2010
Fragile X Mental Retardation Protein Is Required for Rapid Experience-Dependent Regulation of the Potassium Channel Kv3.1b
Strumbos JG, Brown MR, Kronengold J, Polley DB, Kaczmarek LK. Fragile X Mental Retardation Protein Is Required for Rapid Experience-Dependent Regulation of the Potassium Channel Kv3.1b. Journal Of Neuroscience 2010, 30: 10263-10271. PMID: 20685971, PMCID: PMC3485078, DOI: 10.1523/jneurosci.1125-10.2010.Peer-Reviewed Original ResearchConceptsMental retardation proteinAnterior ventral cochlear nucleusFragile X Mental Retardation ProteinRNA-binding proteinProtein translationFMRPWild-type animalsSpecific mRNAsSound localization circuitVentral cochlear nucleusBrainstem synaptosomesExperience-dependent regulationProtein levelsAmplitude-modulated stimuliProteinTrapezoid bodyCochlear nucleusMale miceMedial nucleusNeuronal activityPotassium currentWT controlsSynaptic plasticityTonotopic axisAcoustic stimulation
2008
Amino‐termini isoforms of the Slack K+ channel, regulated by alternative promoters, differentially modulate rhythmic firing and adaptation
Brown MR, Kronengold J, Gazula V, Spilianakis CG, Flavell RA, Von Hehn CA, Bhattacharjee A, Kaczmarek LK. Amino‐termini isoforms of the Slack K+ channel, regulated by alternative promoters, differentially modulate rhythmic firing and adaptation. The Journal Of Physiology 2008, 586: 5161-5179. PMID: 18787033, PMCID: PMC2652154, DOI: 10.1113/jphysiol.2008.160861.Peer-Reviewed Original ResearchAction PotentialsAdaptation, PhysiologicalAmino Acid SequenceAnimalsBrainCloning, MolecularGene Expression RegulationMiceMice, Inbred C57BLMolecular Sequence DataNerve Tissue ProteinsNeuronsPotassium ChannelsPotassium Channels, Sodium-ActivatedPromoter Regions, GeneticProtein IsoformsRatsRNA, Messenger
2005
Regulation of the timing of MNTB neurons by short-term and long-term modulation of potassium channels
Kaczmarek LK, Bhattacharjee A, Desai R, Gan L, Song P, von Hehn CA, Whim MD, Yang B. Regulation of the timing of MNTB neurons by short-term and long-term modulation of potassium channels. Hearing Research 2005, 206: 133-145. PMID: 16081004, DOI: 10.1016/j.heares.2004.11.023.Peer-Reviewed Original ResearchConceptsAnteroventral cochlear nucleusPotassium channelsAuditory pathwayAction potentialsCentral auditory pathwayVoltage-dependent potassium channelsMammalian auditory pathwayAmount of neurotransmitterProtein phosphorylationMNTB neuronsGene expressionBushy cellsPrincipal neuronsTrapezoid bodyCochlear nucleusIntrinsic excitabilityMedial nucleusVoltage-dependent channelsFiring patternsNeuronsAmplitude of currentsKv1 familySound stimuliLong-term modulationSound localization
2004
Kv1.3 Channel Gene-Targeted Deletion Produces “Super-Smeller Mice” with Altered Glomeruli, Interacting Scaffolding Proteins, and Biophysics
Fadool DA, Tucker K, Perkins R, Fasciani G, Thompson RN, Parsons AD, Overton JM, Koni PA, Flavell RA, Kaczmarek LK. Kv1.3 Channel Gene-Targeted Deletion Produces “Super-Smeller Mice” with Altered Glomeruli, Interacting Scaffolding Proteins, and Biophysics. Neuron 2004, 41: 389-404. PMID: 14766178, PMCID: PMC2737549, DOI: 10.1016/s0896-6273(03)00844-4.Peer-Reviewed Original ResearchMeSH Keywords14-3-3 ProteinsAdaptor Proteins, Vesicular TransportAnimalsBehavior, AnimalBlotting, WesternBody WeightBrain-Derived Neurotrophic FactorCalcium ChannelsCells, CulturedDensitometryDifferential ThresholdDiscrimination, PsychologicalDose-Response Relationship, DrugDrinkingElectric StimulationEmbryo, MammalianEnergy IntakeExploratory BehaviorGene DeletionGRB10 Adaptor ProteinHabituation, PsychophysiologicHumansInsulinKidneyKineticsKv1.3 Potassium ChannelMembrane PotentialsMiceMice, KnockoutMotor ActivityNerve Tissue ProteinsNeuronsNeurotoxinsNuclear Matrix-Associated ProteinsOdorantsOlfactory BulbPatch-Clamp TechniquesPotassium ChannelsPotassium Channels, Voltage-GatedProteinsRas ProteinsReceptor, trkBReverse Transcriptase Polymerase Chain ReactionRNA, MessengerScorpion VenomsSensory ThresholdsSrc-Family KinasesTime FactorsTyrosine 3-MonooxygenaseConceptsKv1.3-/- miceProtein-protein interactionsGene-targeted deletionKv1.3-null miceSignal transductionScaffolding proteinSignaling cascadesChannel genesC-type inactivationDeletionMembrane potentialNull miceOlfactory codingDetection of odorsPotassium channelsKv1.3 channelsProteinSense of smellSlow inactivation kineticsWild-type miceTransductionGenesOlfactory bulb mitral cellsMiceRole
2003
Compensatory Anion Currents in Kv1.3 Channel-deficient Thymocytes*
Koni PA, Khanna R, Chang MC, Tang MD, Kaczmarek LK, Schlichter LC, Flavell R. Compensatory Anion Currents in Kv1.3 Channel-deficient Thymocytes*. Journal Of Biological Chemistry 2003, 278: 39443-39451. PMID: 12878608, DOI: 10.1074/jbc.m304879200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBase SequenceCell DivisionChloride ChannelsDNAFemaleGene ExpressionIon TransportKv1.3 Potassium ChannelLymphocyte ActivationMaleMembrane PotentialsMiceMice, Inbred C57BLMice, KnockoutPatch-Clamp TechniquesPotassium ChannelsPotassium Channels, Voltage-GatedRNA, MessengerT-LymphocytesConceptsWild-type cellsKv1.3-/- micePotassium channel subunitsVoltage-gated potassium channelsMouse thymocyte subsetsChloride currentsChannel subunitsAnion currentsT-cell activation/proliferationVoltage-dependent potassium currentsVolume regulationCell proliferationThymocyte apoptosisT cell responsesCell-mediated cytotoxicityObvious defectsCell activation/proliferationImmune system defectsT cell proliferationActivation/proliferationPotassium channelsLymph nodesCompensatory effectLymphocyte typeKv1.3
2001
Localization of two high‐threshold potassium channel subunits in the rat central auditory system
Li W, Kaczmarek L, Perney T. Localization of two high‐threshold potassium channel subunits in the rat central auditory system. The Journal Of Comparative Neurology 2001, 437: 196-218. PMID: 11494252, DOI: 10.1002/cne.1279.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAuditory PathwaysCochlear NucleusFemaleGene ExpressionGeniculate BodiesImmunohistochemistryIn Situ HybridizationInferior ColliculiNeuronsNeuropeptidesOligonucleotide ProbesOlivary NucleusPotassium ChannelsPotassium Channels, Voltage-GatedRatsRats, Sprague-DawleyRNA, MessengerShaw Potassium ChannelsConceptsAuditory neuronsKv3.1 mRNAPotassium channelsMost auditory neuronsBrainstem auditory neuronsRat central auditory systemAction potential thresholdSubpopulation of neuronsCentral auditory systemLateral superior oliveRat auditory systemAuditory systemVoltage-sensitive potassium channelsRapid deactivation kineticsPotassium channel subunitsTrapezoid bodyRat brainstemMedial nucleusVentral nucleusLateral lemniscusTerminal arborizationsSynaptic inputsAuditory nucleiSuperior oliveChannel expressionAplysia Ror Forms Clusters on the Surface of Identified Neuroendocrine Cells
McKay S, Hislop J, Scott D, Bulloch A, Kaczmarek L, Carew T, Sossin W. Aplysia Ror Forms Clusters on the Surface of Identified Neuroendocrine Cells. Molecular And Cellular Neuroscience 2001, 17: 821-841. PMID: 11358481, DOI: 10.1006/mcne.2001.0977.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAmino Acid SequenceAnimalsAntibody SpecificityAplysiaBase SequenceCaenorhabditis elegans ProteinsCell CompartmentationCells, CulturedCloning, MolecularGanglia, InvertebrateImmunohistochemistryMolecular Sequence DataNeuronsNeurosecretory SystemsReceptor Protein-Tyrosine KinasesReceptor Tyrosine Kinase-like Orphan ReceptorsReceptors, Cell SurfaceRNA, MessengerConceptsBag cell neuronsNeuroendocrine bag cell neuronsROR receptorsCultured bag cell neuronsRegulation of growthReceptor tyrosine kinasesMarine mollusk Aplysia californicaPeripheral neuronal processesMollusk Aplysia californicaCellular polarityFunctional domainsTyrosine kinaseIntracellular organellesCell surfaceProteinNeuroendocrine cellsKinaseAplysia californicaRelease sitesNeuronal processesOrganellesNeuronal populationsForm clustersGanglionic neuropilReceptors
2000
Cloning and localization of the hyperpolarization-activated cyclic nucleotide-gated channel family in rat brain
Monteggia L, Eisch A, Tang M, Kaczmarek L, Nestler E. Cloning and localization of the hyperpolarization-activated cyclic nucleotide-gated channel family in rat brain. Brain Research 2000, 81: 129-139. PMID: 11000485, DOI: 10.1016/s0169-328x(00)00155-8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBrainCloning, MolecularCyclic Nucleotide-Gated Cation ChannelsHumansHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsIn Situ HybridizationIon ChannelsMaleMembrane PotentialsModels, MolecularMolecular Sequence DataMultigene FamilyMuscle ProteinsNerve Tissue ProteinsOrgan SpecificityPotassium ChannelsProtein Structure, SecondaryRatsRats, Sprague-DawleyRNA, MessengerSequence AlignmentSequence Homology, Amino AcidTranscription, GeneticConceptsRat brainLower brain stem nucleiNeuronal pacemaker activityPrincipal relay nucleiBrain stem nucleiVentral cochlear nucleusAdult rat brainFacial motor nucleusCerebral cortexMotor nucleusStem nucleiTrapezoid bodyCochlear nucleusMamillary bodiesMedial habenulaRelay nucleiHCN1 expressionHCN1-4Olfactory bulbPontine nucleiAdult brainRhythmic firingPacemaker activitySupraoptic nucleusHCN4 expression
1999
Cell Type‐Specific Expression of the Kv3.1 Gene Is Mediated by a Negative Element in the 5′ Untranslated Region of the Kv3.1 Promoter
Gan L, Hahn S, Kaczmarek L. Cell Type‐Specific Expression of the Kv3.1 Gene Is Mediated by a Negative Element in the 5′ Untranslated Region of the Kv3.1 Promoter. Journal Of Neurochemistry 1999, 73: 1350-1362. PMID: 10501178, DOI: 10.1046/j.1471-4159.1999.0731350.x.Peer-Reviewed Original ResearchMeSH Keywords3T3 Cells5' Untranslated RegionsAnimalsBase SequenceBeta-GalactosidaseBrainCell LineCHO CellsCloning, MolecularCricetinaeGene Expression RegulationGliomaHumansMiceMice, TransgenicMolecular Sequence DataNeuropeptidesOrgan SpecificityPC12 CellsPotassium ChannelsPotassium Channels, Voltage-GatedPromoter Regions, GeneticRatsRecombinant Fusion ProteinsRegulatory Sequences, Nucleic AcidRNA, MessengerShaw Potassium ChannelsTranscription, GeneticTransfectionConceptsType-specific expressionUntranslated regionCell type-specific enhancersCell type-specific expressionCell linesTissue-specific expressionThymidine kinase promoterCell-type specificityTransient transfection assaysKv3.1 potassium channel genePotassium channel genesKv3.1 geneDifferent tissue originsRegulatory fragmentDeletion analysisRegulatory regionsTranscriptional mechanismsTransgenic miceTransfection assaysKinase promoterFunctional analysisChannel genesType specificityPromoterGeneshSK4/hIK1, a Calmodulin-binding KCa Channel in Human T Lymphocytes ROLES IN PROLIFERATION AND VOLUME REGULATION*
Khanna R, Chang M, Joiner W, Kaczmarek L, Schlichter L. hSK4/hIK1, a Calmodulin-binding KCa Channel in Human T Lymphocytes ROLES IN PROLIFERATION AND VOLUME REGULATION*. Journal Of Biological Chemistry 1999, 274: 14838-14849. PMID: 10329683, DOI: 10.1074/jbc.274.21.14838.Peer-Reviewed Original ResearchConceptsIK currentsActivated T cell functionSecondary immune responseNaive T cellsT cell functionPromising therapeutic targetChinese hamster ovary cellsHamster ovary cellsHuman T lymphocytesVolume regulationKCa channelsT cellsT lymphocytesImmune responseTherapeutic targetIK blockHSK4Accessory moleculesHuman T lymphoblastsOvary cellsDistal C-terminusPharmacological propertiesT lymphoblastsCell functionProximal C-terminus
1998
Depolarization Selectively Increases the Expression of the Kv3.1 Potassium Channel in Developing Inferior Colliculus Neurons
Liu S, Kaczmarek L. Depolarization Selectively Increases the Expression of the Kv3.1 Potassium Channel in Developing Inferior Colliculus Neurons. Journal Of Neuroscience 1998, 18: 8758-8769. PMID: 9786983, PMCID: PMC6793528, DOI: 10.1523/jneurosci.18-21-08758.1998.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAnimals, NewbornCalciumGene Expression Regulation, DevelopmentalIn Vitro TechniquesInferior ColliculiMembrane PotentialsNeuropeptidesPatch-Clamp TechniquesPotassiumPotassium ChannelsPotassium Channels, Voltage-GatedRatsRats, Sprague-DawleyRNA, MessengerShaw Potassium ChannelsConceptsInferior colliculus neuronsOnset of hearingColliculus neuronsCalcium influxChannel subunitsPotassium currentAction potentialsElevated external potassium concentrationCalcium channel blockersDepolarization-induced increaseSpontaneous neuronal activityNoninactivating potassium currentKv3.1 potassium channelVoltage-clamp experimentsChannel blockersNeuronal excitabilityElevated potassiumAuditory neuronsNeuronal activityExternal potassium concentrationExternal potassium ionsNeuronsPotassium channelsMRNA levelsMarked increaseContribution of the Kv3.1 potassium channel to high‐frequency firing in mouse auditory neurones
Wang L, Gan L, Forsythe I, Kaczmarek L. Contribution of the Kv3.1 potassium channel to high‐frequency firing in mouse auditory neurones. The Journal Of Physiology 1998, 509: 183-194. PMID: 9547392, PMCID: PMC2230948, DOI: 10.1111/j.1469-7793.1998.183bo.x.Peer-Reviewed Original ResearchThe Expression of Two Splice Variants of the Kv3.1 Potassium Channel Gene Is Regulated by Different Signaling Pathways
Liu S, Kaczmarek L. The Expression of Two Splice Variants of the Kv3.1 Potassium Channel Gene Is Regulated by Different Signaling Pathways. Journal Of Neuroscience 1998, 18: 2881-2890. PMID: 9526005, PMCID: PMC6792597, DOI: 10.1523/jneurosci.18-08-02881.1998.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsCerebellumFibroblast Growth FactorsGene Expression Regulation, DevelopmentalMembrane PotentialsNerve Growth FactorsNeuropeptidesPotassium ChannelsPotassium Channels, Voltage-GatedProtein Kinase CRatsRats, Sprague-DawleyRNA, MessengerSecond Messenger SystemsShaw Potassium ChannelsSignal TransductionTranscription, GeneticConceptsDifferent signaling pathwaysKv3.1 potassium channel genePotassium channel genesBasic fibroblast growth factorChannel genesSignaling pathwaysNuclear protein kinase C activityMRNA levelsDifferent channel proteinsProtein kinase C inhibitorProtein kinase C activityKinase C inhibitorKinase C activityAlternative splicingNuclear RNAChannel proteinsMolecular mechanismsFibroblast growth factorDifferential regulationDevelopmental stagesSplice variantsC inhibitorPKC activityC activityGenes
1997
Localization of a high threshold potassium channel in the rat cochlear nucleus
Perney T, Kaczmarek L. Localization of a high threshold potassium channel in the rat cochlear nucleus. The Journal Of Comparative Neurology 1997, 386: 178-202. PMID: 9295146, DOI: 10.1002/(sici)1096-9861(19970922)386:2<178::aid-cne2>3.0.co;2-z.Peer-Reviewed Original ResearchConceptsCochlear nucleusBushy cellsKv3.1 mRNAKv3.1 channelsPotassium channelsDorsal cochlear nucleusRat cochlear nucleusVentral cochlear nucleusLarge synaptic potentialsTypes of neuronsProximal dendritesSynaptic potentialsAxon terminalsStained neuronsUnmyelinated axonsAuditory neuronsNeuronal firingOctopus cellsMultipolar cellsGiant cellsKv3.1 proteinNeuronsKv3.1Situ hybridizationImmunolabelingProperties and regulation of the minK potassium channel protein
Kaczmarek L, Blumenthal E. Properties and regulation of the minK potassium channel protein. Physiological Reviews 1997, 77: 627-641. PMID: 9234960, DOI: 10.1152/physrev.1997.77.3.627.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMinK proteinSingle transmembrane segmentPotassium channel proteinChannel-forming subunitTransmembrane segmentsMink genesChannel proteinsSecond messengerAmino acidsKvLQT1 channelsXenopus oocytesProteinNative currentsEpithelial cellsMinK mRNAIon selectivityVoltage-dependent potassium currentsResultant channelPotassium currentStrong candidateCellsGenesSubunitsVestibular organsMessenger
1996
Manipulation of the delayed rectifier Kv1.5 potassium channel in glial cells by antisense oligodeoxynucleotides
Roy M, Saal D, Perney T, Sontheimer H, Waxman S, Kaczmarek L. Manipulation of the delayed rectifier Kv1.5 potassium channel in glial cells by antisense oligodeoxynucleotides. Glia 1996, 18: 177-184. PMID: 8915650, DOI: 10.1002/(sici)1098-1136(199611)18:3<177::aid-glia2>3.0.co;2-x.Peer-Reviewed Original ResearchConceptsGlial cellsKv1.5 channel proteinSpinal cordKv1.5 proteinCultured spinal cordTEA-insensitive currentSpinal cord astrocytesRectifier current densityPotassium channel typesAntisense oligodeoxynucleotide treatmentKv1.5 potassium channelAdult ratsCerebellar slicesChannel proteinsAstrocytesOligodeoxynucleotide treatmentPotassium channelsRectifier currentEndfoot processesSuch treatmentCurrent activationAntisense oligodeoxynucleotidesCordCellsTreatment
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 CompoundsThionucleotides
1994
The minK potassium channel exists in functional and nonfunctional forms when expressed in the plasma membrane of Xenopus oocytes
Blumenthal E, Kaczmarek L. The minK potassium channel exists in functional and nonfunctional forms when expressed in the plasma membrane of Xenopus oocytes. Journal Of Neuroscience 1994, 14: 3097-3105. PMID: 7514215, PMCID: PMC6577436, DOI: 10.1523/jneurosci.14-05-03097.1994.Peer-Reviewed Original ResearchConceptsN-terminal domainMinK proteinPlasma membraneInjected mRNAXenopus oocytesMinK potassium channelsFunctional potassium channelsPotassium channelsAmino acid epitopeProtein sequencesLevels of proteinMink genesLive oocytesIntracellular cAMP levelsKinetics of activationProteinOocytesMinK mRNANonfunctional formMRNASurface expressionRNAMinK currentsMRNA levelsCAMP levels
1992
Expression of the mRNAs for the Kv3.1 potassium channel gene in the adult and developing rat brain
Perney T, Marshall J, Martin K, Hockfield S, Kaczmarek L. Expression of the mRNAs for the Kv3.1 potassium channel gene in the adult and developing rat brain. Journal Of Neurophysiology 1992, 68: 756-766. PMID: 1432046, DOI: 10.1152/jn.1992.68.3.756.Peer-Reviewed Original ResearchConceptsAdult rat brainRat brainSitu hybridization histochemistryAlpha mRNAThalamic nucleiHigh-frequency firing ratesHybridization histochemistryBeta mRNASubstantia nigra reticulataReticular thalamic nucleusNarrow action potentialsPostnatal day 10Embryonic day 17Alpha mRNA levelsSplice variantsKv3.1 transcriptsProtection assaysHeterogeneous expression patternKv3.1 potassium channel geneOlfactory tubercleVestibular nucleiBrain stemGlobus pallidusSame neuronsInferior colliculusExpression of the H-ras oncogene induces potassium conductance and neuron-specific potassium channel mRNAs in the AtT20 cell line
Hemmick L, Perney T, Flamm R, Kaczmarek L, Birnberg N. Expression of the H-ras oncogene induces potassium conductance and neuron-specific potassium channel mRNAs in the AtT20 cell line. Journal Of Neuroscience 1992, 12: 2007-2014. PMID: 1607925, PMCID: PMC6575920, DOI: 10.1523/jneurosci.12-06-02007.1992.Peer-Reviewed Original ResearchConceptsRas-transfected cellsAtT20 cell lineAtT20 cellsEJ-ras oncogeneCell linesPotassium channelsVoltage-dependent potassium channelsRas proteinsPituitary-derived cellsMRNA speciesPlasma membraneSpliced productsPotassium channel mRNASame geneChannel mRNADifferential expressionPotassium currentExcitable cellsVoltage-dependent potassium currentsTwo- to threefold increaseMRNAOncogeneSpeciesExpressionPhenotype