2005
Aminoglycosides block the Kv3.1 potassium channel and reduce the ability of inferior colliculus neurons to fire at high frequencies
Liu S, Kaczmarek LK. Aminoglycosides block the Kv3.1 potassium channel and reduce the ability of inferior colliculus neurons to fire at high frequencies. Developmental Neurobiology 2005, 62: 439-452. PMID: 15547932, DOI: 10.1002/neu.20112.Peer-Reviewed Original ResearchConceptsInferior colliculus neuronsKv3.1 potassium channelColliculus neuronsKv3.1 currentsHearing lossAuditory neuronsPotassium channelsInhibition of Kv3.1Progressive hearing lossRate of repolarizationAuditory nucleiPotassium currentFiring propertiesPipette solutionAction potentialsNeuronsHigh frequencyEffect of streptomycinExtracellular TEAKv3.1 geneKv3.1 channelsAminoglycoside antibioticsStreptomycinKv3.1Presence of streptomycin
2002
Prolonged Activation of Ca2+-Activated K+Current Contributes to the Long-Lasting Refractory Period ofAplysia Bag Cell Neurons
Zhang Y, Magoski NS, Kaczmarek LK. Prolonged Activation of Ca2+-Activated K+Current Contributes to the Long-Lasting Refractory Period ofAplysia Bag Cell Neurons. Journal Of Neuroscience 2002, 22: 10134-10141. PMID: 12451114, PMCID: PMC6758731, DOI: 10.1523/jneurosci.22-23-10134.2002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAplysiaCalciumCells, CulturedElectric StimulationEnzyme ActivatorsEnzyme InhibitorsLarge-Conductance Calcium-Activated Potassium ChannelsNeural InhibitionNeuronsPatch-Clamp TechniquesPhloretinPotassiumPotassium Channel BlockersPotassium Channels, Calcium-ActivatedProtein Kinase CRefractory Period, ElectrophysiologicalSphingosineTetradecanoylphorbol AcetateConceptsBag cell neuronsCell neuronsRefractory periodBK currentsProtein kinase COnset of afterdischargeBK channel activityApplication of phloretinBK channel activatorsProlonged refractory periodAbility of stimulationRole of Ca2Blocker paxillinePharmacological characteristicsChannel activatorIntracellular Ca2Prolonged increaseOutward currentsInhibitor of PKCAfterdischargesNeuronsAdditional stimulationProlonged activationActivator of PKCChannel activity
1998
High-frequency firing helps replenish the readily releasable pool of synaptic vesicles
Wang L, Kaczmarek L. High-frequency firing helps replenish the readily releasable pool of synaptic vesicles. Nature 1998, 394: 384-388. PMID: 9690475, DOI: 10.1038/28645.Peer-Reviewed Original ResearchConceptsReleasable poolPotassium channel blocker tetraethylammoniumChannel blocker Cd2Synaptic vesiclesPresynaptic action potentialHigh-frequency stimulationVoltage-gated Ca2Short-term synaptic depressionCentral nervous systemPatch-clamp recordingsHigh-frequency firingGiant synapsesPostsynaptic mechanismsBuffer EGTAMouse auditoryBlocker tetraethylammoniumSynaptic activitySynaptic depressionPresynaptic terminalsNervous systemAction potentialsRate of replenishmentSynapsesCa2Key signal
1996
Inhibition by Nystatin of Kv1.3 Channels Expressed in Chinese Hamster Ovary Cells
HAHN S, WANG L, KACZMAREK L. Inhibition by Nystatin of Kv1.3 Channels Expressed in Chinese Hamster Ovary Cells. Neuropharmacology 1996, 35: 895-901. PMID: 8938720, DOI: 10.1016/0028-3908(96)00094-9.Peer-Reviewed Original ResearchConceptsKv1.3 currentsEffect of nystatinPerforated patch recordingsChinese hamster ovary cellsPatch-clamp techniqueWhole-cell configurationConcentration-dependent reductionHamster ovary cellsRectifier potassium channelHalf-maximal inhibitionPotassium channel Kv1.3Patch recordingsMaximal inhibitionAmphotericin BOvary cellsKv1.3 channelsPotassium channelsTetraethylammoniumChannel Kv1.3Intracellular solutionInhibitionRapid blockNystatinDrugsApparent inactivation
1995
Elimination of potassium channel expression by antisense oligonucleotides in a pituitary cell line.
Chung S, Saal D, Kaczmarek L. Elimination of potassium channel expression by antisense oligonucleotides in a pituitary cell line. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 5955-5959. PMID: 7597060, PMCID: PMC41620, DOI: 10.1073/pnas.92.13.5955.Peer-Reviewed Original ResearchAnimalsBase SequenceCell MembraneClone CellsDexamethasoneEgtazic AcidGene ExpressionKv1.4 Potassium ChannelKv1.5 Potassium ChannelMembrane PotentialsMolecular Sequence DataOligonucleotides, AntisensePatch-Clamp TechniquesPituitary GlandPotassium Channel BlockersPotassium ChannelsPotassium Channels, Voltage-GatedRatsRNA, MessengerTetraethylammoniumTetraethylammonium CompoundsThionucleotidesModulation of the inactivation of voltage-dependent potassium channels by cAMP
Chung S, Kaczmarek L. Modulation of the inactivation of voltage-dependent potassium channels by cAMP. Journal Of Neuroscience 1995, 15: 3927-3935. PMID: 7751955, PMCID: PMC6578223, DOI: 10.1523/jneurosci.15-05-03927.1995.Peer-Reviewed Original Research