Lookup NU author(s): Dr Maria Margallo-Lana,
Dr Christopher Morris,
Dr Stephen Tyrer,
Dr Brian Moore,
Dr Clive Ballard
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Background: The amyloid precursor protein (APP) locus on chromosome 21 influences the development of Alzheimer disease. Method: The authors investigated the relationship between a tetranucleotide repeat on intron 7 of the APP gene and the age at onset of dementia in Down syndrome (DS). Results: There was a 13-year difference in the age at onset of dementia in DS associated with the number of tetranucleotide repeat alleles in APP. Conclusion: APP is an important locus predicting the age at onset of dementia in people with Down syndrome.
Author(s): Margallo-Lana M, Morris CM, Gibson AM, Tan AL, Kay DWK, Tyrer SP, Moore B, Ballard CG
Publication type: Article
Publication status: Published
ISSN (print): 0028-3878
ISSN (electronic): 1526-632X
Publisher: Lippincott Williams & Wilkins
PubMed id: 15184603
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