2022
The fates of internalized NaV1.7 channels in sensory neurons: Retrograde cotransport with other ion channels, axon-specific recycling, and degradation
Higerd-Rusli G, Tyagi S, Liu S, Dib-Hajj F, Waxman S, Dib-Hajj S. The fates of internalized NaV1.7 channels in sensory neurons: Retrograde cotransport with other ion channels, axon-specific recycling, and degradation. Journal Of Biological Chemistry 2022, 299: 102816. PMID: 36539035, PMCID: PMC9843449, DOI: 10.1016/j.jbc.2022.102816.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAxonsHumansIon ChannelsMembrane ProteinsNAV1.7 Voltage-Gated Sodium ChannelSensory Receptor CellsConceptsMembrane proteinsIon channelsNeuronal functionDistinct neuronal compartmentsAxonal membrane proteinsRetrograde traffickingNeuronal polarityRecycling pathwayLate endosomesPlasma membraneSpecific proteinsAxonal traffickingNovel mechanismCell membraneSodium channel NaNeuronal compartmentsMultiple pathwaysLive neuronsVoltage-gated sodium channel NaProteinEndocytosisMembrane specializationsTraffickingMembraneChannel Na
2021
Paclitaxel increases axonal localization and vesicular trafficking of Nav1.7
Akin EJ, Alsaloum M, Higerd GP, Liu S, Zhao P, Dib-Hajj FB, Waxman SG, Dib-Hajj SD. Paclitaxel increases axonal localization and vesicular trafficking of Nav1.7. Brain 2021, 144: 1727-1737. PMID: 33734317, PMCID: PMC8320304, DOI: 10.1093/brain/awab113.Peer-Reviewed Original ResearchConceptsDorsal root ganglion neuronsChemotherapy-induced peripheral neuropathyGanglion neuronsSensory axonsNav1.7 channelsPTX treatmentSensory neuronsHuman sensory neuronsEffect of paclitaxelSodium channel Nav1.7Chemotherapy drug paclitaxelAxonal vesicular transportConcentrations of paclitaxelNav1.7 mRNAInflammatory mediatorsNav1.7 expressionPeripheral neuropathyInflammatory milieuPrimary afferentsInflammatory conditionsChannel expressionChannel Nav1.7Nav1.7Increased expressionAxonal localization
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