2023
Inflammation differentially controls transport of depolarizing Nav versus hyperpolarizing Kv channels to drive rat nociceptor activity
Higerd-Rusli G, Tyagi S, Baker C, Liu S, Dib-Hajj F, Dib-Hajj S, Waxman S. Inflammation differentially controls transport of depolarizing Nav versus hyperpolarizing Kv channels to drive rat nociceptor activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2215417120. PMID: 36897973, PMCID: PMC10089179, DOI: 10.1073/pnas.2215417120.Peer-Reviewed Original ResearchConceptsCell biological mechanismsAxonal surfaceLive-cell imagingIon channel traffickingAnterograde transport vesiclesTransport vesiclesInflammatory mediatorsChannel traffickingPlasma membraneVesicular loadingIon channelsKv channelsPotential therapeutic targetPotassium channel KSodium channel NaTraffickingBiological mechanismsTherapeutic targetAbundanceRetrograde transportDistal axonsChannel NaInflammatory painNociceptor activityAxonal transport
2019
Building sensory axons: Delivery and distribution of NaV1.7 channels and effects of inflammatory mediators
Akin EJ, Higerd-Rusli GP, Mis MA, Tanaka BS, Adi T, Liu S, Dib-Hajj FB, Waxman SG, Dib-Hajj SD. Building sensory axons: Delivery and distribution of NaV1.7 channels and effects of inflammatory mediators. Science Advances 2019, 5: eaax4755. PMID: 31681845, PMCID: PMC6810356, DOI: 10.1126/sciadv.aax4755.Peer-Reviewed Original ResearchConceptsMicrotubule-dependent vesicular transportSingle-molecule resolutionVesicular traffickingVesicular transportSurface deliveryPlasma membraneMembrane distributionFunctional studiesAxon terminiSodium channel NaLive visualizationSensory axonsVesiclesTraffickingNew insightsChannel NaContribution of NaDisease statesRab6ANav1.7 channelsDorsal root ganglion neuronsTerminusThreefold increaseGanglion neuronsMembrane
2008
Sodium channel activity modulates multiple functions in microglia
Black JA, Liu S, Waxman SG. Sodium channel activity modulates multiple functions in microglia. Glia 2008, 57: 1072-1081. PMID: 19115387, DOI: 10.1002/glia.20830.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsAnimals, NewbornBrainCell MovementCell ProliferationCells, CulturedCoculture TechniquesCytokinesGliosisInflammation MediatorsMicrogliaNAV1.1 Voltage-Gated Sodium ChannelNAV1.5 Voltage-Gated Sodium ChannelNAV1.6 Voltage-Gated Sodium ChannelNerve Tissue ProteinsPhagocytosisPhenytoinRatsRats, Sprague-DawleySodium Channel BlockersSodium ChannelsTetrodotoxinConceptsIL-1 betaIL-1 alphaSodium channelsTNF-alphaPhagocytic activitySodium channel blockadeSodium channel Nav1.1Central nervous systemVoltage-gated sodium channelsSodium channel activitySodium channel isoformsActivated microgliaIL-10IL-6MCP-1Microglial migrationChannel Nav1.1Cultured microgliaIL-2IL-4MicroM TTXChannel blockadeMed miceMicrogliaTissue insult