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
2022
Late sodium current: incomplete inactivation triggers seizures, myotonias, arrhythmias, and pain syndromes
Fouda MA, Ghovanloo M, Ruben PC. Late sodium current: incomplete inactivation triggers seizures, myotonias, arrhythmias, and pain syndromes. The Journal Of Physiology 2022, 600: 2835-2851. PMID: 35436004, DOI: 10.1113/jp282768.Peer-Reviewed Original ResearchConceptsLate sodium currentSodium currentSkeletal muscleAction potential durationRepetitive action potentialsVoltage-gated sodium channelsSeizure disorderTrigger seizuresPeripheral nervesPotential durationSodium channelopathiesAction potentialsSodium channelsChannel inactivationPainDysfunctionMyotoniaMuscleHeartGating propertiesNerveSeizuresArrhythmiasChannelopathiesDiseaseInhibition 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
2018
Inhibitory effects of cannabidiol on voltage-dependent sodium currents
Ghovanloo MR, Shuart NG, Mezeyova J, Dean RA, Ruben PC, Goodchild SJ. Inhibitory effects of cannabidiol on voltage-dependent sodium currents. Journal Of Biological Chemistry 2018, 293: 16546-16558. PMID: 30219789, PMCID: PMC6204917, DOI: 10.1074/jbc.ra118.004929.Peer-Reviewed Original ResearchConceptsAnticonvulsant effectsVoltage-dependent sodium currentsPotassium channelsSafety of cannabidiolNav channelsCentral nervous system targetsEffects of cannabidiolNervous system targetsVoltage-dependent currentsVoltage-gated potassium channelsVoltage-clamp electrophysiologyAntiepileptic effectClinical efficacyCase reportAlters membrane fluidityIPSC-neuronsTherapeutic mechanismSodium currentHEK-293 cellsReceptor pathwayΔ9-tetrahydrocannabinolInhibitory effectCannabidiolChannel excitabilitySodium channels