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Zhonghua Yi Xue Yi Chuan Xue Za Zhi. 2013 Feb;30(1):36-9. doi: 10.3760/cma.j.issn.1003-9406.2013.01.009.

[Study on Duchenne muscular dystrophy gene mutation and prenatal diagnosis].

[Article in Chinese]

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Institute of Population Research, Peking University, Beijing, People's Republic of China.



To explore the characteristics of DNA mutations underlying Duchenne muscular dystrophy and provide prenatal diagnosis.


Multiplex ligation-dependent probe amplification (MLPA) and denaturing high performance liquid chromatography (DHPLC) were applied for analyzing DMD gene mutations in 388 unrelated Chinese patients and 53 fetuses.


Respectively, 230 and 43 subjects were found to harbor a deletion (59.28%) or duplication (11.08%). Two deletion hotspots were identified, which have located at exons 45-54 and exons 3-19. Duplications were mainly detected at exons 2-43. Point mutations were identified in 29.64% of patients. Fifty three fetuses were prenatal diagnosed, among which 18 were identified as patients.


Frequencies of DMD gene deletions and duplications in China are similar to global data. Prenatal diagnosis can help to reduce births of DMD patients.

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