Article
Mechanism and timing of mitotic rearrangements in the subtelomeric D4Z4 repeat involved in facioscapulohumeral muscular dystrophy.
American journal of human genetics - 1 Jul 2004
Lemmers Richard J L F, Van Overveld Petra G M, Sandkuijl Lodewijk A, Vrieling Harry, Padberg George W, Frants Rune R, van der Maarel Silvère M
Abstract excerpt
Autosomal dominant facioscapulohumeral muscular dystrophy (FSHD1A) is associated with contractions of the polymorphic D4Z4 repeat on chromosome 4qter. Almost half of new FSHD mutations occur postfertilization, resulting in somatic mosaicism for D4Z4. Detailed D4Z4 analysis of 11 mosaic individuals with FSHD revealed a mosaic mixture of a contracted FSHD-sized allele and the unchanged ancestral allele in 8 cases,...
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