[Neuropathic pain associated with Nav1.7 mutations: clinical picture and treatment].

Abstract excerpt

Voltage-gated sodium channels are essential for electrogenesis in excitable cells. The isoform Nav1.7 is primarily expressed in nociceptors. Mutations of the SCN9A gene, which codes for the α-subunit of Nav1.7, are the cause of primary erythromelalgia and paroxysmal extreme pain disorder, two rare neuropathic pain conditions. Recent studies have shown that mutations in the SCN9A gene are the cause of a subgroup...

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