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  • Title: Duchenne muscular dystrophy involving translocation of the dmd gene next to ribosomal RNA genes.
    Author: Worton RG, Duff C, Sylvester JE, Schmickel RD, Willard HF.
    Journal: Science; 1984 Jun 29; 224(4656):1447-9. PubMed ID: 6729462.
    Abstract:
    Duchenne muscular dystrophy (DMD) is a severe X-linked disorder leading to early death of affected males. Females with the disease are rare, but seven are known to be affected because of a chromosomal rearrangement involving a site at or near the dmd gene on the X chromosome. One of the seven has a translocation between the X and chromosome 21. The translocation-derived chromosomes from this patient have been isolated, and the translocation is shown to have split the block of genes encoding ribosomal RNA on the short arm of chromosome 21. Thus ribosomal RNA gene probes may be used to identify a junction fragment from the translocation site, allowing access to cloned segments of the X at or near the dmd gene and presenting a new approach to the study of this disease.
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