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
Calcium-Modulated Chloride Pathways Contribute to Chloride Flux in Murine Cystic Fibrosis-Affected Macrophages
Shenoy A, Kopic S, Murek M, Caputo C, Geibel JP, Egan ME. Calcium-Modulated Chloride Pathways Contribute to Chloride Flux in Murine Cystic Fibrosis-Affected Macrophages. Pediatric Research 2011, 70: 447-452. PMID: 21796019, PMCID: PMC3189336, DOI: 10.1203/pdr.0b013e31822f2448.Peer-Reviewed Original ResearchConceptsCystic fibrosisWT macrophagesCF macrophagesExtracellular Ca2CAMP-activated chloride channelCystic fibrosis transmembrane conductance regulator (CFTR) proteinContribution of CFTRIon transport abnormalitiesResult of mutationsContribution of calciumRegulator proteinRobust inflammationChronic infectionMacrophage dysfunctionMacrophage functionIntracellular Ca2Transport abnormalitiesMacrophagesChloride channelsMethoxy-quinolinium bromideCFTRinh-172Fluorescent indicator dyesFibrosisPathwayCFTR
1995
CFTR regulates outwardly rectifying chloride channels through an autocrine mechanism involving ATP
Schwiebert E, Egan M, Hwang T, Fulmer S, Allen S, Cutting G, Guggino W. CFTR regulates outwardly rectifying chloride channels through an autocrine mechanism involving ATP. Cell 1995, 81: 1063-1073. PMID: 7541313, DOI: 10.1016/s0092-8674(05)80011-x.Peer-Reviewed Original ResearchConceptsUnknown regulatory mechanismCystic fibrosis transmembrane conductance regulator (CFTR) functionRegulatory mechanismsConductance regulatorCl- secretory pathwaySignaling mechanismShort-circuit current recordingsRegulator functionCFTR functionChloride channelsCellular mechanismsSingle-channel patch-clamp recordingsCFTRCl- channelsEpithelial cellsATPAutocrine mechanismCurrent recordingsORCCPathwayCF airwaysPatch-clamp recordingsCellsMechanismRegulator
1992
Defective regulation of outwardly rectifying Cl− channels by protein kinase A corrected by insertion of CFTR
Egan M, Flotte T, Afione S, Solow R, Zeitlin P, Carter B, Guggino W. Defective regulation of outwardly rectifying Cl− channels by protein kinase A corrected by insertion of CFTR. Nature 1992, 358: 581-584. PMID: 1380129, DOI: 10.1038/358581a0.Peer-Reviewed Original ResearchConceptsCyclic AMP-dependent proteinCF geneCF bronchial epithelial cellsLethal genetic diseaseProtein kinaseDefective acidificationBronchial epithelial cellsGenetic diseasesProteinDefective regulationLarge conductanceEpithelial cellsGenesCFTRConductance pathwayCystic fibrosisLinear current-voltage relationshipVirus vectorsRegulationKinaseConductancePathwayExpressionAcidificationCells