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240124s2024 xx |||||o 00| ||chi c |
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|a 10.3760/cma.j.cn112140-20230803-00072
|2 doi
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|a chi
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| 100 |
1 |
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|a Hua, C X
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Analysis of DMD gene variants in a single center
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1 |
|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 16.02.2024
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|a Date Revised 16.02.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a Objective: To investigate the DMD genetic variants of the Chinese population with Duchenne (DMD) and Becker muscular dystrophies (BMD). Methods: A cross-sectional study was conducted on 2 690 unrelated patients with DMD and BMD aged 0-18 who visited the Genetic and Prenatal Diagnosis Center of the First Affiliated Hospital of Zhengzhou University from January 2005 to February 2022. The clinical data, such as gender, age, clinical manifestations, and address, were collected. Multiplex ligation-dependent probe amplification, next generation sequencing panel, Sanger sequencing, and PCR amplification were used to detect the variants of the DMD gene in the patients, whose clinical information and gene detection results were descriptively analyzed. Results: The 2 690 patients included 2 648 males and 42 females, with an age of 6.0 (4.0, 9.0) years. The serum creatine kinase increased in all patients. Pathogenic DMD gene variants were detected in the 2 618 patients, including 1 875 cases (71.6%) large deletions, 231 cases (8.8%) duplications, and 512 cases (19.6%) small variants. Among the deletion variants, the deletion of 3 exons was the most common, accounting for 15.4% (288/1 875); and hotspot deletion involved exons 45 to 50, accounting for 6.3% (119/1 875). Exon 2 was the most common type duplication region, accounting for 13.0% (30/231). Small variants were distributed in all 79 exons of the DMD gene, with no hotspots. In addition, the 46 small variants were previously unreported. Conclusion: Exon deletion is the most common type of DMD gene variant, followed by small variants and exon duplication
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|a English Abstract
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|a Journal Article
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|a Dystrophin
|2 NLM
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| 700 |
1 |
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|a Liu, L N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, S Z
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xin, S W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kong, X D
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Zhonghua er ke za zhi = Chinese journal of pediatrics
|d 1960
|g 62(2024), 2 vom: 02. Feb., Seite 153-158
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|7 nnns
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|g volume:62
|g year:2024
|g number:2
|g day:02
|g month:02
|g pages:153-158
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| 856 |
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|u http://dx.doi.org/10.3760/cma.j.cn112140-20230803-00072
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