2009
Role of hippocampal sodium channel Nav1.6 in kindling epileptogenesis
Blumenfeld H, Lampert A, Klein JP, Mission J, Chen MC, Rivera M, Dib‐Hajj S, Brennan AR, Hains BC, Waxman SG. Role of hippocampal sodium channel Nav1.6 in kindling epileptogenesis. Epilepsia 2009, 50: 44-55. PMID: 18637833, PMCID: PMC3741044, DOI: 10.1111/j.1528-1167.2008.01710.x.Peer-Reviewed Original ResearchConceptsHippocampal CA3 neuronsActivity-dependent facilitationCA3 neuronsCommon nervous system disordersSodium channel protein expressionSodium currentCentral nervous system plasticityChannel messenger RNAExpression of Nav1.6Sham-kindled controlsSodium channel Nav1.6Development of kindlingNervous system plasticityNervous system disordersWild-type miceRate of kindlingChannel protein expressionMessenger RNAPatch-clamp recordingsActivity-dependent plasticityPersistent sodium currentIon channel expressionNormal hippocampal functionAction potential generationAbnormal plasticity
2006
Differential modulation of sodium channel Nav1.6 by two members of the fibroblast growth factor homologous factor 2 subfamily
Rush AM, Wittmack EK, Tyrrell L, Black JA, Dib‐Hajj S, Waxman SG. Differential modulation of sodium channel Nav1.6 by two members of the fibroblast growth factor homologous factor 2 subfamily. European Journal Of Neuroscience 2006, 23: 2551-2562. PMID: 16817858, DOI: 10.1111/j.1460-9568.2006.04789.x.Peer-Reviewed Original ResearchMeSH KeywordsCerebellumElectrophoresis, Polyacrylamide GelFibroblast Growth FactorsGanglia, SpinalHippocampusHumansImmunoblottingImmunohistochemistryImmunoprecipitationNAV1.6 Voltage-Gated Sodium ChannelNerve Tissue ProteinsNeuronsPatch-Clamp TechniquesProtein IsoformsRanvier's NodesSciatic NerveSodium ChannelsTransfectionConceptsFibroblast growth factor homologous factor 2Dorsal root ganglion neuronsSodium channelsDifferential modulationTrains of stimulationND7/23 cell lineRapid firing ratesFactor 2Slowing of recoveryNodes of RanvierDRG neuronsGanglion neuronsSciatic nerveSpecific neuronal compartmentsAdult rat tissuesMotor nodesElectrophysiological propertiesCerebellar neuronsDifferent functional effectsNeuronal compartmentsFiring rateInactivated channelsElectrophysiological methodsRat tissuesNeurons
2003
Patterned electrical activity modulates sodium channel expression in sensory neurons
Klein JP, Tendi EA, Dib‐Hajj S, Fields RD, Waxman SG. Patterned electrical activity modulates sodium channel expression in sensory neurons. Journal Of Neuroscience Research 2003, 74: 192-198. PMID: 14515348, DOI: 10.1002/jnr.10768.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCells, CulturedDown-RegulationElectric StimulationFetusGanglia, SpinalImmunohistochemistryMiceNAV1.8 Voltage-Gated Sodium ChannelNAV1.9 Voltage-Gated Sodium ChannelNerve Growth FactorNerve Tissue ProteinsNeurons, AfferentNeuropeptidesPeripheral NervesPeripheral Nervous System DiseasesRNA, MessengerSodium ChannelsConceptsExpression of Nav1.3Sodium channel expressionNerve growth factorSensory neuronsChannel expressionDorsal root ganglion neuronsEctopic neuronal dischargesPatterned electrical activitySodium channel Nav1.3Development of hyperexcitabilityPeripheral nerve injuryMouse sensory neuronsNeuronal activity levelsSubtype-specific mannerQuantitative polymerase chain reactionNav1.9 mRNANeuropathic painNerve injuryGanglion neuronsNeurotrophic factorPolymerase chain reactionNeuronal dischargeNeuronal activityElectrical stimulationNav1.8
2001
Direct Interaction with Contactin Targets Voltage-gated Sodium Channel Nav1.9/NaN to the Cell Membrane*
Liu C, Dib-Hajj S, Black J, Greenwood J, Lian Z, Waxman S. Direct Interaction with Contactin Targets Voltage-gated Sodium Channel Nav1.9/NaN to the Cell Membrane*. Journal Of Biological Chemistry 2001, 276: 46553-46561. PMID: 11581273, DOI: 10.1074/jbc.m108699200.Peer-Reviewed Original ResearchConceptsDorsal root gangliaRoot gangliaSodium channelsSmall sensory neuronsVoltage-gated sodium channelsTrigeminal ganglionNerve endingsC-fibersSensory neuronsNeuron somataChinese hamster ovary cell lineDifferent physiological propertiesGangliaHamster ovary cell lineNeuronal membranesChinese hamster ovary cellsOvary cell lineProtein complexesSurface expressionHamster ovary cellsCell linesAxonsSurface localizationCell membraneOvary cells
2000
Sensory neuron-specific sodium channel SNS is abnormally expressed in the brains of mice with experimental allergic encephalomyelitis and humans with multiple sclerosis
Black J, Dib-Hajj S, Baker D, Newcombe J, Cuzner M, Waxman S. Sensory neuron-specific sodium channel SNS is abnormally expressed in the brains of mice with experimental allergic encephalomyelitis and humans with multiple sclerosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 11598-11602. PMID: 11027357, PMCID: PMC17246, DOI: 10.1073/pnas.97.21.11598.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainEncephalomyelitis, Autoimmune, ExperimentalHumansImmunohistochemistryMiceMultiple SclerosisNeurons, AfferentSodium ChannelsConceptsExperimental allergic encephalomyelitisMultiple sclerosisAllergic encephalomyelitisClinical abnormalitiesChannel expressionPurkinje cellsTrigeminal ganglion neuronsBrains of micePeripheral nervous systemSodium channel expressionIon channel expressionCerebellar Purkinje cellsAbnormal repertoiresAxonal degenerationControl miceGanglion neuronsControl subjectsMouse modelNormal brainAnimal modelsNervous systemNeurological diseasesSodium channelsProtein expressionAbnormal patternsLocalization of the tetrodotoxin-resistant sodium channel NaN in nociceptors
Fjell J, Hjelmström P, Hormuzdiar W, Milenkovic M, Aglieco F, Tyrrell L, Dib-Hajj S, Waxman S, Black J. Localization of the tetrodotoxin-resistant sodium channel NaN in nociceptors. Neuroreport 2000, 11: 199-202. PMID: 10683857, DOI: 10.1097/00001756-200001170-00039.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAxonsCorneaFemaleGanglia, SpinalImage Processing, Computer-AssistedImmunohistochemistryMolecular Sequence DataMyelin SheathNAV1.9 Voltage-Gated Sodium ChannelNerve FibersNeurons, AfferentNeuropeptidesNociceptorsPresynaptic TerminalsRanvier's NodesRatsRats, Sprague-DawleySciatic NerveSodium ChannelsTetrodotoxinConceptsSciatic nerveSmall diameter primary sensory neuronsSodium currentTetrodotoxin-resistant sodium channelsTetrodotoxin-resistant sodium currentDorsal root ganglion neuronsSodium channelsPrimary sensory neuronsAxonal sodium currentsNodes of RanvierNociceptive transmissionChannel immunoreactivityGanglion neuronsUnmyelinated fibersAxon terminalsSensory neuronsNerveImmunoreactivityAxonsNeuronsSpecific peptidesNociceptorsIB4CorneaAntibodies
1997
Schwann cells modulate sodium channel expression in spinal sensory neurons in vitro
Hinson AW, Gu XQ, Dib‐Hajj S, Black JA, Waxman SG. Schwann cells modulate sodium channel expression in spinal sensory neurons in vitro. Glia 1997, 21: 339-349. PMID: 9419009, DOI: 10.1002/(sici)1098-1136(199712)21:4<339::aid-glia1>3.0.co;2-z.Peer-Reviewed Original ResearchConceptsDRG neuronsSC-conditioned mediumSodium channel alphaE15 ratsSodium channelsChannel alphaSodium channel immunoreactivitySpinal sensory neuronsBeta2 subunit mRNASodium channel mRNASodium channel expressionFunctional sodium channelsSodium current densityBeta-subunit mRNAChannel immunoreactivityBeta2 mRNASensory neuronsClamp recordingsChannel expressionChannel mRNAIsoform-specific riboprobesNeuronsBeta1RatsHybridization signalsNGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons
Black J, Langworthy K, Hinson A, Dib-Hajj S, Waxman S. NGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons. Neuroreport 1997, 8: 2331-2335. PMID: 9243635, DOI: 10.1097/00001756-199707070-00046.Peer-Reviewed Original ResearchConceptsNeurotrophin nerve growth factorSmall DRG neuronsExogenous NGFDRG neuronsDifferent sodium channel genesSmall dorsal root ganglion neuronsDorsal root ganglion neuronsSciatic nerve transectionMRNA levelsSpinal sensory neuronsNerve growth factorNerve transectionDRG culturesGanglion neuronsAlpha-IIIAdult ratsSensory neuronsPeripheral targetsSodium channel transcriptsMRNA expressionMembrane excitabilityNeuronsGrowth factorRetrograde transportChannel transcripts