Analysis of dementia-related gene variants in APOE epsilon 4 noncarrying Korean patients with early-onset Alzheimer's disease
- Authors
- Park, Jong Eun; Kim, Hee Jin; Kim, Young-Eun; Jang, Hyemin; Cho, Soo Hyun; Kim, Seung Joo; Na, Duk L.; Won, Hong-Hee; Ki, Chang-Seok; Seo, Sang Won
- Issue Date
- Jan-2020
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Early-onset Alzheimer' s disease; APOE epsilon 4 non-carriers; Exome sequencing
- Citation
- NEUROBIOLOGY OF AGING, v.85, pp.155.e5 - 155.e8
- Indexed
- SCIE
SCOPUS
- Journal Title
- NEUROBIOLOGY OF AGING
- Volume
- 85
- Start Page
- 155.e5
- End Page
- 155.e8
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/146409
- DOI
- 10.1016/j.neurobiolaging.2019.05.009
- ISSN
- 0197-4580
- Abstract
- There is a genetic overlap among various neurodegenerative diseases that cause dementia. We analyzed dementia-related gene variants in 60 apolipoprotein E epsilon 4 non-carrying Korean patients with early-onset Alzheimer's disease. Thirty-one dementia-related genes were screened by exome sequencing. Among the 60 patients, three likely pathogenic variants (LPVs) and 1 variant of uncertain significance (VUS) were identified in PSEN1. In addition, two LPVs in TYROBP (c.141del) and PINK1 (c.1220G>A) and 17 VUS were found in other dementia-causing genes. Two variants in SORL1 and TREM2 were identified that were associated with Alzheimer's disease. In this study, we identified 5 (8.3%) LPVs and 18 (30%) VUSs in known dementia-related genes in apolipoprotein E epsilon 4 noncarrying Korean patients with early-onset Alzheimer's disease.
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