A newly developed urine test may help to screen for prostate cancer. The test uses a new technology called polymerase chain reactions (PCR) to check urine samples for hypermethylation at a gene known as glutathione-S-transferase, since it has been found to be present in more than 90% of prostate cancers. Urine tests are already in use for screening for bladder and kidney cancer.
Journal of the AMA April 26, 2000
Original Article
I am not certain if this test is commercially available. One of the areas that traditional medicine excels in is diagnostic medicine. PCR tests are some of the best in laboratory medicine as they are able to identify such incredibly small levels of the substance being measured.
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