1999
Continuous detection of extracellular ATP on living cells by using atomic force microscopy
Schneider S, Egan M, Jena B, Guggino W, Oberleithner H, Geibel J. Continuous detection of extracellular ATP on living cells by using atomic force microscopy. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 12180-12185. PMID: 10518596, PMCID: PMC18432, DOI: 10.1073/pnas.96.21.12180.Peer-Reviewed Original ResearchConceptsAtomic force microscopyForce microscopyLiving cellsImportant compoundsSurface of cellsATP concentrationSurface microenvironmentScanning tipExtracellular ATPCell linesMicroscopyPhysiological conditionsPowerful techniqueCellsContinuous detectionBiosensorSurfaceCompoundsActive tipATPConcentrationFuture developmentSoftnessDetectionMicroenvironment
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 recordingsCellsMechanismRegulatorDifferential expression of ORCC and CFTR induced by low temperature in CF airway epithelial cells
Egan M, Schwiebert E, Guggino W. Differential expression of ORCC and CFTR induced by low temperature in CF airway epithelial cells. American Journal Of Physiology 1995, 268: c243-c251. PMID: 7530908, DOI: 10.1152/ajpcell.1995.268.1.c243.Peer-Reviewed Original ResearchConceptsCl- channel activityAirway epithelial cellsEpithelial cellsCFTR Cl- channel activityProtein kinase ANonepithelial cell typesMutant proteinsKinase ACF airway epithelial cellsIon channel expressionDifferential expressionIncubation temperatureCell typesCF airway epitheliaChannel expressionRegulator mutationsCFTRMultiple alterationsMutationsCells
1992
Modulation of Ion Transport in Cultured Rabbit Tracheal Epithelium by Lipoxygenase Metabolites
Egan M, Wagner M, Zeitlin P, Guggino W. Modulation of Ion Transport in Cultured Rabbit Tracheal Epithelium by Lipoxygenase Metabolites. American Journal Of Respiratory Cell And Molecular Biology 1992, 7: 500-506. PMID: 1419026, DOI: 10.1165/ajrcmb/7.5.500.Peer-Reviewed Original ResearchConceptsNordihydroguaiaretic acidPresence of NDGALipoxygenase pathwayTracheal epithelial cellsLeukotriene releaseUnstimulated culturesEpithelial cellsCultured rabbit tracheal epitheliumMicroM nordihydroguaiaretic acidCultured tracheal epithelial cellsRabbit tracheal epitheliumExogenous LTD4NDGA inhibitionRabbit tracheal epithelial cellsFluid balanceCl(-) secretionLipoxygenase metabolitesAdult rabbitsTracheal epitheliumPrior inhibitionLTD4InhibitionLTC4Tracer flux experimentsCellsDefective 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