alexa Severe myoclonus-dystonia syndrome associated with a novel epsilon-sarcoglycan gene truncating mutation.
Genetics & Molecular Biology

Genetics & Molecular Biology

Hereditary Genetics: Current Research

Author(s): Marchal L, Raux G, Dumanchin C, Lefebvre G, Deslandre E,

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Abstract Myoclonus-dystonia syndrome (MDS) is an autosomal dominant disorder characterized by myoclonic and dystonic muscle contractions, associated with psychiatric manifestations. MDS is usually considered as a benign disease. In most of the families, MDS is linked to chromosome 7q21 and mutations within epsilon-sarcoglycan (SGCE) gene have been recently described. We report a MDS family with a severe and heterogeneous phenotype, including myoclonus with important functional impact and several psychiatric features, characterized by obsessive-compulsive disorder, depression, and anxiety. This phenotype was shown to be associated with a novel truncating mutation located within exon 4 of SGCE. Copyright 2003 Wiley-Liss, Inc. This article was published in Am J Med Genet B Neuropsychiatr Genet and referenced in Hereditary Genetics: Current Research

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