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

Nature genetics (2005-12-22)
Anne Rovelet-Lecrux, Didier Hannequin, Gregory Raux, Nathalie Le Meur, Annie Laquerrière, Anne Vital, Cécile Dumanchin, Sébastien Feuillette, Alexis Brice, Martine Vercelletto, Frédéric Dubas, Thierry Frebourg, Dominique Campion
ABSTRACT

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.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Anti-APP antibody produced in rabbit, 1 mg/mL, affinity isolated antibody
REM 885, 06070401