1999
In Vivo NGF Deprivation Reduces SNS Expression and TTX-R Sodium Currents in IB4-Negative DRG Neurons
Fjell J, Cummins T, Fried K, Black J, Waxman S. In Vivo NGF Deprivation Reduces SNS Expression and TTX-R Sodium Currents in IB4-Negative DRG Neurons. Journal Of Neurophysiology 1999, 81: 803-810. PMID: 10036280, DOI: 10.1152/jn.1999.81.2.803.Peer-Reviewed Original ResearchConceptsTTX-R sodium currentsNerve growth factorPA/pFDRG neuronsHigh antibody titersSodium current densityNGF-deprived neuronsSodium currentAntibody titersAdult ratsSmall dorsal root ganglion neuronsTetrodotoxin-resistant sodium channelsDorsal root ganglion neuronsTTX-R currentsSodium channel expressionMRNA hybridization signalsPathological painThermal hypoalgesiaGanglion neuronsControl neuronsIsolectin IB4Channel expressionNGF deprivationMRNA expressionNeurons
1998
Axon Conduction and Survival in CNS White Matter During Energy Deprivation: A Developmental Study
Fern R, Davis P, Waxman S, Ransom B. Axon Conduction and Survival in CNS White Matter During Energy Deprivation: A Developmental Study. Journal Of Neurophysiology 1998, 79: 95-105. PMID: 9425180, DOI: 10.1152/jn.1998.79.1.95.Peer-Reviewed Original ResearchConceptsAnoxia/aglycemiaCompound action potentialWithdrawal of oxygenOptic nerveCNS white matterWhite matterIsolated rat optic nerveEvoked compound action potentialAdult optic nerveOptic nerve functionRat optic nervePostnatal day 10Permanent lossMin of glucoseEnergy deprivationWithdrawal of glucoseGlucose withdrawalNerve functionAstrocytic glycogenAxon conductionHeightened metabolic activityAdult ratsAglycemiaIrreversible injuryNerve
1994
Rat brain Na+ channel mRNAs in non‐excitable Schwann cells
Oh Y, Black J, Waxman S. Rat brain Na+ channel mRNAs in non‐excitable Schwann cells. FEBS Letters 1994, 350: 342-346. PMID: 8070590, DOI: 10.1016/0014-5793(94)00807-8.Peer-Reviewed Original Research
1993
Protection of the axonal cytoskeleton in anoxic optic nerve by decreased extracellular calcium
Waxman S, Black J, Ransom B, Stys P. Protection of the axonal cytoskeleton in anoxic optic nerve by decreased extracellular calcium. Brain Research 1993, 614: 137-145. PMID: 8348309, DOI: 10.1016/0006-8993(93)91027-p.Peer-Reviewed Original ResearchConceptsArtificial cerebrospinal fluidMin of anoxiaOptic nerveZero-Ca2White matterAnoxic injuryCNS white matter tractAxonal cytoskeletonOptic nerve axonsCNS white matterRat optic nerveInflux of Ca2White matter tractsLoss of cristaeDisorganization of cristaeMembranous profilesUltrastructure of axonsAbnormal influxCerebrospinal fluidExtracellular calciumNerveMyelinated axonsNerve axonsNormal Ca2Axons
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
Na+‐Ca2+ exchanger mediates Ca2+ influx during anoxia in mammalian central nervous system white matter
Stys P, Waxman S, Ransom B. Na+‐Ca2+ exchanger mediates Ca2+ influx during anoxia in mammalian central nervous system white matter. Annals Of Neurology 1991, 30: 375-380. PMID: 1952825, DOI: 10.1002/ana.410300309.Peer-Reviewed Original ResearchMeSH KeywordsAmilorideAnimalsBrainCalciumCarrier ProteinsIn Vitro TechniquesOptic NerveOxygenRatsSodium-Calcium ExchangerTetrodotoxinConceptsWhite matterIsolated rat optic nerveCentral nervous system white matterNervous system white matterWhite matter injuryRat optic nerveMammalian central nervous systemSevere neurological impairmentCompound action potentialType of injuryCentral nervous systemFunctional recoveryOptic nervePharmacological blockadeNeurological impairmentAnoxic injuryIrreversible injuryNervous systemAction potentialsInjuryInfluxCa2Critical mechanismCellsNerve
1990
Depolarization-dependent actions of dihydropyridines on synaptic transmission in the in vitro rat hippocampus
O'Regan M, Kocsis J, Waxman S. Depolarization-dependent actions of dihydropyridines on synaptic transmission in the in vitro rat hippocampus. Brain Research 1990, 527: 181-191. PMID: 1701335, DOI: 10.1016/0006-8993(90)91136-5.Peer-Reviewed Original ResearchMeSH Keywords3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAnimalsCaffeineDihydropyridinesEvoked PotentialsFemaleHippocampusIn Vitro TechniquesLightMembrane PotentialsNeuronsNifedipineNimodipinePerfusionPotassiumPyramidal TractsRatsRats, Inbred StrainsSynapsesSynaptic TransmissionConceptsBay K 8644Synaptic transmissionDepressant actionIntracellular recordingsModerate membrane depolarizationMembrane depolarizationHippocampal brain slicesNormal Krebs solutionField potential responsesDepolarization-dependent increaseField potential analysisCA1 neuronsPresynaptic locusHippocampal slicesKrebs solutionPostsynaptic componentsPostsynaptic responsesPyramidal cellsNeuronal excitabilityRat hippocampusBrain slicesDirect depolarizationSpike thresholdDHP effectField potentialsAnoxic injury of mammalian central white matter: Decreased susceptibility in myelin‐deficient optic nerve
Waxman S, Davis P, Black J, Ransom B. Anoxic injury of mammalian central white matter: Decreased susceptibility in myelin‐deficient optic nerve. Annals Of Neurology 1990, 28: 335-340. PMID: 2241117, DOI: 10.1002/ana.410280306.Peer-Reviewed Original ResearchConceptsCompound action potentialOptic nerveCentral white matterMinutes of anoxiaAction potentialsMD ratsWhite matterMammalian central white matterSupramaximal compound action potentialCompound action potential amplitudeAction potential amplitudeNeonatal optic nerveRat optic nerveControl optic nervesDistinct action potentialsWhite matter tractsUnaffected male littermatesAnoxic injuryMale littermatesDays postnatalNervePotential amplitudeOligodendroglial proliferationEffects of anoxiaAdult patternEffects of polyvalent cations and dihydropyridine calcium channel blockers on recovery of CNS white matter from anoxia
Stys P, Ransom B, Waxman S. Effects of polyvalent cations and dihydropyridine calcium channel blockers on recovery of CNS white matter from anoxia. Neuroscience Letters 1990, 115: 293-299. PMID: 2234507, DOI: 10.1016/0304-3940(90)90471-k.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCalciumCalcium Channel BlockersHypoxia, BrainIn Vitro TechniquesNifedipineNimodipineOptic NerveRatsConceptsAnoxic injuryChannel blockersWhite matterMammalian central white matterDihydropyridine calcium channel blockerChannel blockers Mn2Irreversible anoxic injuryCalcium channel blockersCNS white matterCompound action potentialCentral white matterDihydropyridine classOrganic Ca2Inorganic Ca2Extracellular Ca2Action potentialsNerve modelMin periodBlockersInjuryFunctional integrityConventional Ca2Ca2InfluxIntracellular compartments
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
1986
Mammalian optic nerve fibers display two pharmacologically distinct potassium channels
Kocsis J, Gordon T, Waxman S. Mammalian optic nerve fibers display two pharmacologically distinct potassium channels. Brain Research 1986, 383: 357-361. PMID: 2429732, DOI: 10.1016/0006-8993(86)90040-5.Peer-Reviewed Original ResearchConceptsOptic nerve fibersNerve fibersDistinct potassium channelsPotassium channelsRat optic nerve fibersNerve action potentialsAction potential characteristicsAction potential repolarizationTEA-sensitive channelsIntracellular hyperpolarizationAction potentialsPotential repolarizationSuction electrodeTetraethylammoniumPotential characteristicsRepolarizationPositivity