However, the claim that XMRV is preferentially found in prostate tumours from patients homozygous for the R462Q variant [3] is not borne out by the second prostate cancer study to find XMRV in patients [4], nor was the genetic variant detected in CFS patients carrying XMRV [5]. (journals.plos.org)
The DNA of BKV has been discovered in several types of human cancers including prostate tumours, and mouse studies suggest the virus can trigger cancer. (newscientist.com)
Prostate tumours rely on male hormones called androgens to grow and spread, and blocking androgen receptors can be an effective treatment. (sciencedaily.com)