Recessive inheritance and variable penetrance of slow-channel congenital myasthenic syndromes.
BACKGROUND: Slow-channel congenital myasthenic syndromes (SCCMS) typically show dominant inheritance. They are caused by missense mutations within the subunits of muscle nicotinic acetylcholine receptors (AChR) that result in prolonged ion channel activations. SCCMS mutations within the AChR subunit are located in various functional domains, whereas fully described mutations in AChR non- subunits have, thus far, been located only in the M2 channel-lining domain. The authors identified and cha...Expand abstract
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