2025
Nav1.8, an analgesic target for nonpsychotomimetic phytocannabinoids
Ghovanloo M, Tyagi S, Zhao P, Waxman S. Nav1.8, an analgesic target for nonpsychotomimetic phytocannabinoids. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2416886122. PMID: 39835903, PMCID: PMC11789019, DOI: 10.1073/pnas.2416886122.Peer-Reviewed Original ResearchConceptsExcitation of peripheral sensory neuronsTherapeutic potential of cannabinoidsPotential of cannabinoidsPeripheral sensory neuronsVoltage-gated sodiumSpectrum of adverse effectsNociceptor excitabilityPain signalsIn vivo studiesAnalgesic targetsPain treatmentAttenuate painRepetitive firingNav1.8Sensory neuronsTreatment optionsClinical studiesInhibit excitabilityAnalgesic compoundsPainTherapeutic potentialCannabigerolProof-of-principalAdverse effectsTreatment
2024
Compartment-specific regulation of NaV1.7 in sensory neurons after acute exposure to TNF-α
Tyagi S, Higerd-Rusli G, Ghovanloo M, Dib-Hajj F, Zhao P, Liu S, Kim D, Shim J, Park K, Waxman S, Choi J, Dib-Hajj S. Compartment-specific regulation of NaV1.7 in sensory neurons after acute exposure to TNF-α. Cell Reports 2024, 43: 113685. PMID: 38261513, PMCID: PMC10947185, DOI: 10.1016/j.celrep.2024.113685.Peer-Reviewed Original ResearchTNF-aSensory neuronsEffect of TNF-aSensory neuron excitabilityTumor necrosis factor-aRegulation of NaV1.7Voltage-gated sodiumPro-inflammatory cytokinesCompartment-specific effectsNeuronal plasma membraneSensitize nociceptorsNeuronal excitabilitySomatic membraneChannel N terminusElectrophysiological recordingsP38 MAPKIon channelsFactor AAcute exposureMolecular determinantsNeuronsAxonal endingsPhospho-acceptor sitesPlasma membraneCompartment-specific regulation
2023
Sodium currents in naïve mouse dorsal root ganglion neurons: No major differences between sexes
Ghovanloo M, Tyagi S, Zhao P, Effraim P, Dib-Hajj S, Waxman S. Sodium currents in naïve mouse dorsal root ganglion neurons: No major differences between sexes. Channels 2023, 18: 2289256. PMID: 38055732, PMCID: PMC10761158, DOI: 10.1080/19336950.2023.2289256.Peer-Reviewed Original ResearchConceptsSexual dimorphismRodent dorsal root ganglion neuronsBiophysical propertiesDorsal root ganglion neuronsExpression patternsSex-dependent regulationVoltage-gated sodiumFunctional analysisGanglion neuronsRodent sensory neuronsMouse dorsal root ganglion neuronsNaïve WT miceNumber of cellsMixed populationDimorphismUniform experimental conditionsSex-dependent differencesSensory neuronsNative DRG neuronsPain pathwaysDRG neuronsWT miceClinical studiesNav currentsAdult males
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