2022
Recruited monocytes/macrophages drive pulmonary neutrophilic inflammation and irreversible lung tissue remodeling in cystic fibrosis
Öz H, Cheng E, Di Pietro C, Tebaldi T, Biancon G, Zeiss C, Zhang P, Huang P, Esquibies S, Britto C, Schupp J, Murray T, Halene S, Krause D, Egan M, Bruscia E. Recruited monocytes/macrophages drive pulmonary neutrophilic inflammation and irreversible lung tissue remodeling in cystic fibrosis. Cell Reports 2022, 41: 111797. PMID: 36516754, PMCID: PMC9833830, DOI: 10.1016/j.celrep.2022.111797.Peer-Reviewed Original ResearchConceptsC motif chemokine receptor 2Monocytes/macrophagesLung tissue damageCystic fibrosisTissue damageCF lungPulmonary neutrophilic inflammationPro-inflammatory environmentChemokine receptor 2CF lung diseaseNumber of monocytesSpecific therapeutic agentsGrowth factor βCF transmembrane conductance regulatorLung hyperinflammationLung neutrophiliaNeutrophilic inflammationNeutrophil inflammationInflammation contributesLung damageNeutrophil recruitmentLung diseaseLung tissueReceptor 2Therapeutic targetRecruitment of monocytes primed to express heme oxygenase-1 ameliorates pathological lung inflammation in cystic fibrosis
Di Pietro C, Öz HH, Zhang PX, Cheng EC, Martis V, Bonfield TL, Kelley TJ, Jubin R, Abuchowski A, Krause DS, Egan ME, Murray TS, Bruscia EM. Recruitment of monocytes primed to express heme oxygenase-1 ameliorates pathological lung inflammation in cystic fibrosis. Experimental & Molecular Medicine 2022, 54: 639-652. PMID: 35581352, PMCID: PMC9166813, DOI: 10.1038/s12276-022-00770-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCystic FibrosisHeme Oxygenase-1InflammationLipopolysaccharidesLungMiceMonocytesPhosphatidylinositol 3-KinasesPneumoniaConceptsHeme oxygenase-1Cystic fibrosisOxygenase-1Myeloid differentiation factor 88Neutrophilic pulmonary inflammationChronic airway infectionDifferentiation factor 88HO-1 levelsDisease mouse modelPseudomonas aeruginosaRecruitment of monocytesResolution of inflammationMonocytes/macrophagesTreatment of CFConditional knockout miceMechanism of actionLung neutrophiliaNeutrophilic inflammationLung inflammationAirway infectionPulmonary diseasePulmonary inflammationFactor 88Lung damageProinflammatory cytokinesBacterial Surface Detachment during Nebulization with Contaminated Reusable Home Nebulizers
Harris JC, Collins MS, Huang PH, Schramm CM, Nero T, Yan J, Murray TS. Bacterial Surface Detachment during Nebulization with Contaminated Reusable Home Nebulizers. Microbiology Spectrum 2022, 10: e02535-21. PMID: 35107362, PMCID: PMC8809330, DOI: 10.1128/spectrum.02535-21.Peer-Reviewed Original ResearchMeSH KeywordsAerosolsBacteriaBacterial AdhesionCystic FibrosisEquipment ContaminationHumansNebulizers and VaporizersConceptsAlbuterol nebulizationNebulized therapyHome nebulizersCystic fibrosisChronic respiratory diseasesAerosolized medicationsLung infectionCF patientsRespiratory diseasePathogenic bacteriaPatientsNext Generation ImpactorClinical isolatesMedicationsLungPari LCTherapyAnonymous patientsClinical bacteriaNebulizationNebulizerAerosolizationPathogenic microbesDetachmentSubset of bacteria
2019
Nebulizer cleaning and disinfection practices in families with cystic fibrosis: The relationship between attitudes, practice and microbe colonization
Murray TS, O'Rourke TK, Feinn R, Drapeau G, Collins MS. Nebulizer cleaning and disinfection practices in families with cystic fibrosis: The relationship between attitudes, practice and microbe colonization. Journal Of Cystic Fibrosis 2019, 18: 823-828. PMID: 31126899, DOI: 10.1016/j.jcf.2019.05.008.Peer-Reviewed Original ResearchConceptsInfection control practicesInfection preventionCystic fibrosisHome respiratory equipmentComplexity of careHome health careInfection control behaviorsControl practicesRespiratory equipmentHome nebulizersNew educational interventionDaily burdenHealth maintenanceLung pathogensEducation interventionRecovery of organismsEducational interventionHealth carePreventionMicrobe colonizationCareDisinfection practicesFibrosisFrequency of disinfectionSubset of familiesRepeated hot water and steam disinfection of pari LC Plus® nebulizers alters nebulizer output
Collins MS, Murray TS. Repeated hot water and steam disinfection of pari LC Plus® nebulizers alters nebulizer output. Journal Of Cystic Fibrosis 2019, 18: e17-e18. PMID: 30792172, DOI: 10.1016/j.jcf.2019.01.014.Peer-Reviewed Original Research
2018
Repeated hot water and steam disinfection of Pari LC Plus® nebulizers alter nebulizer output
Collins MS, O'Brien M, Schramm CM, Murray TS. Repeated hot water and steam disinfection of Pari LC Plus® nebulizers alter nebulizer output. Journal Of Cystic Fibrosis 2018, 18: 233-235. PMID: 30224332, DOI: 10.1016/j.jcf.2018.08.005.Peer-Reviewed Original ResearchOzone disinfection of home nebulizers effectively kills common cystic fibrosis bacterial pathogens
Towle D, Baker V, Schramm C, O'Brien M, Collins MS, Feinn R, Murray TS. Ozone disinfection of home nebulizers effectively kills common cystic fibrosis bacterial pathogens. Pediatric Pulmonology 2018, 53: 599-604. PMID: 29542874, DOI: 10.1002/ppul.23990.Peer-Reviewed Original ResearchConceptsHome respiratory equipmentCystic Fibrosis FoundationNebulizer outputRespiratory equipmentBacterial pathogensCommon bacterial pathogensOzone exposureHome nebulizersNebulizer functionInfusion timeNebulizer equipmentJet nebulizerMin infusion timeHome careStaphylococcus aureusBacterial recoveryPseudomonas aeruginosaExposureHeavy burdenGross changesNebulizerPathogensSeparate experiments
2017
Ezrin links CFTR to TLR4 signaling to orchestrate anti-bacterial immune response in macrophages
Di Pietro C, Zhang PX, O’Rourke T, Murray TS, Wang L, Britto CJ, Koff JL, Krause DS, Egan ME, Bruscia EM. Ezrin links CFTR to TLR4 signaling to orchestrate anti-bacterial immune response in macrophages. Scientific Reports 2017, 7: 10882. PMID: 28883468, PMCID: PMC5589856, DOI: 10.1038/s41598-017-11012-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorCytoskeletal ProteinsDisease Models, AnimalMacrophage ActivationMacrophagesMicePhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktPseudomonas aeruginosaPseudomonas InfectionsSignal TransductionToll-Like Receptor 4ConceptsCystic fibrosis transmembrane conductance regulatorPI3K/AktFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorPI3K/Akt signalingConductance regulatorAnti-bacterial immune responseAkt signalingAltered localizationEzrinCystic fibrosis diseaseMφ activationAktProtein levelsFibrosis diseaseActivationImmune regulationPhagocytosisInductionDirect linkSignalingRegulatorImmune responseMΦMacrophages
2016
The Approach to Pseudomonas aeruginosa in Cystic Fibrosis
Talwalkar JS, Murray TS. The Approach to Pseudomonas aeruginosa in Cystic Fibrosis. Clinics In Chest Medicine 2016, 37: 69-81. PMID: 26857769, DOI: 10.1016/j.ccm.2015.10.004.BooksMeSH KeywordsAnti-Bacterial AgentsChronic DiseaseCystic FibrosisGlobal HealthHumansMorbidityPseudomonas aeruginosaPseudomonas InfectionsConceptsCystic fibrosisAcute pulmonary exacerbationsDuration of administrationSpecific patient characteristicsStandard of careSite of carePseudomonas aeruginosaPulmonary exacerbationsAntipseudomonal antibioticsPatient characteristicsTreatment optionsEpidemiologic linkChronic infectionHigh prevalenceTreatment decisionsNew vaccinesEarly identificationAggressive useFibrosisAntibiotic selectionInfectionCareLaboratory methodsAeruginosaExacerbation
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
2012
Baby bottle steam sterilizers disinfect home nebulizers inoculated with bacterial respiratory pathogens
Towle D, Callan DA, Farrel PA, Egan ME, Murray TS. Baby bottle steam sterilizers disinfect home nebulizers inoculated with bacterial respiratory pathogens. Journal Of Cystic Fibrosis 2012, 12: 512-516. PMID: 23267773, DOI: 10.1016/j.jcf.2012.11.013.Peer-Reviewed Original ResearchConceptsHome nebulizersMethicillin-resistant Staphylococcus aureusBacterial respiratory pathogensResistant Staphylococcus aureusNon-mucoid Pseudomonas aeruginosaMucoid Pseudomonas aeruginosaRespiratory pathogensHaemophilus influenzaeBacterial infectionsClinical settingAdditional studiesBacterial growthStaphylococcus aureusStenotrophomonas maltophiliaPseudomonas aeruginosaViable bacteriaTreatmentNebulizerBurkholderia cepaciaInfectionInfluenzae
2007
Pseudomonas aeruginosa chronic colonization in cystic fibrosis patients
Murray TS, Egan M, Kazmierczak BI. Pseudomonas aeruginosa chronic colonization in cystic fibrosis patients. Current Opinion In Pediatrics 2007, 19: 83-88. PMID: 17224667, DOI: 10.1097/mop.0b013e3280123a5d.Peer-Reviewed Original ResearchConceptsCystic fibrosis patientsChronic colonizationAcute infectionFibrosis patientsCystic fibrosisP. aeruginosaChronic pulmonary colonizationChronic pulmonary diseaseCystic fibrosis airwayHost immune systemMucoid P. aeruginosaP. aeruginosa behaviorCystic fibrosis lungPulmonary diseaseClinical benefitChronic infectionP. aeruginosa pathogenesisLeading causePulmonary colonizationNew therapiesImmune systemAggressive usePotential therapeuticsInfectionPatients