1990
Control of potassium currents and cyclic AMP levels by autoactive neuropeptides in Aplysia neurons
Loechner K, Kaczmarek L. Control of potassium currents and cyclic AMP levels by autoactive neuropeptides in Aplysia neurons. Brain Research 1990, 532: 1-6. PMID: 2178030, DOI: 10.1016/0006-8993(90)91733-w.Peer-Reviewed Original ResearchConceptsVoltage-dependent potassium currentsCyclic AMP levelsBag cell neuronsPotassium currentCell neuronsAMP levelsAlpha-BCPWhole-cell patch-clamp techniqueCell patch-clamp techniqueBag cell afterdischargeTransient voltage-dependent potassium currentPatch-clamp techniqueDelayed potassium currentPharmacologic elevationClamp techniqueOutward currentsAfterdischargesNeuronsCell peptidesAplysia neuronsNeuropeptidesBeta-BCPConsistent effectSecond messengerAlpha
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
1982
An early sodium and a late calcium phase in the afterdischarge of peptide-secreting neurons ofAplysia
Kaczmarek L, Jennings K, Strumwasser F. An early sodium and a late calcium phase in the afterdischarge of peptide-secreting neurons ofAplysia. Brain Research 1982, 238: 105-115. PMID: 6282390, DOI: 10.1016/0006-8993(82)90774-0.Peer-Reviewed Original Research
1981
Serotonergic inhibition of afterdischarge in peptidergic bag cells
Jennings K, Host J, Kaczmarek L, Strumwasser F. Serotonergic inhibition of afterdischarge in peptidergic bag cells. Developmental Neurobiology 1981, 12: 579-590. PMID: 7310396, DOI: 10.1002/neu.480120606.Peer-Reviewed Original ResearchConceptsEgg-laying hormoneAfterdischarge activityConnective nervesBag cellsSpike frequencyPotassium channel blocker tetraethylammoniumEffects of serotoninBag cell afterdischargeChannel blocker tetraethylammoniumDose-dependent mannerResult of serotoninPeptide hormone releaseNeuroendocrine bag cellsSerotonergic inhibitionSerotonin inhibitionSerotonergic synapsesSerotonergic inputBag cell neuronsHormone releaseIntracellular recordingsSerotonin receptorsBlocker tetraethylammoniumD-butaclamolAfterdischargesElectrical stimulation
1980
Purification and primary structure of two neuroactive peptides that cause bag cell afterdischarge and egg-laying in Aplysia
Heller E, Kaczmarek L, Hunkapiller M, Hood L, Strumwasser F. Purification and primary structure of two neuroactive peptides that cause bag cell afterdischarge and egg-laying in Aplysia. Proceedings Of The National Academy Of Sciences Of The United States Of America 1980, 77: 2328-2332. PMID: 6929554, PMCID: PMC348708, DOI: 10.1073/pnas.77.4.2328.Peer-Reviewed Original ResearchConceptsBag cell neuronsEgg-laying hormoneCell neuronsNeuroactive peptidesBag cell afterdischargePeptide BPleuroabdominal connectivesAbdominal ganglionRecipient animalsNeuronal receptorsHead gangliaVitro recordingsReproductive tractBag cellsGangliaAtrial glandNeuronsAtrial gland peptidesHormoneGlandGland peptideAgarose gel filtrationPeptide AAplysiaPro-Phe
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
1978
Neurotransmitter modulation, phosphodiesterase inhibitor effects, and cyclic AMP correlates of afterdischarge in peptidergic neurites
Kaczmarek L, Jennings K, Strumwasser F. Neurotransmitter modulation, phosphodiesterase inhibitor effects, and cyclic AMP correlates of afterdischarge in peptidergic neurites. Proceedings Of The National Academy Of Sciences Of The United States Of America 1978, 75: 5200-5204. PMID: 217016, PMCID: PMC336293, DOI: 10.1073/pnas.75.10.5200.Peer-Reviewed Original Research