctional Cystic Fibrosis Transmembrane Conductance Regulator
Zhang PX, Murray TS, Villella VR, Ferrari E, Esposito S, D'Souza A, Raia V, Maiuri L, Krause DS, Egan ME, Bruscia EM. Reduced Caveolin-1 Promotes Hyperinflammation due to Abnormal Heme Oxygenase-1 Localization in Lipopolysaccharide-Challenged Macrophages with Dysfunctional Cystic Fibrosis Transmembrane Conductance Regulator. The Journal Of Immunology 2013, 190: 5196-5206. PMID: 23606537, PMCID: PMC3711148, DOI: 10.4049/jimmunol.1201607.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsCaveolin 1Cells, CulturedChildChild, PreschoolCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorFemaleHeme Oxygenase-1HumansInflammationLipopolysaccharidesLung DiseasesMacrophagesMaleMembrane ProteinsMiceMice, KnockoutNasal PolypsReactive Oxygen SpeciesSignal TransductionToll-Like Receptor 4Young AdultConceptsCav-1 expressionHeme oxygenase-1Dysfunctional cystic fibrosis transmembrane conductance regulatorCystic fibrosis transmembrane conductance regulatorCell surfaceFibrosis transmembrane conductance regulatorProtein caveolin-1Cellular redox statusCell surface localizationCellular oxidative stateTransmembrane conductance regulatorHO-1 enzymePositive feed-forward loopCystic fibrosis macrophagesNegative regulatorCaveolin-1Conductance regulatorCell survivalHO-1 deliverySurface localizationRedox statusMΦ responsesHO-1/CO pathwayPathwayPotential target
2012
Reducing Mitochondrial ROS Improves Disease-related Pathology in a Mouse Model of Ataxia-telangiectasia
D'Souza AD, Parish IA, Krause DS, Kaech SM, Shadel GS. Reducing Mitochondrial ROS Improves Disease-related Pathology in a Mouse Model of Ataxia-telangiectasia. Molecular Therapy 2012, 21: 42-48. PMID: 23011031, PMCID: PMC3538311, DOI: 10.1038/mt.2012.203.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxia TelangiectasiaAtaxia Telangiectasia Mutated ProteinsCatalaseCD8-Positive T-LymphocytesCell Cycle ProteinsDisease Models, AnimalDNA-Binding ProteinsHematopoiesisImmunologic MemoryLymphomaMiceMice, KnockoutMitochondriaProtein Serine-Threonine KinasesReactive Oxygen SpeciesThymus NeoplasmsTumor Suppressor ProteinsConceptsMitochondrial reactive oxygen speciesReactive oxygen speciesAtaxia telangiectasiaT cell developmental defectsDNA damage responseDisease ataxia telangiectasiaMitochondrial ROS productionOverexpression of catalaseATM kinaseRedox sensingDevelopmental defectsLatter phenotypePartial rescueBone marrow hematopoiesisCancer predispositionNull mouse modelMitochondrial dysfunctionMacrophage differentiationTORC1ROS productionCancer developmentOxygen speciesMouse modelTS pathologyMarrow hematopoiesisMKL1 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 timeRoleNonhematopoietic Cells are the Primary Source of Bone Marrow‐Derived Lung Epithelial Cells
Kassmer SH, Bruscia EM, Zhang P, Krause DS. Nonhematopoietic Cells are the Primary Source of Bone Marrow‐Derived Lung Epithelial Cells. Stem Cells 2012, 30: 491-499. PMID: 22162244, PMCID: PMC3725285, DOI: 10.1002/stem.1003.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsBone Marrow CellsBone Marrow TransplantationCell SeparationEpithelial CellsGene ExpressionLuminescent ProteinsLungMiceMice, 129 StrainMice, Inbred C57BLMice, KnockoutMicroscopy, ConfocalPulmonary Surfactant-Associated Protein CRecombinant ProteinsSingle-Cell AnalysisConceptsLung epithelial cellsNonhematopoietic cellsBM cellsEpithelial cellsBone marrowLungs of miceType 2 pneumocytesNonhematopoietic stem cellsNonhematopoietic fractionAdult BMPrimitive stem cell populationNull miceProgenitor cellsMiceStem cell populationCell populationsMarrowStem cellsMultiple tissuesHematopoietic stemBMCellsPrevious studiesEngraftmentLung
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 roleSENP1-mediated GATA1 deSUMOylation is critical for definitive erythropoiesis
Yu L, Ji W, Zhang H, Renda MJ, He Y, Lin S, Cheng EC, Chen H, Krause DS, Min W. SENP1-mediated GATA1 deSUMOylation is critical for definitive erythropoiesis. Journal Of Experimental Medicine 2010, 207: 1183-1195. PMID: 20457756, PMCID: PMC2882842, DOI: 10.1084/jem.20092215.Peer-Reviewed Original ResearchConceptsSmall ubiquitin-like modifier (SUMO) modificationImportant regulatory mechanismEmbryonic day 13.5Down-regulation correlatesFetal liverCre-loxP systemEmbryonic lethalityProtein functionDefinitive erythropoiesisGene promoterDNA bindingRegulatory mechanismsGene expressionGATA1SENP1Fetal liver cellsProtein analysisDay 13.5Global deletionProteinSubsequent erythropoiesisKnockout miceErythropoiesisLiver cellsDeSUMOylation
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 progenitorsRole for MKL1 in megakaryocytic maturation
Cheng EC, Luo Q, Bruscia EM, Renda MJ, Troy JA, Massaro SA, Tuck D, Schulz V, Mane SM, Berliner N, Sun Y, Morris SW, Qiu C, Krause DS. Role for MKL1 in megakaryocytic maturation. Blood 2009, 113: 2826-2834. PMID: 19136660, PMCID: PMC2661865, DOI: 10.1182/blood-2008-09-180596.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood Cell CountBone MarrowCell DifferentiationCell Line, TumorCells, CulturedDNA-Binding ProteinsGene Expression ProfilingGene Expression RegulationHumansLeukemia, Erythroblastic, AcuteMegakaryocytesMiceMice, Inbred C57BLMice, KnockoutOligonucleotide Array Sequence AnalysisOncogene Proteins, FusionPloidiesRecombinant Fusion ProteinsRNA InterferenceRNA, Small InterferingSerum Response FactorThrombocytopeniaThrombopoiesisThrombopoietinTrans-ActivatorsConceptsMegakaryoblastic leukemia 1Reduced platelet countsSerum response factorMegakaryocytic differentiationPeripheral bloodPlatelet countMKL1 expressionMegakaryoblastic leukemiaBone marrow megakaryocytesMuscle cellsPresence of thrombopoietinPhysiologic maturationHuman erythroleukemia cell lineIncreased numberMarrow megakaryocytesCell linesErythroleukemia cell lineMegakaryocytesMegakaryocytic maturationDifferentiated muscle cellsOverexpressionConcurrent increaseMuscle differentiationCellsMaturation
2008
Hepatocyte Nuclear Factor‐1 as Marker of Epithelial Phenotype Reveals Marrow‐Derived Hepatocytes, but Not Duct Cells, After Liver Injury in Mice
Swenson ES, Guest I, Ilic Z, Mazzeo‐Helgevold M, Lizardi P, Hardiman C, Sell S, Krause DS. Hepatocyte Nuclear Factor‐1 as Marker of Epithelial Phenotype Reveals Marrow‐Derived Hepatocytes, but Not Duct Cells, After Liver Injury in Mice. Stem Cells 2008, 26: 1768-1777. PMID: 18467658, PMCID: PMC2846397, DOI: 10.1634/stemcells.2008-0148.Peer-Reviewed Original ResearchConceptsMarrow-derived epithelial cellsHepatocyte nuclear factor 1Y chromosomeNuclear factor 1Ductal progenitor cellsLiver injuryInflammatory cellsFemale miceProgenitor cellsEpithelial cellsFactor 1Male bone marrowStable hematopoietic engraftmentBone marrow originColocalization of GFPNuclear markersBone marrow cellsDuctal progenitorsHematopoietic engraftmentChromosomesBone marrowMarrow originPancytokeratin stainingCholangiocyte phenotypeMarrow cells