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
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