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2002 NOV 21 - (NewsRx.com & NewsRx.net) -- From general screening to specific genotyping, new techniques are making it possible to predict risk of developing cancer, identify its presence, and gauge the odds of relapse after treatment.
At the "Era of Hope" Department of Defense Breast Cancer Research Program meeting here, investigators presented studies of a sensitive test for trace proteins linked to the disease and a telltale genetic profile for inherited breast cancer.
Researchers have developed a prototype for a simple test that can rapidly screen tiny samples of tissue for "biomarkers" of breast cancer - proteins that signal the presence or recurrence of the disease, according to research presented here.
"This technology allows for the simultaneous testing of many proteins using a very small sample of blood or tissue," said Richard C. Zangar, PhD, senior research scientist at the Department of Energy's Pacific Northwest National Laboratory in Richland, Washington. The test uses existing technology, which makes it readily transferable to the clinical setting, he added.
Zangar and his colleagues demonstrated the sensitivity of the test by using it to ...