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  • Title: Prenatal molecular diagnosis of Duchenne and Becker muscular dystrophy.
    Author: Li Q, Li SY, Hu DG, Sun XF, Chen DJ, Zhang C, Jiang WY.
    Journal: Beijing Da Xue Xue Bao Yi Xue Ban; 2006 Feb 18; 38(1):53-6. PubMed ID: 16415967.
    Abstract:
    OBJECTIVE: Duchenne and Becker muscular dystrophy (DMD/BMD) is an X-linked lethal recessive disease caused by mutations in the dystrophy gene. There is no efficient treatment for this serious and disabling disease. We established a combination method to detect carriers and perform prenatal diagnosis. METHODS: In our study, from 1994 to 2005, using a different combination of 5 methods, including SRY gene amplification, multiplex PCR, multiplex Fluorescence PCR capillary electrophoresis, multiplex ligation-dependent probe amplification (MLPA) and linkage analysis of short tandem repeats (STR), 36 prenatal diagnosis were performed for pregnancies at risk of having a DMD/BMD baby through amniocentesis. RESULTS: Fourteen out of 21 male fetuses were found to be affected and respective pregnancies were terminated. A combined diagnostic rate of 83% was achieved for 30 cases with deletions, duplications, and non-deletion mutations after tested by more than one method. CONCLUSION: Using a combined method, we can diagnoses patients and carriers in DMD families, and perform prenatal diagnosis for the risk fetus. MLPA provides a simple, rapid and accurate method for deletions and duplications of all the 79 DMD exons. MLPA method for DMD diagnosis is the first report in our country.
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