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드라베 증후군의 SCN1A 유전자 변이 양상

Other Titles
 SCN1A Variants in Patients with Dravet Syndrome 
 조민정  ;  권순성  ;  이승태  ;  김흥동  ;  정희정  ;  이준수  ;  이영목  ;  김세희  ;  강훈철 
 Journal of the Korean Child Neurology Society (대한소아신경학회지), Vol.25(1) : 9-12, 2017 
Journal Title
 Journal of the Korean Child Neurology Society (대한소아신경학회지) 
Issue Date
Dravet syndrome ; SCN1A mutation
Purpose: The aim of this study is to examine the SCN1A variants in Korean patients with Dravet syndrome. Methods: We conducted a retrospective study of clinically confirmed thirty-nine patients with Dravet syndrome who visit our hospital from January 2007 to May 2015. We analyzed the SCN1A variants by direct sequencing. We analyzed and classified SCN1A variants according to ACMG/AMP (American College of Medical Genetics and Genomics and the Association for Molecular Pathology) guideline. Results: : A total thirty-nine patients (female 22, male 17) were included. Among them, twenty patients (51.2%) with Dravet syndrome had pathogenic or likely pathogenic SCN1A mutations including fifteen truncating mutations (12 nonsense and 3 splice region mutations), 5 missense mutations. The remained variants in nineteen patients with Dravet syndrome classified into ten variants of unknown significances, and 9 benign variants. In our study, truncation mutations are located whole span of SCN1A protein, while half of missense mutations are located at higher density on pore loop (S5-S6) regions Conclusion: Unlike previous known study, lower positive rate of SCN1A mutation of Dravet syndrome was revealed in our study. The importance of parental test (trio test) and other additional tests have been emphasized.
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실)
Yonsei Authors
강훈철(Kang, Hoon Chul) ; 김세희(Kim, Se Hee) ; 김흥동(Kim, Heung Dong) ; 이영목(Lee, Young Mock) ; 이준수(Lee, Joon Soo)
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