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Early and late onset Alzheimer's disease patients have distinct patterns of white matter damage.
MedLine Citation:
PMID:  21074899     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We investigated patterns of white matter (WM) loss in 18 early onset (EO) and 24 late onset (LO) Alzheimer's disease (AD) patients compared with 42 healthy controls (HC), and explored relationships of WM atrophy and apolipoprotein E (ApoE) genotype. Subjects underwent magnetic resonance imaging (MRI). Patterns of WM were assessed using voxel-based morphometry. Compared with healthy controls, LOAD patients had a selective parahippocampal WM loss, while EOAD patients experienced a more widespread pattern of posterior WM atrophy. The distinct regional distribution of WM atrophy reflected the topography of gray matter (GM) loss. ApoE ε4 status was associated with a greater parahippocampal WM loss in both AD groups. The greater WM atrophy in EOAD than LOAD fits with the evidence that EOAD is a more aggressive form of the disease. The ApoE ε4 effect on WM damage in AD is restricted to specific WM regions and does not seem to be related to age of onset.
Authors:
Elisa Canu; Giovanni B Frisoni; Federica Agosta; Michela Pievani; Matteo Bonetti; Massimo Filippi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2010-11-11
Journal Detail:
Title:  Neurobiology of aging     Volume:  -     ISSN:  1558-1497     ISO Abbreviation:  Neurobiol. Aging     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8100437     Medline TA:  Neurobiol Aging     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Affiliation:
Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University, Ospedale San Raffaele, Milan, Italy.
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