2019
Altered allostery of the left flipper domain underlies the weak ATP response of rat P2X5 receptors
Sun L, Liu Y, Wang J, Huang L, Yang Y, Cheng X, Fan Y, Zhu M, Liang H, Tian Y, Wang H, Guo C, Yu Y. Altered allostery of the left flipper domain underlies the weak ATP response of rat P2X5 receptors. Journal Of Biological Chemistry 2019, 294: 19589-19603. PMID: 31727741, PMCID: PMC6926468, DOI: 10.1074/jbc.ra119.009959.Peer-Reviewed Original ResearchConceptsFuture transgenic studiesFull-length variantATP responseTransmembrane domainTransgenic studiesMammalian speciesP2X5 receptorsAllosteryPathological functionsSingle replacementSingle-channel recordingsSkeletal muscleExon 10Molecular modelingFunctional subtypesATPResiduesNervous systemP2X5ReceptorsDomainMammalsSpeciesTM2Lack of knowledge
2016
Physiological modulators of Kv3.1 channels adjust firing patterns of auditory brain stem neurons
Brown MR, El-Hassar L, Zhang Y, Alvaro G, Large CH, Kaczmarek LK. Physiological modulators of Kv3.1 channels adjust firing patterns of auditory brain stem neurons. Journal Of Neurophysiology 2016, 116: 106-121. PMID: 27052580, PMCID: PMC4961756, DOI: 10.1152/jn.00174.2016.Peer-Reviewed Original ResearchConceptsKv3.1 channelsAuditory brain stem neuronsAuditory brain stemBrain stem neuronsBrain slice recordingsKv3.1 potassium channelVoltage of activationMNTB neuronsStem neuronsTrapezoid bodyBrain stemMedial nucleusKv3.1 currentsNeuronal excitabilitySlice recordingsTherapeutic benefitImidazolidinedione derivativesAction potentialsPhysiological modulatorPotassium channelsResting potentialsNeuronsSingle-channel recordingsChinese hamster ovary cellsPharmaceutical modulation
2009
CLIC2-RyR1 Interaction and Structural Characterization by Cryo-electron Microscopy
Meng X, Wang G, Viero C, Wang Q, Mi W, Su XD, Wagenknecht T, Williams AJ, Liu Z, Yin CC. CLIC2-RyR1 Interaction and Structural Characterization by Cryo-electron Microscopy. Journal Of Molecular Biology 2009, 387: 320-334. PMID: 19356589, PMCID: PMC2667806, DOI: 10.1016/j.jmb.2009.01.059.Peer-Reviewed Original ResearchConceptsCryo-electron microscopyChannel activitySkeletal ryanodine receptorsAffinity of ryanodineSkeletal sarcoplasmic reticulum vesiclesSmall proteinsClamp regionConformational changesPhysiological functionsDomain 5Closed stateSingle-channel recordingsStructural familyRyR1 channelsRyanodine receptorSkeletal muscleRyR1VesiclesOpen probabilityRyR channelsChannel 2Channel recordingsEfflux rateSarcoplasmic reticulum vesiclesReticulum vesicles
2005
Control of the CFTR channel's gates
Vergani P, Basso C, Mense M, Nairn A, Gadsby D. Control of the CFTR channel's gates. Biochemical Society Transactions 2005, 33: 1003-1007. DOI: 10.1042/bst0331003.Peer-Reviewed Original ResearchChannel gateIon channelsProtein family membersNBD dimer interfaceAnion-selective poreEvolutionary conservationABC proteinsCFTR moleculesForm homodimersTransmembrane domainATP bindingHeterodimer interfaceDimer interfaceMolecular mechanismsTight dimerizationNBDATPSingle-channel recordingsResiduesFamily membersNBD1NBD2Cystic fibrosis patientsMutagenesisHomodimerControl of the CFTR channel's gates.
Vergani P, Basso C, Mense M, Nairn A, Gadsby D. Control of the CFTR channel's gates. Biochemical Society Transactions 2005, 33: 1003-7. PMID: 16246032, PMCID: PMC2728124, DOI: 10.1042/bst20051003.Peer-Reviewed Original ResearchConceptsChannel gateIon channelsProtein family membersNBD dimer interfaceAnion-selective poreEvolutionary conservationABC proteinsCFTR moleculesForm homodimersTransmembrane domainATP bindingHeterodimer interfaceDimer interfaceMolecular mechanismsTight dimerizationNBDATPSingle-channel recordingsResiduesFamily membersNBD1NBD2Cystic fibrosis patientsMutagenesisHomodimer
2001
Ion Channels, Membrane Ion Currents, and the Action Potential
B.Levitan I, Kaczmarek L. Ion Channels, Membrane Ion Currents, and the Action Potential. 2001, 113-138. DOI: 10.1093/oso/9780195145236.003.0006.Peer-Reviewed Original ResearchIon channelsPotassium channel proteinIon currentDetailed mechanistic understandingMembrane proteinsMolecular detailsActive ion channelsChannel proteinsBiological membranesMechanistic understandingSingle-channel recordingsProteinMembrane ion currentsVoltage-clamp measurementsMembraneChannel recordingsCellsMacroscopic currentsClamp measurementsCurrentElectrical phenomenaVoltage clampCurrent chapterMacroscopic membranesPotassium current
1998
Increased NMDA current and spine density in mice lacking the NMDA receptor subunit NR3A
Das S, Sasaki Y, Rothe T, Premkumar L, Takasu M, Crandall J, Dikkes P, Conner D, Rayudu P, Cheung W, Chen H, Lipton S, Nakanishi N. Increased NMDA current and spine density in mice lacking the NMDA receptor subunit NR3A. Nature 1998, 393: 377-381. PMID: 9620802, DOI: 10.1038/30748.Peer-Reviewed Original ResearchConceptsNMDA receptorsReceptor subunit NR1Synaptic refinementSpine densityNMDA receptor subunit NR3ANMDA responsesNMDA subclassSmall unitary conductanceNMDAR activitySubunit NR1NMDAR subunitsCerebrocortical neuronsDendritic spinesSynaptic plasticityNR1 subunitMice resultsSingle-channel recordingsGenetic knockoutSynaptic elementsHeteromultimeric channelsNR1NR3AXenopus oocytesUnitary conductanceNMDA
1992
cGMP-dependent protein kinase regulation of a chloride channel in T84 cells
Lin M, Nairn A, Guggino S. cGMP-dependent protein kinase regulation of a chloride channel in T84 cells. American Journal Of Physiology 1992, 262: c1304-c1312. PMID: 1317106, DOI: 10.1152/ajpcell.1992.262.5.c1304.Peer-Reviewed Original ResearchConceptsProtein kinaseChloride channelsIntestinal epithelial cellsCGMP-dependent protein kinaseProtein kinase regulationApical membraneDependent protein kinaseT84 cellsEpithelial cellsInhibitor of PKGKinase regulationCatalytic subunitCombination of ATPNonhydrolyzable formExcessive fluid secretionIntracellular faceEscherichia coliElevated guanosineSingle-channel recordingsATPKinasePKGLinear current-voltage relationshipCellsChloride secretion
1989
GABA-activated single channel currents in outside-out membrane patches from rat retinal ganglion cells
Lipton S. GABA-activated single channel currents in outside-out membrane patches from rat retinal ganglion cells. Visual Neuroscience 1989, 3: 275-279. PMID: 2487107, DOI: 10.1017/s0952523800010026.Peer-Reviewed Original ResearchConceptsRetinal ganglion cellsGamma-aminobutyric acidGanglion cellsWhole-cell currentsMammalian retinal ganglion cellsRat retinal ganglion cellsLarge whole-cell currentsMammalian central nervous systemWhole-cell recordingsCentral nervous systemPatch-clamp methodInhibitory transmitterWhole-cell responsesNervous systemCell-free patchesNervous tissueGABAA channelsRapid rundownDesensitization kineticsSingle-channel recordingsChannel currentsSingle-channel currentsExcised patch configurationsSingle-channel eventsUnitary conductanceInward-rectifying potassium channels in rat hepatocytes
Henderson R, Graf J, Boyer J. Inward-rectifying potassium channels in rat hepatocytes. American Journal Of Physiology 1989, 256: g1028-g1035. PMID: 2735409, DOI: 10.1152/ajpgi.1989.256.6.g1028.Peer-Reviewed Original ResearchConceptsRenal epithelial cellsRat hepatocytesWhole-cell conductanceWhole-cell experimentsSingle-channel recordingsEpithelial cellsPotassium channelsHigh intracellularFunctional heterogeneityOpen probabilityIsolated rat hepatocytesCellsWhole-cell modeInward rectificationMarked similarityStrong inward rectificationCell conductanceHepatocytesConductanceCalcium dependencePatch-clamp techniqueCurrent-voltage relationshipInward conductanceSpeciesCell experiments
1988
Open channel noise. IV. Estimation of rapid kinetics of formamide block in gramicidin A channels
Heinemann S, Sigworth F. Open channel noise. IV. Estimation of rapid kinetics of formamide block in gramicidin A channels. Biophysical Journal 1988, 54: 757-764. PMID: 2465033, PMCID: PMC1330382, DOI: 10.1016/s0006-3495(88)83013-3.Peer-Reviewed Original ResearchConceptsBiological ion channelsGramicidin A channelsTime resolutionCurrent histogramFast time scaleOpen channel noiseCharacteristic timeNoise measurementsSingle-channel experimentsNoise experimentsDirect measurementTime scalesA channelsSpectral densityBandwidth limitationsCurrentTheoretical approachMeasurementsIon channelsBlocking processChannelsSingle-channel recordingsSingle-channel currentsNoiseDependence
1987
Voltage‐dependent conductances of solitary ganglion cells dissociated from the rat retina.
Lipton S, Tauck D. Voltage‐dependent conductances of solitary ganglion cells dissociated from the rat retina. The Journal Of Physiology 1987, 385: 361-391. PMID: 2443669, PMCID: PMC1192350, DOI: 10.1113/jphysiol.1987.sp016497.Peer-Reviewed Original ResearchConceptsWhole-cell recordingsRetinal ganglion cellsGanglion cellsPatch pipetteMicroM TTXRat retinaAction potentialsMM TEASlow action potentialsPatch-clamp recordingsSingle-channel recordingsCentral mammalian neuronesConventional intracellular electrodesCurrent-clamp conditionsWhole-cell currentsVoltage-clamp experimentsIntracellular recordingsVoltage-clamp analysisPharmacological agentsExtracellular Ca2Inactivation time constantsMicroM Cd2Conventional intracellularElectrophysiological propertiesFast spikes
1984
Single channel recordings of calcium-activated potassium channels in the apical membrane of rabbit cortical collecting tubules.
Hunter M, Lopes A, Boulpaep E, Giebisch G. Single channel recordings of calcium-activated potassium channels in the apical membrane of rabbit cortical collecting tubules. Proceedings Of The National Academy Of Sciences Of The United States Of America 1984, 81: 4237-4239. PMID: 6330754, PMCID: PMC345404, DOI: 10.1073/pnas.81.13.4237.Peer-Reviewed Original ResearchConceptsPotassium channelsRabbit cortical collecting tubuleCalcium concentrationCalcium-activated potassium channelsDose-dependent fashionCortical collecting tubulePatch-clamp techniqueCollecting tubuleSingle potassium channelsApical membraneOpen channel probabilitySingle-channel recordingsSlope conductanceChannel activityTubulesChannel recordingsRecordings
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply