Article
GFPT1-myasthenia: clinical, structural, and electrophysiologic heterogeneity.
Neurology - 23 Jul 2013
Selcen Duygu, Shen Xin-Ming, Milone Margherita, Brengman Joan, Ohno Kinji, Deymeer Feza, Finkel Richard, Rowin Julie, Engel Andrew G
Abstract excerpt
OBJECTIVE: To identify patients with GFPT1-related limb-girdle myasthenia and analyze phenotypic consequences of the mutations. METHODS: We performed genetic analysis, histochemical, immunoblot, and ultrastructural studies and in vitro electrophysiologic analysis of neuromuscular transmission. RESULTS: We identified 16 recessive mutations in GFPT1 in 11 patients, of which 12 are novel. Ten patients had slowly...
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