APP locus duplication causes autosomal dominant early-onset Alzheimer disease with cerebral amyloid angiopathy

被引:888
作者
Rovelet-Lecrux, A
Hannequin, D
Raux, G
Le Meur, N
Laquerrière, A
Vital, A
Dumanchin, C
Feuillette, S
Brice, A
Vercelletto, M
Dubas, F
Frebourg, T
Campion, D [1 ]
机构
[1] INSERM, U614, IFRMP, Fac Med, Rouen, France
[2] Univ Hosp, Dept Neurol, Rouen, France
[3] EFS Normandy, Lab Cytogenet, Bois Guillaume, France
[4] Univ Hosp, Dept Pathol, Rouen, France
[5] Univ Hosp, Dept Pathol, Bordeaux, France
[6] Salpetriere Hosp, INSERM, U679, Paris, France
[7] Univ Hosp, Dept Neurol, Nantes, France
[8] Univ Hosp, Dept Neurol, Angers, France
[9] CHSR, Dept Res, Sotteville Les Rouen, France
关键词
D O I
10.1038/ng1718
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
We report duplication of the APP locus on chromosome 21 in five families with autosomal dominant early-onset Alzheimer disease (ADEOAD) and cerebral amyloid angiopathy (CAA). Among these families, the duplicated segments had a minimal size ranging from 0.58 to 6.37 Mb. Brains from individuals with APP duplication showed abundant parenchymal and vascular deposits of amyloid-beta peptides. Duplication of the APP locus, resulting in accumulation of amyloid-beta peptides, causes ADEOAD with CAA.
引用
收藏
页码:24 / 26
页数:3
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