New findings complicate recent evidence for a viral link to prostate cancer. linkurl:Recent studies;http://www.the-scientist.com/news/display/55966/ have found the virus, called xenotropic murine leukemia virus-related virus (XMRV), in a disproportionate number of cancer tissue samples in men with prostate cancer, but the linkurl:latest report,;http://www.retrovirology.com/content/6/1/92 published today (October 16) in Retrovirology, detected no sign of XMRV in tissue samples from almost 600 prostate cancer patients.
"The association [of XMRV] to prostate cancer will require many large screening studies done on various populations across the world," linkurl:Joseph DeRisi,;http://www.hhmi.org/research/investigators/derisi_bio.html a biochemist and biophysicist at the University of California, San Francisco, who was not involved in the study, said in an email. "This would be one of many, and I don't expect everyone to get the same results." Prostate cancer is one of the leading causes of cancer deaths in men, but researchers have a limited understanding of what triggers it....
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