2024
Nav1.8 in small dorsal root ganglion neurons contributes to vincristine-induced mechanical allodynia
Nascimento de Lima A, Zhang H, Chen L, Effraim P, Gomis-Perez C, Cheng X, Huang J, Waxman S, Dib-Hajj S. Nav1.8 in small dorsal root ganglion neurons contributes to vincristine-induced mechanical allodynia. Brain 2024, 147: 3157-3170. PMID: 38447953, DOI: 10.1093/brain/awae071.Peer-Reviewed Original ResearchDorsal root ganglion neuronsDorsal root ganglionVincristine-induced mechanical allodyniaVincristine-induced peripheral neuropathyMechanical allodyniaVincristine treatmentNav1.8 channelsSmall dorsal root ganglion neuronsDevelopment of mechanical allodyniaTTX-R current densityVoltage-gated sodium channel Nav1.6Vincristine-treated animalsCurrent-clamp recordingsSodium channel Nav1.8Voltage-clamp recordingsReducing current thresholdSodium channel Nav1.6Investigate pathophysiological mechanismsTTX-RHyperpolarizing shiftRoot ganglionAllodyniaGanglion neuronsVincristine administrationPeripheral neuropathy
2023
Genetic, electrophysiological, and pathological studies on patients with SCN9A‐related pain disorders
Yuan J, Cheng X, Matsuura E, Higuchi Y, Ando M, Hashiguchi A, Yoshimura A, Nakachi R, Mine J, Taketani T, Maeda K, Kawakami S, Kira R, Tanaka S, Kanai K, Dib‐Hajj F, Dib‐Hajj S, Waxman S, Takashima H. Genetic, electrophysiological, and pathological studies on patients with SCN9A‐related pain disorders. Journal Of The Peripheral Nervous System 2023, 28: 597-607. PMID: 37555797, DOI: 10.1111/jns.12590.Peer-Reviewed Original ResearchConceptsParoxysmal extreme pain disorderPainful peripheral neuropathyPain disordersSCN9A mutationsPeripheral neuropathyNovel SCN9A mutationsVoltage-gated sodium channel Nav1.7Sodium channel Nav1.7Steady-state fast inactivationGene panel sequencingPatch-clamp analysisAutonomic neuropathyNeuropathic painSCN9A geneClinical featuresUnderlying pathogenesisPathological studiesPatientsChannel Nav1.7EM phenotypePhenotypic spectrumNeuropathyNav1.7 channelsPatch-clamp systemElectrophysiological analysisGenetic Profiling of Sodium Channels in Diabetic Painful and Painless and Idiopathic Painful and Painless Neuropathies
Almomani R, Sopacua M, Marchi M, Ślęczkowska M, Lindsey P, de Greef B, Hoeijmakers J, Salvi E, Merkies I, Ferdousi M, Malik R, Ziegler D, Derks K, Boenhof G, Martinelli-Boneschi F, Cazzato D, Lombardi R, Dib-Hajj S, Waxman S, Smeets H, Gerrits M, Faber C, Lauria G, Group O. Genetic Profiling of Sodium Channels in Diabetic Painful and Painless and Idiopathic Painful and Painless Neuropathies. International Journal Of Molecular Sciences 2023, 24: 8278. PMID: 37175987, PMCID: PMC10179245, DOI: 10.3390/ijms24098278.Peer-Reviewed Original ResearchConceptsDiabetic peripheral neuropathySmall fiber neuropathyPainless neuropathySFN patientsPainful neuropathyPeripheral neuropathyNeuropathy patientsPainless diabetic peripheral neuropathyPathogenic variantsPersonalized pain treatmentPainful peripheral neuropathyDifferent pathogenic variantsGenetic profilingSodium channel genePotential pathogenic variantsDPN patientsNeuropathic painNociceptive pathwaysPain treatmentNeuropathyPatientsSodium channelsFrequent featureDifferent centersSCN7APaclitaxel effects on axonal localization and vesicular trafficking of NaV1.8
Baker C, Tyagi S, Higerd-Rusli G, Liu S, Zhao P, Dib-Hajj F, Waxman S, Dib-Hajj S. Paclitaxel effects on axonal localization and vesicular trafficking of NaV1.8. Frontiers In Molecular Neuroscience 2023, 16: 1130123. PMID: 36860665, PMCID: PMC9970094, DOI: 10.3389/fnmol.2023.1130123.Peer-Reviewed Original ResearchChemotherapy-induced peripheral neuropathyDorsal root gangliaPTX treatmentDRG axonsEffect of paclitaxelVoltage-gated sodium channel NaPain syndromePeripheral neuropathyDRG neuronsSodium channel NaRoot gangliaCell cycle arrestNeuronal somataSensory neuronsSide effectsTherapeutic targetingTumor growthPaclitaxel effectAntineoplastic agentsAxonal localizationPaclitaxelNumber of NaAxonal compartmentAxonsChannel Na
2019
A gain-of-function sodium channel β2-subunit mutation in painful diabetic neuropathy
Alsaloum M, Estacion M, Almomani R, Gerrits MM, Bönhof GJ, Ziegler D, Malik R, Ferdousi M, Lauria G, Merkies IS, Faber CG, Dib-Hajj S, Waxman S. A gain-of-function sodium channel β2-subunit mutation in painful diabetic neuropathy. Molecular Pain 2019, 15: 1744806919849802. PMID: 31041876, PMCID: PMC6510061, DOI: 10.1177/1744806919849802.Peer-Reviewed Original ResearchConceptsDiabetic peripheral neuropathyPeripheral neuropathyNeuropathic painDiabetic peripheral neuropathy patientsPainful diabetic peripheral neuropathyDorsal root ganglion neuronsPainful diabetic neuropathyPeripheral neuropathy patientsSodium channel β subunitsSpectrum of patientsUse-dependent inhibitionCardiac conducting systemSodium channel α subunitVoltage-gated sodium channelsChannel α-subunitsSCN11A geneDiabetic neuropathyDiabetes mellitusChronic painNeuropathy patientsGanglion neuronsNegative genetic screeningChannel β subunitHealth sequelaeRepetitive stimulation
2018
A novel gain-of-function Nav1.7 mutation in a carbamazepine-responsive patient with adult-onset painful peripheral neuropathy
Adi T, Estacion M, Schulman BR, Vernino S, Dib-Hajj S, Waxman S. A novel gain-of-function Nav1.7 mutation in a carbamazepine-responsive patient with adult-onset painful peripheral neuropathy. Molecular Pain 2018, 14: 1744806918815007. PMID: 30392441, PMCID: PMC6856981, DOI: 10.1177/1744806918815007.Peer-Reviewed Original ResearchConceptsPainful peripheral neuropathyDorsal root gangliaPeripheral neuropathyUse-dependent inhibitionDRG neuronsPain disordersM variantFunction Nav1.7 mutationsMulti-electrode array recordingsSympathetic ganglion neuronsCommon pain disordersVoltage-clamp recordingsVoltage-gated sodium channel NaRare MendelianNav1.7 mutationGanglion neuronsSodium channel NaTrigeminal ganglionRoot gangliaNeonatal ratsPatientsNeuropathyMutant channelsFunction variantsNeurons
2012
Gain-of-function Nav1.8 mutations in painful neuropathy
Faber CG, Lauria G, Merkies IS, Cheng X, Han C, Ahn HS, Persson AK, Hoeijmakers JG, Gerrits MM, Pierro T, Lombardi R, Kapetis D, Dib-Hajj SD, Waxman SG. Gain-of-function Nav1.8 mutations in painful neuropathy. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 19444-19449. PMID: 23115331, PMCID: PMC3511073, DOI: 10.1073/pnas.1216080109.Peer-Reviewed Original ResearchConceptsPainful peripheral neuropathySmall fiber neuropathyPainful neuropathyPeripheral neuropathyPainful small fiber neuropathyDorsal root ganglion neuronsSodium channelsApparent underlying causePeripheral nerve axonsDRG neuronsGanglion neuronsNeuropathyNerve axonsUnderlying causeFunction variantsCurrent clampPatientsPotential pathogenicityNeuronsMutationsHyperexcitabilityAxonsResponse
1976
Probability of conduction deficit as related to fiber length in random-distribution models of peripheral neuropathies
Waxman S, Brill M, Geschwind N, Sabin T, Lettvin J. Probability of conduction deficit as related to fiber length in random-distribution models of peripheral neuropathies. Journal Of The Neurological Sciences 1976, 29: 39-53. PMID: 181541, DOI: 10.1016/0022-510x(76)90079-4.Peer-Reviewed Original ResearchConceptsPeripheral neuropathyAxonal dysfunctionSensory deficitsDistal sensory deficitsNormal sensory conductionRapid clinical progressionConduction deficitsSensory conductionClinical progressionNerve fibersConduction blockNeuropathyDysfunctionMarked reductionProximodistal gradientPossible correlatesDeficitsSmall increaseParesthesiaeAbnormalitiesProgression