2024
TRPV1 corneal neuralgia mutation: Enhanced pH response, bradykinin sensitization, and capsaicin desensitization
Gualdani R, Barbeau S, Yuan J, Jacobs D, Gailly P, Dib-Hajj S, Waxman S. TRPV1 corneal neuralgia mutation: Enhanced pH response, bradykinin sensitization, and capsaicin desensitization. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2406186121. PMID: 39226353, PMCID: PMC11406256, DOI: 10.1073/pnas.2406186121.Peer-Reviewed Original ResearchConceptsLaser-assisted in situ keratomileusisPhotorefractive keratectomyOcular Surface Disease Index scoreCapsaicin-induced desensitizationPhotorefractive keratectomy enhancementDisease Index scorePhysiological membrane potentialsCorneal neuralgiaTRPV1 variantsCorneal painRefractive surgeryRefractive errorCapsaicin desensitizationPersistent painBradykinin sensitivityNerve injuryM mutationPatch clampChannel activitySurgical techniqueLeftward shiftInflammatory mediatorsM-channelPainIndex score
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
2000
Localization of the tetrodotoxin-resistant sodium channel NaN in nociceptors
Fjell J, Hjelmström P, Hormuzdiar W, Milenkovic M, Aglieco F, Tyrrell L, Dib-Hajj S, Waxman S, Black J. Localization of the tetrodotoxin-resistant sodium channel NaN in nociceptors. Neuroreport 2000, 11: 199-202. PMID: 10683857, DOI: 10.1097/00001756-200001170-00039.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAxonsCorneaFemaleGanglia, SpinalImage Processing, Computer-AssistedImmunohistochemistryMolecular Sequence DataMyelin SheathNAV1.9 Voltage-Gated Sodium ChannelNerve FibersNeurons, AfferentNeuropeptidesNociceptorsPresynaptic TerminalsRanvier's NodesRatsRats, Sprague-DawleySciatic NerveSodium ChannelsTetrodotoxinConceptsSciatic nerveSmall diameter primary sensory neuronsSodium currentTetrodotoxin-resistant sodium channelsTetrodotoxin-resistant sodium currentDorsal root ganglion neuronsSodium channelsPrimary sensory neuronsAxonal sodium currentsNodes of RanvierNociceptive transmissionChannel immunoreactivityGanglion neuronsUnmyelinated fibersAxon terminalsSensory neuronsNerveImmunoreactivityAxonsNeuronsSpecific peptidesNociceptorsIB4CorneaAntibodies
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