Word: cancer
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...edition of the journal Nature, however, a new study links specific molecules produced by the body to the aggressive form of the disease, suggesting that detecting these molecules could one day to lead to a reliable diagnosis of prostate cancer and a prognosis for patients...
Using new scanning-and-detection technology, scientists looked at more than 1,000 metabolites - naturally occurring products of cell metabolism - and found that about 10 were often present in high levels in samples of blood, tissue and urine taken from patients with aggressive prostate cancer...
...This is proof of principle that we can identify metabolites ... that might be correlated with aggressive prostate cancer vs. slower-growing prostate cancer," Arul Chinnaiyan of the University of Michigan Medical School, who led the study, said in a prepared statement...
...Cancer of the prostate is the most common type among men in the developed world. In the U.S., where 186,000 people receive the diagnosis each year, only skin cancer is more common. But despite its prevalence, the lack of a fail-safe test is a frustration to physicians. Currently, older men at risk of prostate cancer undergo a PSA test, which detects a protein called prostate-specific antigen in the blood. Men who have elevated PSA levels, which may indicate cancer, undergo invasive biopsies but often end up not having the disease at all. Even when the biopsy finds...
...main issues with prostate cancer is trying to distinguish aggressive prostate cancer that goes on to metastasize from the slow-growing version of the disease, and what we end up doing as physicians is overtreating our patients because we can't distinguish between them," Chinnaiyan said...