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Multiplex Ligation-Dependent Probe Amplification in X-linked Recessive Muscular Dystrophy in Korean Subjects

Other Titles
 한국인 근디스트로피 환자에서의 Multiple Ligation-dependent Probe Amplification Identification 분석 
Authors
 Mi Ri Suh  ;  Kyung-A Lee  ;  Eun Young Kim  ;  Jiho Jung  ;  Won Ah Choi  ;  Seong-Woong Kang 
Citation
 Yonsei Medical Journal, Vol.58(3) : 613-618, 2017 
Journal Title
 Yonsei Medical Journal 
ISSN
 0513-5796 
Issue Date
2017
MeSH
Adolescent ; Adult ; Asian Continental Ancestry Group/genetics ; Child ; DNA Mutational Analysis/methods* ; Dystrophin/genetics* ; Exons/genetics ; Female ; Gene Deletion ; Heterozygote ; Humans ; Male ; Mass Screening ; Multiplex Polymerase Chain Reaction/methods* ; Muscular Dystrophy, Duchenne/diagnosis* ; Muscular Dystrophy, Duchenne/ethnology ; Muscular Dystrophy, Duchenne/genetics* ; Mutation/genetics* ; Republic of Korea ; Retrospective Studies ; Sequence Analysis, DNA ; Sequence Deletion ; Young Adult
Keywords
Becker muscular dystrophy ; Duchenne muscular dystrophy ; female carrier ; multiple ligation-dependent probe amplification
Abstract
PURPOSE: Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) are similar genetic disorders whose patterns of mutation and disease phenotypes might be expected to show differences among different countries. We analyzed multiplex ligation-dependent probe amplification (MLPA) data in a large number of Korean patients with DMD/BMD. MATERIALS AND METHODS: We obtained 130 positive MLPA results (86 DMD, 27 BMD, and 17 female carriers) from 272 candidates (237 clinically suspected patients and 35 possible female carriers) who took part in this study. We analyzed the mutation patterns among 113 patients diagnosed by MLPA and calculated deletion/duplication percentages from a total of 128 patients, including 15 patients who were diagnosed using methods other than MLPA. We also analyzed hot spot locations among the 130 MLPA-positive results. RESULTS: Most mutations were detected in a central hot spot region between exons 44 and 55 (80 samples, 60.6%). Unlike previous reports, a second frequently observed hot spot near the 5'-end was not distinctive. MLPA detected deletions in specific exons in 92 patients with DMD/BMD (71.8%) and duplications in 21 patients (16.4%). CONCLUSION: Our MLPA study of a large number of Korean patients with DMD/BMD identified the most frequent mutation hot spot, as well as a unique hot spot pattern. DMD gene mutation patterns do not appear to show significant ethnic differences.
Files in This Item:
T201700997.pdf Download
DOI
10.3449/ymj.2017.58.3.613
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실)
Yonsei Authors
강성웅(Kang, Seong Woong) ORCID logo https://orcid.org/0000-0002-7279-3893
김은영(Kim, Eun Young)
서미리(Suh, Mi Ri)
이경아(Lee, Kyung A) ORCID logo https://orcid.org/0000-0001-5320-6705
최원아(Choi, Won Ah)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/153913
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