1996
Ca2+ influx and activation of a cation current are coupled to intracellular Ca2+ release in peptidergic neurons of Aplysia californica.
Knox RJ, Jonas EA, Kao LS, Smith PJ, Connor JA, Kaczmarek LK. Ca2+ influx and activation of a cation current are coupled to intracellular Ca2+ release in peptidergic neurons of Aplysia californica. The Journal Of Physiology 1996, 494: 627-639. PMID: 8865062, PMCID: PMC1160665, DOI: 10.1113/jphysiol.1996.sp021520.Peer-Reviewed Original ResearchConceptsBag cell neuronsCell neuronsThapsigargin-sensitive Ca2Cation currentReversal potentialVoltage-activated Ba2Non-selective cation currentAplysia californicaApparent reversal potentialSteady-state Ca2Thapsigargin-induced elevationMin. 3Endoplasmic reticulum Ca2Voltage-clamp experimentsMicroM tetrodotoxinPeptidergic neuronsIntact gangliaAbdominal ganglionExtracellular Ca2Intracellular Ca2Intracellular storesBAPTA-AMSmall depolarizationBasal levelsNeurons
1994
A shab potassium channel contributes to action potential broadening in peptidergic neurons
Quattrocki E, Marshall J, Kaczmarek L. A shab potassium channel contributes to action potential broadening in peptidergic neurons. Neuron 1994, 12: 73-86. PMID: 8292361, DOI: 10.1016/0896-6273(94)90153-8.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAmino Acid SequenceAnimalsAplysiaBase SequenceCloning, MolecularDNA, ComplementaryFemaleInvertebrate HormonesKineticsMathematicsModels, TheoreticalMolecular Sequence DataNeuronsOocytesPolymerase Chain ReactionPotassiumPotassium ChannelsShab Potassium ChannelsTetraethylammoniumTetraethylammonium CompoundsTranscription, GeneticXenopus laevis
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 widthForskolinThe Control of Long-Lasting Changes in Membrane Excitability by Protein Phosphorylation in Peptidergic Neurons
Kaczmarek L. The Control of Long-Lasting Changes in Membrane Excitability by Protein Phosphorylation in Peptidergic Neurons. 1986, 421-439. DOI: 10.1007/978-1-4613-2115-6_29.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1984
A voltage-clamp analysis of currents underlying cyclic AMP-induced membrane modulation in isolated peptidergic neurons of Aplysia
Kaczmarek L, Strumwasser F. A voltage-clamp analysis of currents underlying cyclic AMP-induced membrane modulation in isolated peptidergic neurons of Aplysia. Journal Of Neurophysiology 1984, 52: 340-349. PMID: 6090605, DOI: 10.1152/jn.1984.52.2.340.Peer-Reviewed Original ResearchConceptsBag cell neuronsCell neuronsCyclic AMP analoguePotassium currentOutward currentsNormal ionic mediumOnset of afterdischargePhosphodiesterase-resistant cAMP analoguePeak inward currentsAMP analogueBag cell clustersDelayed potassium currentMinority of cellsSpontaneous dischargeCalcium currentPeptidergic neuronsVoltage-clamp analysisCell culturesTwo-electrode voltage clampInward currentsSodium currentNegative slope resistanceA-currentMarked reductionNeurons
1983
Calcium entry causes a prolonged refractory period in peptidergic neurons of Aplysia
Kaczmarek L, Kauer J. Calcium entry causes a prolonged refractory period in peptidergic neurons of Aplysia. Journal Of Neuroscience 1983, 3: 2230-2239. PMID: 6631477, PMCID: PMC6564640, DOI: 10.1523/jneurosci.03-11-02230.1983.Peer-Reviewed Original ResearchConceptsOnset of afterdischargeProlonged refractory periodBag cell clustersBag cell neuronsCumulative depolarizationRefractory periodNatural refractorinessCell neuronsCalcium entryAction potentialsConcentration of ionophoreExtracellular tetraethylammonium ionsRepetitive intracellular stimulationPeptidergic bag cell neuronsPleuroabdominal connectivesCell clustersCalcium-deficient mediumAdenylate cyclase activatorCalcium-containing mediumMean durationPeptidergic neuronsAbdominal ganglionAfterdischargesBrief trainsIntracellular stimulation
1982
Intracellular modulation of membrane channels by cyclic AMP-mediated protein phosphorylation in peptidergic neurons of Aplysia.
Strumwasser F, Kaczmarek L, Jennings K. Intracellular modulation of membrane channels by cyclic AMP-mediated protein phosphorylation in peptidergic neurons of Aplysia. The FASEB Journal 1982, 41: 2933-9. PMID: 6292000.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsProtein phosphorylationCyclic AMPPotassium channelsBag cell neuronsEgg-laying hormoneMembrane channelsIntracellular modulationPhosphorylationPeptidergic bag cell neuronsCell neuronsExact identityPeptidergic neuronsImportant componentControl eggsElectrical afterdischargeNeuroactive peptidesAMPEggsCorrelated behaviorNeuronsAplysiaPeptides