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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hye-ji (Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Seo, Go Hun (Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Kim, Yoon Myung (Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Kim, Gu-Hwan (Medical Genetics Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Seo, Eul-Ju (Medical Genetics Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Ra, Young-Shin (Department of Neurosurgery, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Choi, Jin-Ho (Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine) Yoo, Han-Wook (Department of Pediatrics, 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 Medicine)
저널정보
대한의학유전학회 Journal of genetic medicine Journal of genetic medicine 제14권 제2호
발행연도
2017.1
수록면
56 - 61 (6page)

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Purpose: Neurofibromatosis type 2 (NF2) is characterized by multiple tumors, including vestibular schwannoma (VS) and others affecting cranial and peripheral nerves. NF2 is caused by mutation of the NF2 gene. The mutation spectrum of NF2 has not been characterized in Korean patients. In the current study, the clinical and genetic characteristics of Korean NF2 patients were analyzed. Materials and Methods: Twenty-five unrelated Korean families were enrolled according to the Manchester criteria. Genetic analysis was performed by direct sequencing and multiplex ligation-dependent probe amplification methods using genomic DNA from peripheral lymphocytes or tumor tissues. Results: All patients had bilateral/unilateral VS and/or other cranial and peripheral nerve tumors. Two patients were familial cases and the other 24 patients were sporadic. Germline NF2 mutations were detected in peripheral lymphocytes from both familial cases, but only in 26.1% of the 23 sporadic families. Somatic mutations were also found in tumor tissues from two of the sporadic families. These somatic mutations were not found in peripheral lymphocytes. A total of 10 different mutations including 2 novel mutations were found in 40.0% of studied families. Five mutations (50.0%) were located in exon 6 of NF2, the FERM domain coding region. Conclusion: Family history was an important factor in identifying germline NF2 mutations. Further study is required to investigate whether exon 6 is a mutation hotspot in Korean NF2 patients and its correlation to phenotypic severity.

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