Muscle & nerve · 2012
Novel FLNC mutation in a patient with myofibrillar myopathy in combination with late-onset cerebellar ataxia.
Клинический случайСтатьяResearch Support, N.I.H., IntramuralНазвание и аннотация: Перевод в очереди
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Tasca Giorgio, Odgerel Zagaa, Monforte Mauro, Aurino Stefania, Clarke Nigel F, Waddell Leigh B, Udd Bjarne, Ricci Enzo, Goldfarb Lev G
Аннотация
INTRODUCTION: Mutations in the gene that encodes filamin C, FLNC, represent a rare cause of a distinctive type of myofibrillar myopathy (MFM).
METHODS: We investigated an Italian patient by means of muscle biopsy, muscle and brain imaging and molecular analysis of MFM genes.
RESULTS: The patient harbored a novel 7256C>T, p.Thr2419Met mutation in exon 44 of FLNC. Clinical, pathological and muscle MRI findings were similar to the previously described filaminopathy cases. This patient had, in addition, cerebellar ataxia with atrophy of cerebellum and vermis evident on brain MRI scan. Extensive screening failed to establish a cause of cerebellar atrophy.
CONCLUSIONS: We report an Italian filaminopathy patient, with a novel mutation in a highly conserved region. This case raises the possibility that the disease spectrum caused by FLNC may include cerebellar dysfunction.
METHODS: We investigated an Italian patient by means of muscle biopsy, muscle and brain imaging and molecular analysis of MFM genes.
RESULTS: The patient harbored a novel 7256C>T, p.Thr2419Met mutation in exon 44 of FLNC. Clinical, pathological and muscle MRI findings were similar to the previously described filaminopathy cases. This patient had, in addition, cerebellar ataxia with atrophy of cerebellum and vermis evident on brain MRI scan. Extensive screening failed to establish a cause of cerebellar atrophy.
CONCLUSIONS: We report an Italian filaminopathy patient, with a novel mutation in a highly conserved region. This case raises the possibility that the disease spectrum caused by FLNC may include cerebellar dysfunction.