Mechanistic Diversity Underlying Fast Channel Congenital Myasthenic Syndromes

Abstract excerpt

A host of missense mutations in muscle nicotinic receptor subunits have been identified as the cause of congenital myasthenic syndromes (CMS). Two classes of CMS phenotypes have been identified: slow channel myasthenic syndromes (SCCMSs) and fast channel myasthenic syndromes (FCCMSs). Although both have similar phenotypic consequences, they are physiologic opposites. Expression of the FCCMS phenotype requires the...

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