A Novel c.800G>C Variant of the ITM2B Gene in Familial Korean Dementia
- Authors
- Rhyu, Jee-Min; Park, Joonhong; Shin, Byoung-Soo; Kim, Young-Eun; Kim, Eun-Joo; Kim, Ko Woon; Cho, Yong Gon
- Issue Date
- May-2023
- Publisher
- IOS PRESS
- Keywords
- Alzheimer’s disease; c.800G> C; cerebral amyloid angiopathy; dementia; ITM2B gene; white matter hyperintensity
- Citation
- JOURNAL OF ALZHEIMERS DISEASE, v.93, no.2, pp.403 - 409
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALZHEIMERS DISEASE
- Volume
- 93
- Number
- 2
- Start Page
- 403
- End Page
- 409
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/186340
- DOI
- 10.3233/JAD-230051
- ISSN
- 1387-2877
- Abstract
- Mutations in ITM2B have been reported to be associated with several familial dementias, such as Familial British dementia and familial Danish dementia. These are autosomal dominant disorders characterized by progressive dementia with an onset at around the fifth decade of life. We describe a family with cognitive impairment caused by a novel ITM2B p.*267Serext*11 mutation. The probands presented with cognitive impairment and cerebral infarction. MRI revealed diffuse white matter hyperintensity and microbleeds. Amyloid deposition was not observed on amyloid positron emission tomography. Our case suggests that the BRI2 mutation impacts cognition regardless of amyloid-β accumulation.
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