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
Novel splice variants of the voltage-sensitive sodium channel alpha subunit
Oh Y, Waxman S. Novel splice variants of the voltage-sensitive sodium channel alpha subunit. Neuroreport 1998, 9: 1267-1272. PMID: 9631410, DOI: 10.1097/00001756-199805110-00002.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAmino Acid SequenceAnimalsAnimals, NewbornAstrocytesAstrocytomaBrainBucladesineCalcimycinCells, CulturedGenetic VariationMacromolecular SubstancesModels, MolecularMolecular Sequence DataPolymerase Chain ReactionProtein ConformationRatsRats, Sprague-DawleySodium ChannelsSpinal CordUp-RegulationConceptsChannel alpha subunitNeuroblastoma cellsSpinal cord astrocytesB104 neuroblastoma cellsCultured rat astrocytesChannel mRNA expressionNovel splice variantSplice variantsSodium channel alpha subunitAlpha-subunit mRNASpinal cordCerebral astrocytesUnique regulatory pathwaysAlpha subunitRat astrocytesAstrocytesMRNA expressionSubunit mRNAsMicroM A23187Dibutyryl cAMPPremature truncationCellsExpressionRegulatory pathwaysCordSNS Na+ channel expression increases in dorsal root ganglion neurons in the carrageenan inflammatory pain model
Tanaka M, Cummins T, Ishikawa K, Dib-Hajj S, Black J, Waxman S. SNS Na+ channel expression increases in dorsal root ganglion neurons in the carrageenan inflammatory pain model. Neuroreport 1998, 9: 967-972. PMID: 9601651, DOI: 10.1097/00001756-199804200-00003.Peer-Reviewed Original ResearchConceptsSmall DRG neuronsDorsal root ganglion neuronsInjection of carrageenanDRG neuronsInflamed limbGanglion neuronsSodium currentTTX-R sodium currentsTetrodotoxin-resistant sodium currentInflammatory pain modelDevelopment of hyperexcitabilitySodium channel expressionPatch-clamp recordingsInflammatory painPain modelChronic painCarrageenan injectionNociceptive cellsContralateral sideNaive ratsChannel expressionProjection fieldsMRNA expressionNeuronsSodium channels
1997
NGF 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
1995
Na+ channel β1 subunit mRNA: differential expression in rat spinal sensory neurons
Oh Y, Sashihara S, Black J, Waxman S. Na+ channel β1 subunit mRNA: differential expression in rat spinal sensory neurons. Brain Research 1995, 30: 357-361. PMID: 7637585, DOI: 10.1016/0169-328x(95)00052-t.Peer-Reviewed Original ResearchConceptsDRG neuronsNervous systemChannel beta 1 subunit (Na beta 1) mRNARat dorsal root ganglion neuronsCell bodiesDorsal root ganglion neuronsSubunit mRNAsBeta 1 mRNA expressionRat central nervous systemSmall DRG neuronsLarge DRG neuronsSpinal sensory neuronsPeripheral nervous systemPostnatal day 4Central nervous systemBeta 1 mRNABeta 1 subunit mRNASitu hybridization histochemistryAdult DRGGanglion neuronsSensory neuronsDay 4Hybridization histochemistryMRNA expressionNeuronsDifferential Na+ channel β1 subunit mRNA expression in stellate and flat astrocytes cultured from rat cortex and cerebellum: A combined in situ hybridization and immunocytochemistry study
Oh Y, Waxman S. Differential Na+ channel β1 subunit mRNA expression in stellate and flat astrocytes cultured from rat cortex and cerebellum: A combined in situ hybridization and immunocytochemistry study. Glia 1995, 13: 166-173. PMID: 7782102, DOI: 10.1002/glia.440130303.Peer-Reviewed Original ResearchConceptsGFAP-positive astrocytesRat brainChannel beta 1 subunit (Na beta 1) mRNAMRNA expressionBeta 1 mRNA expressionSubunit mRNA expressionBeta 1 mRNABeta 1 subunit mRNARat cortexGranule cellsStellate astrocytesRat astrocytesAstrocytesChannel mRNAImmunocytochemistry methodSubunit mRNAsImmunocytochemistry studiesCerebellumBrainMRNASitu hybridizationRecent studiesDifferential expressionExpressionCells
1994
In situ hybridization localization of the Na+ channel β1 subunit mRNA in rat CNS neurons
Oh Y, Sashihara S, Waxman S. In situ hybridization localization of the Na+ channel β1 subunit mRNA in rat CNS neurons. Neuroscience Letters 1994, 176: 119-122. PMID: 7970226, DOI: 10.1016/0304-3940(94)90885-0.Peer-Reviewed Original ResearchConceptsBeta 1 mRNASpinal cordGranule cellsChannel beta 1 subunit (Na beta 1) mRNABeta 1 mRNA expressionDentate granule cellsAdult rat hippocampusCA1 pyramidal cellsRat CNS neuronsBeta 1 subunit mRNASitu hybridization histochemistryCNS neuronsPyramidal cellsRat hippocampusSitu hybridization localizationChannel β1Gray matterHybridization histochemistryPurkinje cellsMRNA expressionSubunit mRNAsModerate expressionDifferent neuronsStrong expressionNeurons