White Matter Hyperintensities are associated with Amyloid Burden in APOE4 Non-Carriersopen access
- Authors
- Noh, Young; Seo, Sang Won; Jeon, Seun; Lee, Jong Min; Kim, Jung-Hyun; Kim, Geon Ha; Cho, Hanna; Yoon, Cindy W.; Kim, Hee Jin; Ye, Byoung Seok; Kim, Sung Tae; Choe, Yearn Seong; Lee, Kyung-Han; Kim, Jae Seung; Ewers, Michael; Weiner, Michael W.; Lee, Jae-Hong; Werring, David J.; Kang, Dae Ryong; Kim, Chang Soo; Na, Duk L.
- Issue Date
- May-2014
- Publisher
- IOS PRESS
- Keywords
- Alzheimer' s disease; amyloid burden; apolipoprotein E4; cerebrovascular disease
- Citation
- JOURNAL OF ALZHEIMERS DISEASE, v.40, no.4, pp.877 - 886
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALZHEIMERS DISEASE
- Volume
- 40
- Number
- 4
- Start Page
- 877
- End Page
- 886
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160010
- DOI
- 10.3233/JAD-130461
- ISSN
- 1387-2877
- Abstract
- Previous preclinical studies have suggested a close relationship between cerebrovascular disease (CVD) and Alzheimer's disease. However, a direct correlation between CVD and amyloid burden has not yet been shown in humans. If there is a relationship between CVD and amyloid burden, it is possible that the apolipoprotein E4 (APOE4) genotype may have an effect on this relationship because APOE4 is a risk factor for the development of AD. We therefore evaluated the effects of APOE4 on the relationship between white matter hyperintensities (WMH), a marker of CVD, and amyloid burden, measured by C-11-Pittsburgh compound B (PiB) PET. We recruited 53 patients with subcortical vascular cognitive impairments, who had both WMH on MRI and amyloid deposition assessed by PiB PET. Twenty-two of these patients were APOE4 carriers (41.5%). In the APOE4 non-carriers, a significant positive correlation was shown between the volume of WMH and PiB retention (beta = 7.0x10(-3), p = 0.034) while no significant correlation was found in APOE4 carriers (beta = -9.0x10(-3), p = 0.085). Statistical parametric mapping analyses in APOE4 non-carriers showed that WMH were associated with PiB retention in the bilateral medial occipitotemporal gyrus, cuneus, and superior cerebellum. Our results suggested that WMH are correlated with amyloid burden especially in the posterior brain regions in APOE4 non-carriers. However, this correlation was not observed in APOE4 carriers, perhaps because in these subjects the influence of APOE4 overrides the effect of CVD.
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