Published in

Frontiers Media, Frontiers in Pharmacology, (2)

DOI: 10.3389/fphar.2011.00063

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Skeletal muscle Na+ channel disorders

Journal article published in 2011 by Dina Simkin ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Five inherited human disorders affecting skeletal muscle contraction have been traced to mutations in the gene encoding the voltage-gated sodium channel Na(v)1.4. The main symptoms of these disorders are myotonia or periodic paralysis caused by changes in skeletal muscle fiber excitability. Symptoms of these disorders vary from mild or latent disease to incapacitating or even death in severe cases. As new human sodium channel mutations corresponding to disease states become discovered, the importance of understanding the role of the sodium channel in skeletal muscle function and disease state grows.