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 ResearchMeSH KeywordsAnalgesicsAnimalsCannabidiolCannabinoidsCannabinolGanglia, SpinalHEK293 CellsHumansMiceNAV1.8 Voltage-Gated Sodium ChannelPainConceptsExcitation 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
Functionally-selective inhibition of threshold sodium currents and excitability in dorsal root ganglion neurons by cannabinol
Ghovanloo M, Effraim P, Tyagi S, Zhao P, Dib-Hajj S, Waxman S. Functionally-selective inhibition of threshold sodium currents and excitability in dorsal root ganglion neurons by cannabinol. Communications Biology 2024, 7: 120. PMID: 38263462, PMCID: PMC10805714, DOI: 10.1038/s42003-024-05781-x.Peer-Reviewed Original ResearchConceptsDorsal root ganglionDorsal root ganglion neuronal excitabilityDorsal root ganglion neuronsNeuronal excitabilityCurrent-clamp analysisSteady-state inactivationVoltage-dependent sodiumSlow inactivated stateAutomated patch clamp platformMultielectrode array recordingsNav currentsNeuropathic painSodium currentRoot ganglionGanglion neuronsSlow inactivationInactivated stateCurrent inhibitorsIon channelsNeuronsInhibitory effectCannabinolArray recordingsEndocannabinoidCannabinoid
2023
Sodium currents in naĂŻve 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 naĂŻve 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 neuronsNaĂŻve WT miceNumber of cellsMixed populationDimorphismUniform experimental conditionsSex-dependent differencesSensory neuronsNative DRG neuronsPain pathwaysDRG neuronsWT miceClinical studiesNav currentsAdult malesHigh-throughput combined voltage-clamp/current-clamp analysis of freshly isolated neurons
Ghovanloo M, Tyagi S, Zhao P, Kiziltug E, Estacion M, Dib-Hajj S, Waxman S. High-throughput combined voltage-clamp/current-clamp analysis of freshly isolated neurons. Cell Reports Methods 2023, 3: 100385. PMID: 36814833, PMCID: PMC9939380, DOI: 10.1016/j.crmeth.2022.100385.Peer-Reviewed Original ResearchConceptsDorsal root ganglion neuronsCurrent-clamp recordingsCurrent-clamp analysisVoltage-gated sodium channelsPatch-clamp techniqueExcitable cellsGanglion neuronsElectrophysiological recordingsNeuronal cellsNeuronsGold standard methodologySodium channelsCellular levelRobotic instrumentsCellsDrug screeningSame cellsIntact tissueRecordings
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