2019
Rat NaV1.7 loss-of-function genetic model: Deficient nociceptive and neuropathic pain behavior with retained olfactory function and intra-epidermal nerve fibers
Grubinska B, Chen L, Alsaloum M, Rampal N, Matson D, Yang C, Taborn K, Zhang M, Youngblood B, Liu D, Galbreath E, Allred S, Lepherd M, Ferrando R, Kornecook T, Lehto S, Waxman S, Moyer B, Dib-Hajj S, Gingras J. Rat NaV1.7 loss-of-function genetic model: Deficient nociceptive and neuropathic pain behavior with retained olfactory function and intra-epidermal nerve fibers. Molecular Pain 2019, 15: 1744806919881846. PMID: 31550995, PMCID: PMC6831982, DOI: 10.1177/1744806919881846.Peer-Reviewed Original ResearchConceptsOlfactory functionNav1.7 proteinPain behaviorPain responseRat modelSmall-diameter dorsal root ganglion neuronsNormal intraepidermal nerve fibre densityIntraepidermal nerve fiber densityIntra-epidermal nerve fibersDorsal root ganglion neuronsNeuropathic pain behaviorsNeuropathic pain responsesSpinal nerve ligationNerve fiber densityDorsal root gangliaAction potential firingPeripheral nervous systemEarly postnatal developmentGenetic animal modelsNav1.7 lossNerve ligationPain targetsNeuropathic conditionsGanglion neuronsRoot ganglia
2017
COL6A5 variants in familial neuropathic chronic itch
Martinelli-Boneschi F, Colombi M, Castori M, Devigili G, Eleopra R, Malik RA, Ritelli M, Zoppi N, Dordoni C, Sorosina M, Grammatico P, Fadavi H, Gerrits MM, Almomani R, Faber CG, Merkies IS, Toniolo D, Network F, Cocca M, Doglioni C, Waxman S, Dib-Hajj S, Taiana M, Sassone J, Lombardi R, Cazzato D, Zauli A, Santoro S, Marchi M, Lauria G. COL6A5 variants in familial neuropathic chronic itch. Brain 2017, 140: 555-567. PMID: 28073787, DOI: 10.1093/brain/aww343.Peer-Reviewed Original ResearchConceptsChronic itchSmall fiber neuropathyJHS/EDS-HT patientsJoint hypermobility syndrome/Ehlers-Danlos syndrome hypermobility typeNew candidate therapeutic targetsIntraepidermal nerve fiber densityEhlers-Danlos syndrome hypermobility typeEDS-HT patientsNonsense variantNerve fiber densitySkin of patientsCandidate therapeutic targetUnrelated sporadic patientsWhole-exome sequencingItch reliefNeuropathic itchDiabetic patientsHypermobility typeSomatosensory pathwaysHealthy controlsSkin biopsiesSide effectsTherapeutic targetPatientsSporadic patients
2014
Paroxysmal itch caused by gain-of-function Nav1.7 mutation
Devigili G, Eleopra R, Pierro T, Lombardi R, Rinaldo S, Lettieri C, Faber C, Merkies I, Waxman S, Lauria G. Paroxysmal itch caused by gain-of-function Nav1.7 mutation. Pain 2014, 155: 1702-1707. PMID: 24820863, DOI: 10.1016/j.pain.2014.05.006.Peer-Reviewed Original ResearchConceptsIntraepidermal nerve fiber densityNerve fiber densityFiber densityAutonomic cardiovascular reflexesFunction Nav1.7 mutationsNerve conduction studiesManifestations of allergyQuantitative sensory testingParadoxical heat sensationProfile assessmentConsequence of diseaseNav1.7 sodium channelCardiovascular reflexesPregabalin treatmentAutonomic testsConduction studiesNav1.7 mutationPain thresholdClinical pictureSystemic diseaseSomatosensory pathwaysSkin biopsiesIndex patientsSensory testingSpicy foods
2012
Genetic aspects of sodium channelopathy in small fiber neuropathy
Hoeijmakers J, Merkies I, Gerrits M, Waxman S, Faber C. Genetic aspects of sodium channelopathy in small fiber neuropathy. Clinical Genetics 2012, 82: 351-358. PMID: 22803682, DOI: 10.1111/j.1399-0004.2012.01937.x.Peer-Reviewed Original ResearchConceptsSmall fiber neuropathyEtiology of SFNSmall-diameter peripheral axonsIntraepidermal nerve fiber densityDorsal root ganglion neuronsAbnormal thermal thresholdsNerve fiber densityQuantitative sensory testingUnmyelinated C-fibersSFN patientsAutonomic dysfunctionNeuropathic painAδ fibersGanglion neuronsC-fibersPeripheral axonsSensory testingSpecific treatmentSodium channelopathiesApparent causeFiber densitySodium channelsLogical targetNeuropathyPain