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
1999
Differential role of GDNF and NGF in the maintenance of two TTX-resistant sodium channels in adult DRG neurons
Fjell J, Cummins T, Dib-Hajj S, Fried K, Black J, Waxman S. Differential role of GDNF and NGF in the maintenance of two TTX-resistant sodium channels in adult DRG neurons. Brain Research 1999, 67: 267-282. PMID: 10216225, DOI: 10.1016/s0169-328x(99)00070-4.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAxotomyCell SizeCell SurvivalDown-RegulationDrug ResistanceFemaleGanglia, SpinalGene ExpressionGlial Cell Line-Derived Neurotrophic FactorLectinsMembrane PotentialsNAV1.8 Voltage-Gated Sodium ChannelNAV1.9 Voltage-Gated Sodium ChannelNerve Growth FactorsNerve Tissue ProteinsNeurons, AfferentNeuropeptidesPatch-Clamp TechniquesRatsRats, Sprague-DawleyRNA, MessengerSciatic NerveSodium ChannelsTetrodotoxinUp-RegulationConceptsTTX-R sodium currentsSNS/PN3Small DRG neuronsTTX-R currentsDRG neuronsIB4- neuronsSodium currentElectrophysiological propertiesSmall dorsal root ganglion neuronsDorsal root ganglion neuronsAxotomized DRG neuronsTTX-S currentsWhole-cell patch-clamp studiesTTX-resistant sodium channelsSciatic nerve transectionAdult DRG neuronsDifferent electrophysiological propertiesNear-normal levelsPatch-clamp studiesNerve transectionGDNF treatmentNeurotrophins NGFGanglion neuronsIsolectin IB4Exogenous NGF
1997
NGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons
Black J, Langworthy K, Hinson A, Dib-Hajj S, Waxman S. NGF has opposing effects on Na+ channel III and SNS gene expression in spinal sensory neurons. Neuroreport 1997, 8: 2331-2335. PMID: 9243635, DOI: 10.1097/00001756-199707070-00046.Peer-Reviewed Original ResearchConceptsNeurotrophin nerve growth factorSmall DRG neuronsExogenous NGFDRG neuronsDifferent sodium channel genesSmall dorsal root ganglion neuronsDorsal root ganglion neuronsSciatic nerve transectionMRNA levelsSpinal sensory neuronsNerve growth factorNerve transectionDRG culturesGanglion neuronsAlpha-IIIAdult ratsSensory neuronsPeripheral targetsSodium channel transcriptsMRNA expressionMembrane excitabilityNeuronsGrowth factorRetrograde transportChannel transcripts