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
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
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 products
2014
SRF is required for neutrophil migration in response to inflammation
Taylor A, Tang W, Bruscia EM, Zhang PX, Lin A, Gaines P, Wu D, Halene S. SRF is required for neutrophil migration in response to inflammation. Blood 2014, 123: 3027-3036. PMID: 24574460, PMCID: PMC4014845, DOI: 10.1182/blood-2013-06-507582.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActinsAnimalsBlotting, WesternCell AdhesionCell MovementChemokinesGene ExpressionInflammationIntegrinsMiceMice, KnockoutMice, TransgenicMicroscopy, ConfocalNeutrophilsN-Formylmethionine Leucyl-PhenylalaninePolymerizationReverse Transcriptase Polymerase Chain ReactionSerum Response FactorSignal TransductionConceptsKO neutrophilsNeutrophil functionNormal neutrophil numbersSerum response factorSites of inflammationRole of SRFLoss of SRFNeutrophil numbersNeutrophil migrationMalignant processNeutrophilsCytokine stimuliChemokine gradientsCell functionExpression levelsIntegrin expression levelsInflammationMicePrimary defenseMegakaryocyte maturationNormal cell functionVivoCellular adhesionMaster regulatorIntegrin activation
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
Nonhematopoietic 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
2009
Role 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