Article
Recurrent somatic mosaicism for D4Z4 contractions in a family with facioscapulohumeral muscular dystrophy.
Neuromuscular disorders : NMD - 1 Jul 2005
Buzhov Borian T, Lemmers Richard J L F, Tournev Ivailo, van der Wielen Michiel J R, Ishpekova Boriana, Petkov Radoslav, Petrova Julia, Frants Rune R, Padberg George W, van der Maarel Silvère M
Abstract excerpt
Autosomal dominant facioscapulohumeral muscular dystrophy (FSHD) is caused by contraction of the D4Z4 repeat on 4q35. We describe a FSHD family of unusual genetic complexity presenting with two independent mitotic contractions of D4Z4 in two successive generations. In addition, a non-pathogenic FSHD-sized allele of approximately the same size is interfering with the DNA diagnosis in this family. Interestingly,...
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