1998
ATP hydrolysis cycles and the gating of CFTR Cl- channels.
Gadsby D, Dousmanis A, Nairn A. ATP hydrolysis cycles and the gating of CFTR Cl- channels. Acta Physiologica Scandinavica. Supplementum 1998, 643: 247-56. PMID: 9789567.Peer-Reviewed Original ResearchConceptsC-terminal nucleotideCFTR channelsAMP-PNPG proteinsN-terminal nucleotideCentral regulatory domainMore serine residuesProtein kinase ACFTR Cl- channelHydrolysis of ATPATP hydrolysis cycleCl- channelsGating cycleRegulatory domainCytoplasmic domainTight bindingSerine residuesHydrolyse ATPSecond ATPSequence homologyTransport proteinsKinase AOpen conformationAnalogues of ATPFunctional similarity
1994
Regulation of the gating of cystic fibrosis transmembrane conductance regulator C1 channels by phosphorylation and ATP hydrolysis.
Hwang T, Nagel G, Nairn A, Gadsby D. Regulation of the gating of cystic fibrosis transmembrane conductance regulator C1 channels by phosphorylation and ATP hydrolysis. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 4698-4702. PMID: 7515176, PMCID: PMC43855, DOI: 10.1073/pnas.91.11.4698.Peer-Reviewed Original ResearchConceptsCFTR channelsATP hydrolysisPresence of ATPDomains of CFTRCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelProtein kinase AATP analogue 5'Kinase AOpen probabilityAMP-PNPPhosphorylationLow open probabilityCl- channelsATPATP actionIntact cardiac myocytesNucleotidesCFTRSecond siteExcised patchesHigh open probabilityCardiac myocytesChannel closingC1 channelsAnalogue 5Coupling of CFTR Cl− channel gating to an ATP hydrolysis cycle
Baukrowitz T, Hwang T, Nairn A, Gadsby D. Coupling of CFTR Cl− channel gating to an ATP hydrolysis cycle. Neuron 1994, 12: 473-482. PMID: 7512348, DOI: 10.1016/0896-6273(94)90206-2.Peer-Reviewed Original ResearchConceptsCystic fibrosis transmembrane conductance regulatorATP hydrolysis cycleHydrolysis cycleCFTR channelsFibrosis transmembrane conductance regulatorProtein kinase ATransmembrane conductance regulatorATP hydrolysisKinase AConductance regulatorNucleoside triphosphatesChannel openingInorganic phosphate analogueATPPhosphate analogueCardiac myocytesInorganic phosphateMean open timeRegulatorHydrolysis productsBeF3Open timeCycleTriphosphateRegulation of CFTR channel gating.
Gadsby D, Hwang T, Baukrowitz T, Nagel G, Horie M, Nairn A. Regulation of CFTR channel gating. The Journal Of Physiological Sciences 1994, 44 Suppl 2: s183-92. PMID: 7752525.Peer-Reviewed Original ResearchConceptsNon-hydrolyzable ATP analog AMP-PNPCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelAMP-PNPCFTR channel gatingProtein kinase A (PKA) phosphorylationATP analogue AMP-PNPAnalogue AMP-PNPCFTR's twoA PhosphorylationATP hydrolysisChannel gatingCl- channelsChannel openingNBDRegulationMultiple sitesPhosphorylationCFTROrthovanadateATPGatingDomain
1993
Cardiac Chloride Channels: Incremental Regulation by Phosphorylation/Dephosphorylationa
GADSBY D, HWANG T, HORIE M, NAGEL G, NAIRN A. Cardiac Chloride Channels: Incremental Regulation by Phosphorylation/Dephosphorylationa. Annals Of The New York Academy Of Sciences 1993, 707: 259-274. PMID: 9137557, DOI: 10.1111/j.1749-6632.1993.tb38057.x.Peer-Reviewed Original Research
1992
The protein kinase A-regulated cardiac CI− channel resembles the cystic fibrosis transmembrane conductance regulator
Nagel G, Hwang T, Nastiuk K, Nairn A, Gadsbyt D. The protein kinase A-regulated cardiac CI− channel resembles the cystic fibrosis transmembrane conductance regulator. Nature 1992, 360: 81-84. PMID: 1279437, DOI: 10.1038/360081a0.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBiological Transport, ActiveBlotting, NorthernChloride ChannelsChlorineCystic Fibrosis Transmembrane Conductance RegulatorGuanosine TriphosphateGuinea PigsIn Vitro TechniquesIon Channel GatingMembrane PotentialsMembrane ProteinsMyocardiumPhosphorylationProtein KinasesReceptors, Adrenergic, betaRNAConceptsCystic fibrosis transmembrane conductance regulatorFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorConductance regulatorCyclic AMP-dependent protein kinaseAMP-dependent protein kinasePKA catalytic subunitResult of phosphorylationPhosphorylated channelsCatalytic subunitProtein kinaseSingle-channel conductanceNucleoside triphosphatesPhosphorylationMembrane potentialEpithelial cellsChannel activationRegulatorChannel conductanceCystic fibrosisKinaseCardiac ventricular myocytesSubunitsProteinUnitary current amplitudeRole of GTP-binding proteins in the regulation of mammalian cardiac chloride conductance.
Hwang T, Horie M, Nairn A, Gadsby D. Role of GTP-binding proteins in the regulation of mammalian cardiac chloride conductance. The Journal Of General Physiology 1992, 99: 465-489. PMID: 1375958, PMCID: PMC2219206, DOI: 10.1085/jgp.99.4.465.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAdenylate Cyclase ToxinAdrenergic beta-AgonistsAnimalsCarbacholCells, CulturedChloride ChannelsChloridesColforsinCyclic AMPGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)Guinea PigsHeartHistamineIon ChannelsIsoproterenolMembrane ProteinsMyocardiumPertussis ToxinPhosphorylationPropranololReceptors, Adrenergic, betaReceptors, MuscarinicTime FactorsVirulence Factors, BordetellaConceptsProtein kinaseNonhydrolyzable GTP analogG proteinsCAMP-dependent protein kinaseG protein turnoverGTP-binding proteinsCl- conductanceAdenylyl cyclase activityCl- current activationGTP analogueMammalian cardiac myocytesGDP beta SSynthetic peptide inhibitorProtein turnoverStimulatory G proteinMammalian modelsPertussis toxinBeta SInhibitory G proteinBasal activationGTPPeptide inhibitorAdenylyl cyclaseCyclase activityProtein
1991
Evidence for isoproterenol-induced phosphorylation of phosphatase inhibitor-1 in the intact heart.
Neumann J, Gupta R, Schmitz W, Scholz H, Nairn A, Watanabe A. Evidence for isoproterenol-induced phosphorylation of phosphatase inhibitor-1 in the intact heart. Circulation Research 1991, 69: 1450-1457. PMID: 1659500, DOI: 10.1161/01.res.69.6.1450.Peer-Reviewed Original ResearchConceptsPhosphatase inhibitor-1Protein phosphatase inhibitor-1Type 1 phosphatase activityPhosphatase activityInhibitor-1Sodium dodecyl sulfate gelsDodecyl sulfate gelsIsoproterenol-induced phosphorylationSulfate gelsProteinRadioactive proteinsPhosphorylationPmol 32P/KdPhysiological bufferAntiserumActivityIndirect assayConcentrations of isoproterenolAgonist isoproterenolActivationAssaysVivoIntact heartCAMP
1989
Chloride conductance regulated by cyclic AMP-dependent protein kinase in cardiac myocytes
Bahinski A, Nairn A, Greengard P, Gadsby D. Chloride conductance regulated by cyclic AMP-dependent protein kinase in cardiac myocytes. Nature 1989, 340: 718-721. PMID: 2475783, DOI: 10.1038/340718a0.Peer-Reviewed Original ResearchConceptsCyclic AMP-dependent protein kinaseAMP-dependent protein kinaseProtein kinaseChloride ion currentCatalytic subunitRegulatory proteinsKinase activationIon channelsKinaseChloride conductanceCalcium entrySingle-channel currentsCardiac myocytesCellsHeart cellsPhosphorylationAction potential repolarizationConductanceSubunitsProteinIntracellular dialysisMyocytesRegulationChannel currentsAdrenergic stimulation