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 stimulationControlling auditory excitability: the benefits of a cultured environment
Kaczmarek LK. Controlling auditory excitability: the benefits of a cultured environment. The Journal Of Physiology 2010, 588: 1387-1388. PMID: 20436041, PMCID: PMC2876793, DOI: 10.1113/jphysiol.2010.189712.Peer-Reviewed Original ResearchSpecific and rapid effects of acoustic stimulation on the tonotopic distribution of Kv3.1b potassium channels in the adult rat
Strumbos J, Polley D, Kaczmarek L. Specific and rapid effects of acoustic stimulation on the tonotopic distribution of Kv3.1b potassium channels in the adult rat. Neuroscience 2010, 167: 567-572. PMID: 20219640, PMCID: PMC2854512, DOI: 10.1016/j.neuroscience.2010.02.046.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAdaptation, PhysiologicalAnimalsAntibody SpecificityAuditory PathwaysAuditory ThresholdImmunohistochemistryIon Channel GatingNerve Tissue ProteinsNeuronal PlasticityRatsRats, Sprague-DawleyReaction TimeRhombencephalonShaw Potassium ChannelsSound LocalizationSynaptic TransmissionTime FactorsUp-RegulationConceptsTotal cellular levelsCytoplasmic C-terminusCellular levelVoltage-gated potassium channel subunitsPotassium channel subunitsTonotopic distributionAdult ratsC-terminusChannel proteinsChannel subunitsSound localization circuitIon channelsProteinExperience-dependent plasticityCultured neuronsPotassium channelsHigh-frequency stimuliAcute slicesMedial nucleusSynaptic activityAuditory neuronsKv3.1 proteinMin of exposureAction potentialsAcoustic stimulation
2005
Acoustic environment determines phosphorylation state of the Kv3.1 potassium channel in auditory neurons
Song P, Yang Y, Barnes-Davies M, Bhattacharjee A, Hamann M, Forsythe ID, Oliver DL, Kaczmarek LK. Acoustic environment determines phosphorylation state of the Kv3.1 potassium channel in auditory neurons. Nature Neuroscience 2005, 8: 1335-1342. PMID: 16136041, DOI: 10.1038/nn1533.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAction PotentialsAnimalsAnimals, NewbornBrain StemCHO CellsCricetinaeCricetulusDose-Response Relationship, RadiationElectric StimulationEnzyme InhibitorsFunctional LateralityGene Expression RegulationImmunohistochemistryIn Vitro TechniquesIndolesMaleimidesNeuronsPatch-Clamp TechniquesPhosphorylationProtein Kinase CRatsRats, Sprague-DawleyTetradecanoylphorbol AcetateConceptsKv3.1 potassium channelAction potentialsAuditory neuronsPotassium channelsShort-duration action potentialsRat brainstem neuronsAuditory brainstem nucleiProtein kinase CHigh-frequency spikingHigh-frequency auditoryBrainstem neuronsHigh-frequency stimuliBrainstem nucleiSynaptic stimulationNeuronsInteraural differencesSound localizationIntrinsic electrical propertiesKinase C
2004
Loss of Kv3.1 Tonotopicity and Alterations in cAMP Response Element-Binding Protein Signaling in Central Auditory Neurons of Hearing Impaired Mice
von Hehn CA, Bhattacharjee A, Kaczmarek LK. Loss of Kv3.1 Tonotopicity and Alterations in cAMP Response Element-Binding Protein Signaling in Central Auditory Neurons of Hearing Impaired Mice. Journal Of Neuroscience 2004, 24: 1936-1940. PMID: 14985434, PMCID: PMC6730406, DOI: 10.1523/jneurosci.4554-03.2004.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAge FactorsAnimalsAuditory PathwaysBrain StemCerebellumCyclic AMP Response Element-Binding ProteinDisease ProgressionMaleMiceMice, Inbred C57BLMice, Inbred CBAMice, Inbred DBANeuronsNeuropeptidesPhosphorylationPotassium ChannelsPotassium Channels, Voltage-GatedPresbycusisReflex, StartleShaw Potassium ChannelsConceptsCAMP response element-binding proteinResponse element-binding proteinTonotopic axisBL/6 miceElement-binding proteinCochlear hair cell lossPCREB-positive cellsAuditory brainstem neuronsCentral auditory neuronsHair cell lossCBA/JTranscription factor cAMP response element-binding proteinBrainstem neuronsKv3.1 potassium channel geneTrapezoid bodyImpaired miceMedial nucleusAuditory brainstemImmunopositive cellsAuditory neuronsMedial endPotassium channel genesGood hearingCell lossCREB expression