1997
Regulation by insulin of a unique neuronal Ca2+ pool and of neuropeptide secretion
Jonas E, Knox R, Smith T, Wayne N, Connor J, Kaczmarek L. Regulation by insulin of a unique neuronal Ca2+ pool and of neuropeptide secretion. Nature 1997, 385: 343-346. PMID: 9002519, DOI: 10.1038/385343a0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzoquinonesCalciumCalcium ChannelsCells, CulturedCyclic AMPEndoplasmic ReticulumHeparinInositol 1,4,5-TrisphosphateInositol 1,4,5-Trisphosphate ReceptorsInsulinInvertebrate HormonesLactams, MacrocyclicNeuronsNeuropeptidesProtein-Tyrosine KinasesQuinonesReceptors, Cytoplasmic and NuclearRifabutinThapsigarginConceptsIntracellular Ca2Neuropeptide secretionSpontaneous action potentialsEffect of insulinSecretion of neuropeptidesTyrosine kinase receptorsAcute riseBag cell neuronsDistal tipNeuronal dischargeNeuronal Ca2Distinct intracellular poolsCell neuronsAction potentialsCyclic AMP analogueInsulinNeuropeptidesInsulin receptorKinase receptorsSecretionPresumed siteNeuronsIntracellular poolMitochondrial Ca2Receptors
1994
Cyclic AMP modulates fast axonal transport in aplysia bag cell neurons by increasing the probability of single organelle movement
Azhderian EM, Hefner D, Lin C, Kaczmarek LK, Forscher P. Cyclic AMP modulates fast axonal transport in aplysia bag cell neurons by increasing the probability of single organelle movement. Neuron 1994, 12: 1223-1233. PMID: 7516686, DOI: 10.1016/0896-6273(94)90439-1.Peer-Reviewed Original ResearchA 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
1992
Inhibition of peptide release from invertebrate neurons by the protein kinase inhibitor H-7
Loechner K, Mattessich-Arrandale J, Azhderian E, Kaczmarek L. Inhibition of peptide release from invertebrate neurons by the protein kinase inhibitor H-7. Brain Research 1992, 581: 315-318. PMID: 1393536, DOI: 10.1016/0006-8993(92)90724-n.Peer-Reviewed Original ResearchHyperosmotic media inhibit voltage-dependent calcium influx and peptide release in Aplysia neurons
Loechner K, Knox R, Connor J, Kaczmarek L. Hyperosmotic media inhibit voltage-dependent calcium influx and peptide release in Aplysia neurons. The Journal Of Membrane Biology 1992, 128: 41-52. PMID: 1323684, DOI: 10.1007/bf00231869.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAplysiaCalciumCalcium ChannelsChromatography, High Pressure LiquidCulture MediaInvertebrate HormonesNeuronsOsmosisConceptsBag cell neuronsCell neuronsAction potentialsVoltage-dependent calcium influxVoltage-dependent calcium currentsPotassium-induced depolarizationIntracellular calcium levelsCalcium indicator dyeEffect of hyperosmolalityHyperosmotic mediumCalcium currentCalcium influxFura-2Calcium levelsPeptide secretionCalcium entryAfterdischargesBrief stimulationNeuroactive peptidesNeuronsSecretory propertiesAplysia neuronsHigh potassiumPeptide releaseRelease of peptides
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 ResearchMeSH KeywordsAmino Acid SequenceAnimalsAplysiaCells, CulturedCyclic AMPInvertebrate HormonesMembrane PotentialsMolecular Sequence DataNeuronsNeuropeptidesPotassiumConceptsVoltage-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 messengerAlphaCyclic AMP regulates processing of neuropeptide precursor in bag cell neurons ofAplysia
Azhderian E, Kaczmarek L. Cyclic AMP regulates processing of neuropeptide precursor in bag cell neurons ofAplysia. Journal Of Molecular Neuroscience 1990, 2: 61-70. PMID: 1964064, DOI: 10.1007/bf02876912.Peer-Reviewed Original ResearchConceptsBag cell neuronsEgg-laying hormoneCell neuronsCAMP levelsPresence of tetrodotoxinBag cell clustersAdenylate cyclase activator forskolinELH prohormoneCyclase activator forskolinElevation of cAMPMembrane-permeant cAMP analogAbdominal ganglionControl clustersPermeant cAMP analogueAction potentialsNeuroactive peptidesTreatment of cellsProtein synthesis inhibitor anisomycinActivator forskolinNeuronsProhormoneAfterdischargesCyclic AMPTetrodotoxinComparative peptide mappingProgressive potentiation of peptide release during a neuronal discharge
Loechner K, Azhderian E, Dreyer R, Kaczmarek L. Progressive potentiation of peptide release during a neuronal discharge. Journal Of Neurophysiology 1990, 63: 738-744. PMID: 2341872, DOI: 10.1152/jn.1990.63.4.738.Peer-Reviewed Original Research
1989
The bag cell neurons ofAplysia
Conn P, Kaczmarek L. The bag cell neurons ofAplysia. Molecular Neurobiology 1989, 3: 237-273. PMID: 2698177, DOI: 10.1007/bf02740607.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsRegulation of ion channels in Aplysia neurons by autoactive peptides and second messengers.
Loechner K, Kaczmarek L. Regulation of ion channels in Aplysia neurons by autoactive peptides and second messengers. Society Of General Physiologists Series 1989, 44: 69-82. PMID: 2476858.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1987
Alpha bag cell peptide directly modulates the excitability of the neurons that release it
Kauer J, Fisher T, Kaczmarek L. Alpha bag cell peptide directly modulates the excitability of the neurons that release it. Journal Of Neuroscience 1987, 7: 3623-3632. PMID: 2824716, PMCID: PMC6569037, DOI: 10.1523/jneurosci.07-11-03623.1987.Peer-Reviewed Original ResearchConceptsAlpha-bag cell peptideBag cell neuronsAlpha-BCPCell neuronsBag cell peptidesPotassium currentCell peptidesVoltage-dependent potassium currentsCAMP levelsVoltage-dependent outward currentIntact abdominal gangliaBag cell clustersAdenylate cyclase activator forskolinAbility of forskolinCyclase activator forskolinLevels of cAMPVoltage-clamp experimentsElectrophysiological actionsIntracellular cAMP levelsImmunohistochemical stainingIntact gangliaAbdominal ganglionPhosphodiesterase inhibitorPharmacological elevationOutward currents
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-PhePeptides controlling behavior in Aplysia.
Strumwasser F, Kaczmarek L, Chiu A, Heller E, Jennings K, Viele D. Peptides controlling behavior in Aplysia. Society Of General Physiologists Series 1980, 35: 197-218. PMID: 7414370.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAmino Acid SequenceAnimalsAplysiaCells, CulturedFemaleInvertebrate HormonesNeuronsOvipositionPeptidesSexual Behavior, AnimalConceptsCentral nervous systemNervous systemPeripheral targetsSmall molecule transmittersSubstance PReceptor binding sitesPeripheral sourcesNeuropeptidergic systemsDifferent receptorsBag cellsHormonal peptidesSingle hormoneRespective peptidesAtrial glandHormoneGlandELHPeptidesSystem actionsTargetSpecific actionsSomatostatinGastrinReceptors