2010
The Slack Sodium-Activated Potassium Channel Provides a Major Outward Current in Olfactory Neurons of Kv1.3−/− Super-Smeller Mice
Lu S, Das P, Fadool DA, Kaczmarek LK. The Slack Sodium-Activated Potassium Channel Provides a Major Outward Current in Olfactory Neurons of Kv1.3−/− Super-Smeller Mice. Journal Of Neurophysiology 2010, 103: 3311-3319. PMID: 20393063, PMCID: PMC2888249, DOI: 10.1152/jn.00607.2009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBiophysicsCardiovascular AgentsCells, CulturedElectric StimulationGene Expression RegulationIn Vitro TechniquesKv1.3 Potassium ChannelMembrane PotentialsMiceMice, Inbred C57BLMice, KnockoutNerve Tissue ProteinsNeuronsOlfactory BulbPatch-Clamp TechniquesPotassium ChannelsPotassium Channels, Sodium-ActivatedPyrimidinesRNA InterferenceSodium Channel BlockersTetrodotoxinTransfectionConceptsMitral cellsOlfactory bulbOutward currentsOlfactory neuronsWildtype animalsPotassium channelsMajor outward currentVoltage-clamp recordingsVoltage-dependent potassium channelsNet outward currentIntracellular sodiumOB slicesPotassium channel genesCompensatory increaseFiring patternsWestern blottingRNA interference approachPrimary culturesEnhanced expressionDetection of odorsSame treatmentChannel genesMiceNeuronsOlfactory phenotypes
1994
Transient changes in intracellular calcium associated with a prolonged increase in excitability in neurons of Aplysia californica
Fisher T, Levy S, Kaczmarek L. Transient changes in intracellular calcium associated with a prolonged increase in excitability in neurons of Aplysia californica. Journal Of Neurophysiology 1994, 71: 1254-1257. PMID: 8201416, DOI: 10.1152/jn.1994.71.3.1254.Peer-Reviewed Original ResearchConceptsIntracellular calcium levelsBag cell neuronsCalcium levelsSpontaneous firingCell neuronsIntracellular calciumAction potentialsTransient elevationBasal intracellular calcium levelsLong-duration action potentialsBasal calcium levelsFree calcium ion concentrationTriggers calcium releaseCalcium-sensitive microelectrodesAplysia californicaIndividual action potentialsAfferent stimulationAfferent inputAfterdischargesProlonged increaseCalcium releaseCalcium ion concentrationNeuronsBiphasic patternPrimary cultures
1986
Multiple components of delayed potassium current in peptidergic neurons of Aplysia: modulation by an activator of adenylate cyclase
Strong J, Kaczmarek L. Multiple components of delayed potassium current in peptidergic neurons of Aplysia: modulation by an activator of adenylate cyclase. Journal Of Neuroscience 1986, 6: 814-822. PMID: 2420948, PMCID: PMC6568473, DOI: 10.1523/jneurosci.06-03-00814.1986.Peer-Reviewed Original ResearchConceptsAction potentialsApplication of forskolinBag cell neuronsPotassium currentCell neuronsOutward currentsWhole-cell patch-clamp techniqueBag cell afterdischargePatch-clamp techniqueEffect of forskolinElevation of cAMPPeptidergic neuronsCalcium entryClamp techniqueAfterdischargesReproductive tractMsec depolarizationsAdenylate cyclasePrimary culturesHigh intracellular concentrationsNeuronsMin periodRepetitive activitySpike widthForskolin
1980
Microinjection of catalytic subunit of cyclic AMP-dependent protein kinase enhances calcium action potentials of bag cell neurons in cell culture
Kaczmarek LK, Jennings KR, Strumwasser F, Nairn AC, Walter U, Wilson FD, Greengard P. Microinjection of catalytic subunit of cyclic AMP-dependent protein kinase enhances calcium action potentials of bag cell neurons in cell culture. Proceedings Of The National Academy Of Sciences Of The United States Of America 1980, 77: 7487-7491. PMID: 6261262, PMCID: PMC350530, DOI: 10.1073/pnas.77.12.7487.Peer-Reviewed Original ResearchConceptsCalcium action potentialsBag cell neuronsAction potentialsCell neuronsInput resistanceCalcium antagonistsControl injectionsIntracellular injectionAbdominal ganglionPotassium channelsProtein kinaseNeuronsPrimary culturesInjected cellsInjectionIntracellular microinjectionMembrane potentialSubthreshold oscillationsAMP-dependent protein kinaseMicroinjectionCell culturesCyclic AMP-dependent protein kinaseSpike enhancementCatalytic subunitExtracellular medium
1979
The morphology and coupling of Aplysia bag cells within the abdominal ganglion and in cell culture
Kaczmarek L, Finbow M, Revel J, Strumwasser F. The morphology and coupling of Aplysia bag cells within the abdominal ganglion and in cell culture. Developmental Neurobiology 1979, 10: 535-550. PMID: 521813, DOI: 10.1002/neu.480100604.Peer-Reviewed Original ResearchConceptsBag cell clustersBag cellsAbdominal ganglionLucifer YellowConnective tissueBag cell afterdischargeCell clustersSynchronous action potentialsIntracellular injectionIntact gangliaAction potentialsGangliaPrimary culturesNeurosecretory cellsDistal processesInjected cellsAfterdischargesCell actionGap junctionsSomaDye transferCellsPairs of cellsCell culturesCell processes