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
2015
Pharmacological modulation of the AKT/microRNA-199a-5p/CAV1 pathway ameliorates cystic fibrosis lung hyper-inflammation
Zhang PX, Cheng J, Zou S, D'Souza AD, Koff JL, Lu J, Lee PJ, Krause DS, Egan ME, Bruscia EM. Pharmacological modulation of the AKT/microRNA-199a-5p/CAV1 pathway ameliorates cystic fibrosis lung hyper-inflammation. Nature Communications 2015, 6: 6221. PMID: 25665524, PMCID: PMC4324503, DOI: 10.1038/ncomms7221.Peer-Reviewed Original ResearchConceptsCF macrophagesMiR-199aMicroRNA-199aHyper-inflammatory responseCFTR-deficient miceCystic fibrosis patientsCystic fibrosis lungLung destructionDisease morbidityPharmacological modulationCF miceCF lungFibrosis patientsInnate immunityLungMacrophagesCAV1 expressionDrug celecoxibReduced levelsTLR4CelecoxibMiceCav1PathwayMorbidity
2013
Reduced 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
2011
Abnormal Trafficking and Degradation of TLR4 Underlie the Elevated Inflammatory Response in Cystic Fibrosis
Bruscia EM, Zhang PX, Satoh A, Caputo C, Medzhitov R, Shenoy A, Egan ME, Krause DS. Abnormal Trafficking and Degradation of TLR4 Underlie the Elevated Inflammatory Response in Cystic Fibrosis. The Journal Of Immunology 2011, 186: 6990-6998. PMID: 21593379, PMCID: PMC3111054, DOI: 10.4049/jimmunol.1100396.Peer-Reviewed Original Research
2008
Macrophages Directly Contribute to the Exaggerated Inflammatory Response in Cystic Fibrosis Transmembrane Conductance Regulator−/− Mice
Bruscia EM, Zhang PX, Ferreira E, Caputo C, Emerson JW, Tuck D, Krause DS, Egan ME. Macrophages Directly Contribute to the Exaggerated Inflammatory Response in Cystic Fibrosis Transmembrane Conductance Regulator−/− Mice. American Journal Of Respiratory Cell And Molecular Biology 2008, 40: 295-304. PMID: 18776130, PMCID: PMC2645527, DOI: 10.1165/rcmb.2008-0170oc.Peer-Reviewed Original ResearchConceptsExaggerated inflammatory responseExaggerated immune responseBone marrow-derived macrophagesIL-6Marrow-derived macrophagesCystic fibrosisCF miceKeratinocyte chemoattractantCytokine responsesInflammatory responseIL-1alphaImmune responseAlveolar macrophagesBronchoalveolar lavage fluidGranulocyte colony-stimulating factorNumber of neutrophilsChemoattractant protein-1CF lung diseaseElevated cytokine responseInnate immune systemImportant therapeutic targetCF mouse modelsPopulation of macrophagesColony-stimulating factorPseudomonas aeruginosa LPS