Abstract
Neuropathic pain occurs as a result of some form of injury to the nervous system. Although the basis of the disease remains to be fully elucidated, numerous studies have suggested a major role for ion channels in the pathogenesis of neuropathic pain. As Na+ channels play a fundamental role in not only the generation but also in the conduction of an action potential, they have received considerable attention in the aetiology of pain sensation and have become important pharmacological targets. In this review, the authors discuss the importance of specific Na+ channel isoforms in the pathophysiology of neuropathic pain and the present use of Na+ channel antagonists in the treatment of neuropathic pain.
MeSH terms
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Analgesics / pharmacology
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Analgesics / therapeutic use*
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Animals
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Humans
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Ion Channel Gating / drug effects*
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Membrane Potentials / drug effects
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NAV1.7 Voltage-Gated Sodium Channel
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NAV1.8 Voltage-Gated Sodium Channel
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NAV1.9 Voltage-Gated Sodium Channel
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Neuralgia / drug therapy*
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Neuralgia / metabolism
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Neuralgia / physiopathology
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Neurons / drug effects*
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Neurons / metabolism
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Neuropeptides / drug effects
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Sodium Channel Blockers / pharmacology
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Sodium Channel Blockers / therapeutic use*
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Sodium Channels / drug effects*
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Sodium Channels / metabolism
Substances
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Analgesics
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NAV1.7 Voltage-Gated Sodium Channel
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NAV1.8 Voltage-Gated Sodium Channel
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NAV1.9 Voltage-Gated Sodium Channel
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Neuropeptides
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SCN10A protein, human
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SCN11A protein, human
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SCN9A protein, human
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Sodium Channel Blockers
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Sodium Channels