The other GGC trinucleotide repeats range from 10 to 30; the effect of the variation in the length of the GGC tract on AR activity is unclear, but it has been thought that it has a role in the transcriptional activity of the AR gene, but the repeat did not show any significant frequency differences between patients with BPH or PrCa and healthy controls (Alptekin et al., 2012). Here, AR is linked to benign prostatic hyperplasia.