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Neurosci Lett. 2003 Apr 10;340(2):87-90.

Association of the androgen receptor CAG repeat polymorphism with Alzheimer's disease in men.

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  • 1Oxford Project to Investigate Memory and Ageing, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK.


We examined the CAG repeat polymorphism in exon 1 of the androgen receptor (AR) in an Oxford cohort of 150 cases (101 men) of definite or probable Alzheimer's disease (AD) and 190 elderly controls (140 men). We found that short alleles (< or = 20 CAG repeats) were associated with AD (adjusted odds ratio = 2.5, 95% confidence intervals: 1.2-5.0) in men, but not in women. This association appeared stronger in early-onset AD (< 65 years). We conclude that this AR polymorphism is of potential relevance to the risk of AD in men.

Copyright 2003 Elsevier Science Ireland Ltd.

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