Literature DB >> 15935668

Recurrent somatic mosaicism for D4Z4 contractions in a family with facioscapulohumeral muscular dystrophy.

Borian T Buzhov1, Richard J L F Lemmers, Ivailo Tournev, Michiel J R van der Wielen, Boriana Ishpekova, Radoslav Petkov, Julia Petrova, Rune R Frants, George W Padberg, Silvère M van der Maarel.   

Abstract

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, this allele is not recognized by the probes 4qA and 4qB representing two distal variants of 4qter, suggesting the presence of yet another, infrequent variant of 4qter.

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Year:  2005        PMID: 15935668     DOI: 10.1016/j.nmd.2005.03.005

Source DB:  PubMed          Journal:  Neuromuscul Disord        ISSN: 0960-8966            Impact factor:   4.296


  3 in total

1.  Equal proportions of affected cells in muscle and blood of a mosaic carrier of facioscapulohumeral muscular dystrophy.

Authors:  Maria Manuela O Tonini; Richard J L F Lemmers; Rita C M Pavanello; Antonia M P Cerqueira; Rune R Frants; Silvere M van der Maarel; Mayana Zatz
Journal:  Hum Genet       Date:  2005-12-08       Impact factor: 4.132

2.  A large patient study confirming that facioscapulohumeral muscular dystrophy (FSHD) disease expression is almost exclusively associated with an FSHD locus located on a 4qA-defined 4qter subtelomere.

Authors:  N S T Thomas; K Wiseman; G Spurlock; M MacDonald; D Ustek; M Upadhyaya
Journal:  J Med Genet       Date:  2006-09-20       Impact factor: 6.318

3.  Evolutionary history of linked D4Z4 and Beta satellite clusters at the FSHD locus (4q35).

Authors:  Marta Giussani; Maria Francesca Cardone; Beatrice Bodega; Enrico Ginelli; Raffaella Meneveri
Journal:  Genomics       Date:  2012-07-21       Impact factor: 5.736

  3 in total

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