, Volume 86, Issue 1, pp 45-48

Detection of 98% of DMD/BMD gene deletions by polymerase chain reaction

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We describe oligonucleotide primer sequences that can be used to amplify eight exons plus the muscle promoter of the dystrophin gene in a single multiplex polymerase chain reaction (PCR). When used in conjunction with an existing primer set, these two multiplex reactions detect about 98% of deletions in patients with Duchenne or Becker muscular dystrophy (DMD, BMD). Furthermore, these primers amplify most of the exons in the deletion prone “hot spot” region around exons 44 to 53, allowing determination of deletion endpoints and prediction of mutational effects on the translational reading frame. Thus, use of these PCR-based assays will allow deletion detection and prenatal diagnosis for most DMD/BMD patients in a fraction of the time required for Southern blot analysis.