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pubmed:abstractText |
Facioscapulohumeral muscular dystrophy (FSHD) is an autosomal dominant disease associated with contraction of arrays of tandem 3.3-kb units (D4Z4) on subtelomeric 4q. Disease-linked arrays usually have fewer than 11 repeat units. Equally short D4Z4 arrays at subtelomeric 10q are not linked to FSHD. The newly described 4qA161 haplotype, which is more prevalent in pathogenic 4q alleles, involves sequences in and near D4Z4.
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