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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Gu-Hwan (Medical Genetics Center, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Chung, Sun Ju (Department of Neurology, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Ryu, Ho-Sung (Department of Neurology, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Kim, Jaemin (Medical Genetics Center, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Lee, Jin-Joo (Medical Genetics Center, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Choi, Seoung Hoon (Medical Genetics Center, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Lee, Juyeon (Medical Genetics Center, Asan Medical Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Lee, Beom Hee (Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of) Choi, Jin-Ho Yoo, Han-Wook
저널정보
대한의학유전학회 Journal of genetic medicine Journal of genetic medicine 제12권 제1호
발행연도
2015.1
수록면
38 - 43 (6page)

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Purpose: Spinocerebellar ataxias (SCAs) are progressive neurodegenerative disorders with diverse modes of inheritance. There are several subtypes of SCAs. SCA 8, SCA 12, and SCA 17 are the less common forms of SCAs with limited information available on their epidemiological profiles in Korea. The purpose of this study was to investigate the prevalence of SCA8, SCA12, and SCA17 in Korea. Materials and Methods: Ninety-six unrelated Korean patients were enrolled and showed normal trinucleotide repeats through polymerase-chain reaction (PCR) for the genes ATXN1, ATXN2, ATXN3, CACNA1A, and ATXN7, which correspond to SCA1, SCA2, SCA3, SCA6, and SCA7, respectively. PCR products from patients were further analyzed by capillary electrophoresis using fluorescence labeled primers for the genes ATXN8OS, PPP2R2B, and TBP, which correspond to SCA8, SCA12, and SCA17. Results: Three patients had 104, 97, and 75 abnormal expanded repeats in the ATXN8OS gene, the causative gene for SCA8. None of the patients exhibited abnormal repeats in SCA12 and SCA17. Normal trinucleotide repeat ranges of the cohort in this study were estimated to be 17-34 copies (average, $24{\pm}4copies$) for SCA8, 7-18 copies (average, $13{\pm}3copies$) for SCA12, and 26-43 copies (average, $35{\pm}2copies$) for SCA17. Conclusion: This study demonstrated that SCA8, SCA12, and SCA17 are rare in Korean patients with SCA, and further genetic studies are warranted to enhance the mutation detection rate in the Korean SCA population.

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