2024
Impacts of resident physician unionization on house staff compensation
Tyagi S, Shah R, Huttler J, Kayani J, Ghovanloo M, Effraim P. Impacts of resident physician unionization on house staff compensation. PLOS ONE 2024, 19: e0308100. PMID: 39361626, PMCID: PMC11449312, DOI: 10.1371/journal.pone.0308100.Peer-Reviewed Original ResearchConceptsNon-union counterpartsPhysician unionsWorking long hoursUnion statusResidency training programsUnion programCost-of-livingLow wagesStaff compensationLong hoursTraining programSalaryInternal medicine residency training programsPhysicians-in-trainingRegional factorsDisbursementBenefit dataCross-sectional investigationMonetary benefitsUnionResident salariesCompensationCost-of-living differencesPGY-1Residency programs
2023
Nav1.7 P610T mutation in two siblings with persistent ocular pain after corneal axon transection: impaired slow inactivation and hyperexcitable trigeminal neurons
Ghovanloo M, Effraim P, Yuan J, Schulman B, Jacobs D, Dib-Hajj S, Waxman S. Nav1.7 P610T mutation in two siblings with persistent ocular pain after corneal axon transection: impaired slow inactivation and hyperexcitable trigeminal neurons. Journal Of Neurophysiology 2023, 129: 609-618. PMID: 36722722, PMCID: PMC9988530, DOI: 10.1152/jn.00457.2022.Peer-Reviewed Original ResearchConceptsPersistent ocular painTrigeminal ganglion neuronsOcular painCorneal refractive surgeryGanglion neuronsRefractive surgeryAxonal injurySlow inactivationHuman pain modelTrigeminal afferent nervesTrigeminal ganglion axonsSmall subgroupPain-related disordersEffects of injurySodium channel Nav1.7Channel slow inactivationEye painPostoperative painMost patientsPain modelAfferent nervesPersistent painTrigeminal neuronsNav1.7 mutationAxon transection
2022
Cannabidiol increases gramicidin current in human embryonic kidney cells: An observational study
Ghovanloo MR, Goodchild SJ, Ruben PC. Cannabidiol increases gramicidin current in human embryonic kidney cells: An observational study. PLOS ONE 2022, 17: e0271801. PMID: 35913948, PMCID: PMC9342711, DOI: 10.1371/journal.pone.0271801.Peer-Reviewed Original ResearchConceptsHuman embryonic kidney cellsEmbryonic kidney cellsHEK cell membranesMembrane biophysical propertiesKidney cellsMonomeric proteinCompound-protein interactionsBacterial cellsIon channelsCell membraneBiophysical propertiesLipid membranesFormation of poresCellsLinear gramicidinCannabis plantCBD activityMembraneGramicidinPlantsProteinPotential therapeutic propertiesLate 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 propertiesNerveSeizuresArrhythmiasChannelopathiesDisease
2021
Cannabidiol and Sodium Channel Pharmacology: General Overview, Mechanism, and Clinical Implications
Ghovanloo MR, Ruben PC. Cannabidiol and Sodium Channel Pharmacology: General Overview, Mechanism, and Clinical Implications. The Neuroscientist 2021, 28: 318-334. PMID: 34027742, PMCID: PMC9344566, DOI: 10.1177/10738584211017009.Peer-Reviewed Original ResearchConceptsClinical implicationsNav channelsPotential therapeutic meansInteractions of cannabidiolVoltage-gated sodiumSodium channel pharmacologyClinical syndromePreclinical studiesCBD useNeurological conditionsCBD interactionsChannel pharmacologyTherapeutic meansAction potentialsMuscular problemsPathophysiological conditionsCannabidiolChannel functionExcitable tissuesViable compoundCannabis plantTissueDifferent tissuesHyperexcitabilitySyndromeCannabidiol inhibits the skeletal muscle Nav1.4 by blocking its pore and by altering membrane elasticity
Ghovanloo MR, Choudhury K, Bandaru TS, Fouda MA, Rayani K, Rusinova R, Phaterpekar T, Nelkenbrecher K, Watkins AR, Poburko D, Thewalt J, Andersen OS, Delemotte L, Goodchild SJ, Ruben PC. Cannabidiol inhibits the skeletal muscle Nav1.4 by blocking its pore and by altering membrane elasticity. The Journal Of General Physiology 2021, 153: e202012701. PMID: 33836525, PMCID: PMC8042605, DOI: 10.1085/jgp.202012701.Peer-Reviewed Original Research
2020
Cannabidiol protects against high glucose‐induced oxidative stress and cytotoxicity in cardiac voltage‐gated sodium channels
Fouda MA, Ghovanloo M, Ruben PC. Cannabidiol protects against high glucose‐induced oxidative stress and cytotoxicity in cardiac voltage‐gated sodium channels. British Journal Of Pharmacology 2020, 177: 2932-2946. PMID: 32077098, PMCID: PMC7279989, DOI: 10.1111/bph.15020.Peer-Reviewed Original ResearchConceptsHigh glucoseOxidative stressHigh glucose-induced oxidative stressCardiac voltage-gated sodium channelGlucose-induced oxidative stressReactive oxygen speciesCardiac sodium channel isoformChannel inhibitory effectVoltage-gated sodium channelsSteady-state fast inactivationHigh glucose conditionsSodium channel isoformsAction potential modellingDeleterious effectsCardiovascular complicationsDiabetic patientsAction potentialsCell viability assaysArrhythmiasMajor causeInhibitory effectChannel isoformsCannabidiolGlucose conditionsSodium channels
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 channelsA Mixed Periodic Paralysis & Myotonia Mutant, P1158S, Imparts pH-Sensitivity in Skeletal Muscle Voltage-gated Sodium Channels
Ghovanloo MR, Abdelsayed M, Peters CH, Ruben PC. A Mixed Periodic Paralysis & Myotonia Mutant, P1158S, Imparts pH-Sensitivity in Skeletal Muscle Voltage-gated Sodium Channels. Scientific Reports 2018, 8: 6304. PMID: 29674667, PMCID: PMC5908869, DOI: 10.1038/s41598-018-24719-y.Peer-Reviewed Original ResearchConceptsPeriodic paralysisSkeletal muscle voltageSkeletal muscle channelopathiesHypokalemic periodic paralysisSteady-state fast inactivationLow potassium levelsAutosomal dominant mutationsEpisodic attacksIntense exercisePhysical activityMuscle channelopathiesBlood acidosisCommon triggerPotassium levelsAction potential modelingParalysisSodium channelsMuscular contractionSkeletal muscleMyotoniaPhenotype correlationLate currentPatientsExtracellular pHFast inactivationpH Modulation of Voltage-Gated Sodium Channels
Peters CH, Ghovanloo MR, Gershome C, Ruben PC. pH Modulation of Voltage-Gated Sodium Channels. Handbook Of Experimental Pharmacology 2018, 246: 147-160. PMID: 29460150, DOI: 10.1007/164_2018_99.Peer-Reviewed Original ResearchConceptsElectrical diseaseSodium channelsChannel gatingDisease-causing mutantsSodium channel poreTransient sodium currentModulation of VoltageIschemic strokeNon-inactivating channelsSkeletal muscle sodium channelsAcute symptomsCocaine ingestionCardiac ischemiaSodium channel mutationsMuscle sodium channelsSodium currentIsoform specificitySodium channel gatingTissue-level effectsPathophysiological conditionsChannel mutationsSkeletal muscleDiseaseCardiac tissueChannel pore
2016
Chapter Fifteen Physiology and Pathophysiology of Sodium Channel Inactivation
Ghovanloo MR, Aimar K, Ghadiry-Tavi R, Yu A, Ruben PC. Chapter Fifteen Physiology and Pathophysiology of Sodium Channel Inactivation. Current Topics In Membranes 2016, 78: 479-509. PMID: 27586293, DOI: 10.1016/bs.ctm.2016.04.001.Peer-Reviewed Original Research