Cover:Electroporation in mouse skeletal muscle of mutant MuSK construct bearing the missense mutation identified in a
congenital myasthenic syndrome patient. This transfection induces within a week at the mouse neuromuscular junction (identified in red by α-bungarotoxin) terminal and ultraterminal sprouting of the motor axon (stained in green by an antineurofilament
antibody) similar to the structural neuromuscular junction changes observed in the patient muscle biopsy. See Article by
Chevessier et al., in this issue, pp. 3229-3240.
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