From genes to pain: Nav1.7 and human pain disorders

Sulayman D. Dib-Hajj, Theodore R. Cummins, Joel A. Black, Stephen G. Waxman

Research output: Contribution to journalReview article

196 Scopus citations

Abstract

Gain-of-function mutations or dysregulated expression of voltage-gated sodium channels can produce neuronal hyperexcitability, leading to acute or chronic pain. The sodium channel Nav1.7 is expressed preferentially in most slowly conducting nociceptive neurons and in sympathetic neurons. Gain-of-function mutations in the Nav1.7 channel lead to DRG neuron hyperexcitability associated with severe pain, whereas loss of the Nav1.7 channel in patients leads to indifference to pain. The contribution of Nav1.7 to acquired and inherited pain states and the absence of motor, cognitive and cardiac deficits in patients lacking this channel make it an attractive target for the treatment of neuropathic pain.

Original languageEnglish (US)
Pages (from-to)555-563
Number of pages9
JournalTrends in Neurosciences
Volume30
Issue number11
DOIs
StatePublished - Nov 1 2007

ASJC Scopus subject areas

  • Neuroscience(all)

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