2025
Sculpting excitable membranes: voltage-gated ion channel delivery and distribution
Tyagi S, Higerd-Rusli G, Akin E, Waxman S, Dib-Hajj S. Sculpting excitable membranes: voltage-gated ion channel delivery and distribution. Nature Reviews Neuroscience 2025, 26: 313-332. PMID: 40175736, DOI: 10.1038/s41583-025-00917-2.Peer-Reviewed Original ResearchConceptsNeuronal compartmentsPeripheral nervous system neuronsIon channel localizationNervous system neuronsMembrane ion channelsIon channel traffickingChronic painNeuronal excitabilityPotential therapeutic targetChannel traffickingIon channel distributionSystem neuronsChannel localizationNeuronal activityTherapeutic targetIon channelsTarget membrane insertionPost-translational modificationsDistal neuronal compartmentsDisease statesNeuronal homeostasisVesicular sortingDiseaseSpatiotemporal regulationChannel delivery
2024
Real-time imaging of axonal membrane protein life cycles
Tyagi S, Higerd-Rusli G, Akin E, Baker C, Liu S, Dib-Hajj F, Waxman S, Dib-Hajj S. Real-time imaging of axonal membrane protein life cycles. Nature Protocols 2024, 19: 2771-2802. PMID: 38831222, PMCID: PMC11721981, DOI: 10.1038/s41596-024-00997-x.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMembrane proteinsRecycling of membrane proteinsProtein subcellular localizationMembrane protein homeostasisMembrane protein traffickingEngineered membrane proteinsMultiple membrane proteinsSelf-labeling tagsCell culturesProtein traffickingProtein tagsSubcellular localizationProtein homeostasisSpatiotemporal regulationCellular processesMultiple proteinsSubcellular distributionVesicular packagingThroughput mannerProteinNeuronal compartmentsDistal axonsProtein spatial organizationFluorescent labelingNeuronal cultures
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 ResearchConceptsMembrane 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
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