A novel AbetaPP mutation exclusively associated with cerebral amyloid angiopathy.

Abstract:

:Mutations in AbetaPP cause deposition of Abeta amyloid fibrils in brain parenchyma and cerebral vessels, resulting in Alzheimer's disease (AD) and/or cerebral amyloid angiopathy (CAA). We report a novel mutation (L705V) within the Abeta sequence of AbetaPP in a family with autosomal dominant, recurrent intracerebral hemorrhages. Pathological examination disclosed severe CAA, without parenchymal amyloid plaques or neurofibrillary tangles. This variant highlights the vascular tropism of mutated Abeta, resulting in CAA instead of the pathological hallmarks of AD.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Obici L,Demarchi A,de Rosa G,Bellotti V,Marciano S,Donadei S,Arbustini E,Palladini G,Diegoli M,Genovese E,Ferrari G,Coverlizza S,Merlini G

doi

10.1002/ana.20571

keywords:

subject

Has Abstract

pub_date

2005-10-01 00:00:00

pages

639-44

issue

4

eissn

0364-5134

issn

1531-8249

journal_volume

58

pub_type

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