2018
Nonmuscle myosin II isoforms interact with sodium channel alpha subunits
Dash B, Han C, Waxman S, Dib-Hajj S. Nonmuscle myosin II isoforms interact with sodium channel alpha subunits. Molecular Pain 2018, 14: 1744806918788638. PMID: 29956586, PMCID: PMC6052497, DOI: 10.1177/1744806918788638.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAnkyrinsBrainCell Line, TransformedElectric StimulationGanglia, SpinalGene Expression RegulationGreen Fluorescent ProteinsHumansImmunoprecipitationMiceMice, Inbred C57BLMice, TransgenicMolecular Motor ProteinsMyosin Heavy ChainsNAV1.6 Voltage-Gated Sodium ChannelNonmuscle Myosin Type IIBPatch-Clamp TechniquesRatsTransfectionConceptsSodium channel alpha subunitND7/23 cellsChannel alpha subunitDorsal root ganglion tissueAlpha subunitMyosin II motor proteinsNonmuscle myosin II isoformsRodent nervous tissueRodent brain tissueSteady-state fast inactivationVoltage-sensitive channelsFast inactivationVoltage-dependent activationSodium channel alphaGanglion tissueIsoform-dependent mannerMyosin II isoformsNervous tissueRecombinant myosinBrain tissueCommon structural motifRamp currentsMotor proteinsCellular excitabilitySodium channels
2016
Pharmacotherapy for Pain in a Family With Inherited Erythromelalgia Guided by Genomic Analysis and Functional Profiling
Geha P, Yang Y, Estacion M, Schulman BR, Tokuno H, Apkarian AV, Dib-Hajj SD, Waxman SG. Pharmacotherapy for Pain in a Family With Inherited Erythromelalgia Guided by Genomic Analysis and Functional Profiling. JAMA Neurology 2016, 73: 659. PMID: 27088781, DOI: 10.1001/jamaneurol.2016.0389.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAdultAnalgesics, Non-NarcoticBrainCarbamazepineChronic PainDNA Mutational AnalysisDouble-Blind MethodElectric StimulationErythromelalgiaFemaleGanglia, SpinalHumansMagnetic Resonance ImagingMaleMutationNAV1.7 Voltage-Gated Sodium ChannelPain MeasurementRegression AnalysisSensory Receptor CellsConceptsMean episode durationDRG neuronsPatient 1Nav1.7 mutationEpisode durationDorsal root ganglion neuronsPlacebo-controlled studyMaintenance periodAttenuation of painEffects of carbamazepineBrain activityFunctional magnetic resonance imagingMagnetic resonance imagingT mutationMutant channelsFunctional magnetic resonanceNeuropathic painSecondary somatosensoryChronic painPain areaPatient 2Ganglion neuronsEffective pharmacotherapyNight awakeningsPlacebo
1999
The role of voltage-gated Ca2+ channels in anoxic injury of spinal cord white matter
Imaizumi T, Kocsis J, Waxman S. The role of voltage-gated Ca2+ channels in anoxic injury of spinal cord white matter. Brain Research 1999, 817: 84-92. PMID: 9889329, DOI: 10.1016/s0006-8993(98)01214-1.Peer-Reviewed Original ResearchConceptsVoltage-gated Ca2Spinal cord axonsAnoxic injuryDorsal columnsR-type voltage-gated Ca2N-type calcium channelsSpinal cord white matterRat dorsal columnsDorsal column axonsR-type Ca2Rat spinal cordCord white matterT-type channelsInflux of Ca2Dose-dependent mannerLoss of conductionAxonal conductionSpinal cordChannel blockersCalcium channelsSurface stimulationWhite matterPerfusion solutionInjuryGlass microelectrodes
1994
Nuclear and cytoplasmic Ca2+ signals in developing rat dorsal root ganglion neurons studied in excised tissue
Utzschneider D, Rand M, Waxman S, Kocsis J. Nuclear and cytoplasmic Ca2+ signals in developing rat dorsal root ganglion neurons studied in excised tissue. Brain Research 1994, 635: 231-237. PMID: 8173960, DOI: 10.1016/0006-8993(94)91444-3.Peer-Reviewed Original ResearchConceptsDorsal root ganglion neuronsEmbryonic DRG neuronsDepolarization-induced Ca2DRG neuronsGanglion neuronsRat dorsal root ganglion neuronsAdult dorsal root ganglion neuronsCytoplasmic Ca2Sensitive fluorescent dye fluo-3Rat DRG neuronsDorsal root gangliaExcised dorsal root gangliaFluorescent dye fluo-3Postnatal time periodsElevated extracellular potassiumEarly postnatal time periodsBrief electrical stimuliNuclear Ca2Dye Fluo-3Neonatal gangliaNeonatal neuronsTarget innervationRoot gangliaAdult neuronsEmbryonic neurons
1992
Ionic mechanisms of anoxic injury in mammalian CNS white matter: role of Na+ channels and Na(+)-Ca2+ exchanger
Stys P, Waxman S, Ransom B. Ionic mechanisms of anoxic injury in mammalian CNS white matter: role of Na+ channels and Na(+)-Ca2+ exchanger. Journal Of Neuroscience 1992, 12: 430-439. PMID: 1311030, PMCID: PMC6575619, DOI: 10.1523/jneurosci.12-02-00430.1992.Peer-Reviewed Original ResearchConceptsRat optic nerveCompound action potentialAnoxic injuryOptic nerveWhite matterAction potentialsCentral white matter tractsWhite matter injuryCNS white matterMembrane depolarizationAnoxia/ischemiaWhite matter tractsCNS protectionAnoxic insultMyelinated tractsChannel blockersExchanger blockerIrreversible injuryExtracellular Ca2Mammalian CNSNerveInjuryMore injuriesBlockersFunctional integrity
1991
Tea‐sensitive potassium channels and inward rectification in regenerated rat sciatic nerve
Gardon T, Kocsis J, Waxman S. Tea‐sensitive potassium channels and inward rectification in regenerated rat sciatic nerve. Muscle & Nerve 1991, 14: 640-646. PMID: 1922170, DOI: 10.1002/mus.880140707.Peer-Reviewed Original ResearchConceptsCompound action potentialRat sciatic nerveNerve crushRegenerated axonsSciatic nerveRegenerated nervesInward rectificationIntra-axonal recording techniquesAdult rat sciatic nerveTEA-sensitive potassium channelsPotassium channelsRegenerated rat sciatic nerveSucrose gap recordingsSciatic nerve crushPeripheral nerve axonsWhole nerve recordingsIntra-axonal recordingsVoltage-sensitive sodium channelsCrush injuryNormal nervesSensitive relaxationRepetitive stimulationAfterhyperpolarizationGap recordingsNerve recordingsCompound action potential of nerve recorded by suction electrode: a theoretical and experimental analysis
Stys P, Ransom B, Waxman S. Compound action potential of nerve recorded by suction electrode: a theoretical and experimental analysis. Brain Research 1991, 546: 18-32. PMID: 1855148, DOI: 10.1016/0006-8993(91)91154-s.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsElectric StimulationElectrodesEvoked PotentialsMembrane PotentialsModels, BiologicalNeuronsOptic NerveRatsRegression Analysis
1987
Changes in synaptic morphology associated with presynaptic and postsynaptic activity: An in vitro study of the electrosensory organ of the thornback ray
Fields R, Ellisman M, Waxman S. Changes in synaptic morphology associated with presynaptic and postsynaptic activity: An in vitro study of the electrosensory organ of the thornback ray. Synapse 1987, 1: 335-346. PMID: 2901790, DOI: 10.1002/syn.890010407.Peer-Reviewed Original ResearchConceptsPostsynaptic membraneNeurotransmitter glutamateSynaptic morphologyUltrastructure of synapsesPresynaptic membraneRibbon synapsesDirect depolarizationSynaptic activityPostsynaptic activitySpontaneous activitySynaptic fatigueSynaptic efficacyMorphological changesSynaptic structureSynapsesCytoskeletal alterations
1983
The supernormal period of the cerebellar parallel fibers effects of [Ca2+]o and [K+]o
Malenka R, Kocsis J, Waxman S. The supernormal period of the cerebellar parallel fibers effects of [Ca2+]o and [K+]o. Pflügers Archiv - European Journal Of Physiology 1983, 397: 176-183. PMID: 6878005, DOI: 10.1007/bf00584354.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsCalciumCerebellar CortexElectric StimulationExtracellular SpaceMaleMicroelectrodesNerve FibersPerfusionPotassiumRatsRats, Inbred StrainsConceptsSupernormal periodConditioning stimulationActivity-dependent changesParallel fibersCerebellar parallel fibersConditioning volleyIon-sensitive microelectrodesConditioning stimulusExtracellular calciumLatency changesLatency shiftCortex exhibitExtracellular ionic concentrationsTest response latenciesTest latencyStimulationResponse latencyRelative increaseSmall increaseLatencyPeriodSuperfusateExcitabilityEffects of extracellular potassium concentration on the excitability of the parallel fibres of the rat cerebellum.
Kocsis J, Malenka R, Waxman S. Effects of extracellular potassium concentration on the excitability of the parallel fibres of the rat cerebellum. The Journal Of Physiology 1983, 334: 225-244. PMID: 6864558, PMCID: PMC1197311, DOI: 10.1113/jphysiol.1983.sp014491.Peer-Reviewed Original Research
1982
Intra-axonal recordings in rat dorsal column axons: membrane hyperpolarization and decreased excitability precede the primary afferent depolarization
Kocsis J, Waxman S. Intra-axonal recordings in rat dorsal column axons: membrane hyperpolarization and decreased excitability precede the primary afferent depolarization. Brain Research 1982, 238: 222-227. PMID: 6282392, DOI: 10.1016/0006-8993(82)90787-9.Peer-Reviewed Original ResearchConceptsPrimary afferent depolarizationIntra-axonal recordingsRat lumbosacral spinal cordDorsal column stimulationDorsal root potentialsLumbosacral spinal cordDorsal column axonsDorsal columnsDorsal rootsAxonal depolarizationRoot potentialsSpinal cordGABA responsesNeuronal elementsIntracellular correlatesProlonged depolarizationMembrane hyperpolarizationHyperpolarizationDepolarizationExcitability
1981
Enhanced parallel fiber frequency-following after reduction of postsynaptic activity
Kocsis J, Malenka R, Waxman S. Enhanced parallel fiber frequency-following after reduction of postsynaptic activity. Brain Research 1981, 207: 321-331. PMID: 6258738, DOI: 10.1016/0006-8993(81)90367-x.Peer-Reviewed Original ResearchMeSH KeywordsAminopyridinesAnimalsCerebellar CortexDendritesElectric StimulationEvoked PotentialsMaleManganeseNerve FibersRatsSynapsesSynaptic TransmissionConceptsCalcium antagonistsSynaptic activityPostsynaptic activityParallel fibersRat cerebellar cortexParallel fiber volleyFiber volleyNeuronal elementsPresynaptic elementsSynaptic potentialsCerebellar cortexLocal superfusionStimulation trainsSlow potentialsEnhancing effectAntagonistExtracellular pathwaysSuperfusionVolleysActivityCortexCerebellum
1980
Effects of 4-aminopyridine on the frequency following properties of the parallel fibers of the cerebellar cortex
Kocsis J, Malenka R, Waxman S. Effects of 4-aminopyridine on the frequency following properties of the parallel fibers of the cerebellar cortex. Brain Research 1980, 195: 511-516. PMID: 6249447, DOI: 10.1016/0006-8993(80)90090-6.Peer-Reviewed Original ResearchMeSH KeywordsAminopyridinesAnimalsCerebellar CortexElectric StimulationEvoked PotentialsMaleNerve FibersNeural ConductionPotassiumRatsSynaptic Transmission
1979
Dependence of refractory period measurements on conduction distance: A computer simulation analysis
Waxman S, Kocsis J, Brill M, Swadlow H. Dependence of refractory period measurements on conduction distance: A computer simulation analysis. Clinical Neurophysiology 1979, 47: 717-724. PMID: 91501, DOI: 10.1016/0013-4694(79)90299-2.Peer-Reviewed Original Research
1978
Characteristics of interhemispheric impulse conduction between prelunate gyri of the rhesus monkey
Swadlow H, Rosene D, Waxman S. Characteristics of interhemispheric impulse conduction between prelunate gyri of the rhesus monkey. Experimental Brain Research 1978, 33: 455-467. PMID: 103739, DOI: 10.1007/bf00235567.Peer-Reviewed Original ResearchConceptsCallosal efferent neuronsPrior impulseAxonal conduction velocityConduction velocityPrelunate gyrusEfferent neuronsCorpus callosumSupernormal periodRhesus monkeysCell of originRelative refractory periodSubnormal periodAntidromic activationAntidromic latenciesElectrical stimulationImpulse conductionRefractory periodElectrophysiological techniquesGyrusCallosumMonkeysExcitabilityNeuronsPeriodSpleniumLatency variability and the identification of antidromically activated neurons in mammalian brain
Swadlow H, Waxman S, Rosene D. Latency variability and the identification of antidromically activated neurons in mammalian brain. Experimental Brain Research 1978, 32: 439-443. PMID: 98342, DOI: 10.1007/bf00238715.Peer-Reviewed Original Research
1974
Ongoing activity in peripheral nerve: Injury discharge
Wall P, Waxman S, Basbaum A. Ongoing activity in peripheral nerve: Injury discharge. Experimental Neurology 1974, 45: 576-589. PMID: 4435078, DOI: 10.1016/0014-4886(74)90163-0.Peer-Reviewed Original Research