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
2022
Inhibition of sodium conductance by cannabigerol contributes to a reduction of dorsal root ganglion neuron excitability
Ghovanloo M, Estacion M, Higerd‐Rusli G, Zhao P, Dib‐Hajj S, Waxman SG. Inhibition of sodium conductance by cannabigerol contributes to a reduction of dorsal root ganglion neuron excitability. British Journal Of Pharmacology 2022, 179: 4010-4030. PMID: 35297036, DOI: 10.1111/bph.15833.Peer-Reviewed Original ResearchConceptsEffect of cannabigerolDRG neuronsDorsal root ganglion neuron excitabilityVoltage-gated sodium currentDorsal root ganglion neuronsLower CBG concentrationPrimary dorsal root ganglion neuronsAnalgesic drug developmentNon-psychotropic phytocannabinoidMultielectrode array recordingsAction potential modellingInhibition of NaDRG excitabilityGanglion neuronsNeuron excitabilityAnalgesic propertiesCNS neuronsNeuronal hypoexcitabilityCBG concentrationsChannel inhibitorsSodium currentNeuronsFunctional selectivityDrug developmentUnderlying mechanism
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