2004
Changes in the expression of tetrodotoxin‐sensitive sodium channels within dorsal root ganglia neurons in inflammatory pain
Black JA, Liu S, Tanaka M, Cummins TR, Waxman SG. Changes in the expression of tetrodotoxin‐sensitive sodium channels within dorsal root ganglia neurons in inflammatory pain. Pain 2004, 108: 237-247. PMID: 15030943, DOI: 10.1016/j.pain.2003.12.035.Peer-Reviewed Original ResearchMeSH KeywordsAnesthetics, LocalAnimalsBlotting, WesternCarrageenanCells, CulturedDisease Models, AnimalFunctional LateralityGanglia, SpinalGene Expression RegulationImmunohistochemistryIn Situ HybridizationInflammationMaleMembrane PotentialsNeuronsPainPatch-Clamp TechniquesRatsRats, Sprague-DawleyRNA, MessengerSodium ChannelsTetrodotoxinConceptsTTX-R currentsDorsal root gangliaDRG neuronsInflammatory painSodium channelsCarrageenan injectionProstaglandin E2TTX-R sodium channelsTetrodotoxin-sensitive sodium channelsDorsal root ganglion neuronsMultiple voltage-gated sodium channelsWhole-cell patch-clamp methodTTX-S sodium channelsTTX-R channelsTTX-S currentsSmall DRG neuronsInjection of carrageenanTTX-S channelsChronic inflammation resultsTetrodotoxin-resistant channelsVoltage-gated sodium channelsPatch-clamp methodUpregulation of mRNAAffected pawAcute administration
2001
Contribution of Nav1.8 Sodium Channels to Action Potential Electrogenesis in DRG Neurons
Renganathan M, Cummins T, Waxman S. Contribution of Nav1.8 Sodium Channels to Action Potential Electrogenesis in DRG Neurons. Journal Of Neurophysiology 2001, 86: 629-640. PMID: 11495938, DOI: 10.1152/jn.2001.86.2.629.Peer-Reviewed Original ResearchConceptsAction potential electrogenesisDRG neuronsSodium channelsAction potentialsTTX-R sodium channelsSodium-dependent action potentialsDorsal root ganglion neuronsMultiple sodium channelsSmall DRG neuronsCurrent-clamp recordingsNav1.8 sodium channelsSignificant differencesSteady-state inactivationAction potential overshootMaximum rise slopeMV/msAction potential productionFast TTXGanglion neuronsModest depolarizationNeuronsInput resistanceMembrane depolarizationInward membraneElectrogenesis
1999
Plasticity of sodium channel expression in DRG neurons in the chronic constriction injury model of neuropathic pain
DibHajj S, Fjell J, Cummins TR, Zheng Z, Fried K, LaMotte R, Black JA, Waxman S. Plasticity of sodium channel expression in DRG neurons in the chronic constriction injury model of neuropathic pain. Pain 1999, 83: 591-600. PMID: 10568868, DOI: 10.1016/s0304-3959(99)00169-4.Peer-Reviewed Original ResearchConceptsTTX-R sodium channelsChronic constriction injury modelDRG neuronsSodium currentSodium channelsNeuropathic painInjury modelAxotomized dorsal root ganglion (DRG) neuronsSmall-diameter DRG neuronsTTX-R sodium currentsDorsal root ganglion neuronsTTX-S currentsSodium channel expressionGanglion neuronsSciatic nerveChannel expressionSodium channel transcriptsNeuronsNa currentPainChannel transcriptsSignificant changesLevels of transcriptsHyperalgesiaPrevious studiesCoding Sequence, Genomic Organization, and Conserved Chromosomal Localization of the Mouse Gene Scn11a Encoding the Sodium Channel NaN
Dib-Hajj S, Tyrrell L, Escayg A, Wood P, Meisler M, Waxman S. Coding Sequence, Genomic Organization, and Conserved Chromosomal Localization of the Mouse Gene Scn11a Encoding the Sodium Channel NaN. Genomics 1999, 59: 309-318. PMID: 10444332, DOI: 10.1006/geno.1999.5890.Peer-Reviewed Original ResearchConceptsSodium channel geneChannel genesConserved linkage groupMouse chromosome 9Sodium channel alphaAlternative exon 5Amino acid levelsGenomic organizationChromosomal localizationLinkage groupsHuman genesHuman SCN5ACoding sequenceCommon lineageChannel alphaChromosome 9TTX-R sodium channelsGenesSmall-diameter sensory neuronsTransduction of painDorsal root gangliaHigh-threshold nociceptorsExon 5SCN11A geneSodium channels
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