Androgen receptor CAG repeat polymorphism is associated with fat-free mass in men.


The human androgen receptor (AR) gene contains a CAG (glutamine) repeat polymorphism in exon 1 that is inversely associated with transcriptional activity of the AR. We studied the association of AR CAG repeat length, fat-free mass (FFM), and testosterone in two independent cohorts: 294 Caucasian men, aged 55-93 yr, from the Study of Osteoporotic Risk in Men… (More)


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