Word: antigenic
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Dates: during 1990-1999
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...blood test to detect prostate cancer in its very earliest stages works far better than old-fashioned, unpleasant rectal examinations. In a recent study the newer method, called a prostate-specific antigen test, detected almost twice as many tumors as a manual exam...
...body's often violent response to spring is actually a reaction to specific chemicals on pollen known as allergens. Common allergies are the result of hyper-sensitivity to a rather innocuous antigen...
...will allow themselves to be poked, prodded and bled in hopes of being reassured of their good health or of spotting trouble before it gets serious. In addition to the rectal exam, men can undergo a new blood test that measures levels of a protein called prostate-specific antigen. If present in large quantities, PSA may signal malignancy. The goal is to detect cancer while it is still confined to the prostate and therefore more likely to be curable. Men can call the American Cancer Society at 800-ACS-2345 for a listing of local screening sites...
...pediatrician said that early use of transgenic mice, into whose gametes the sequence coding for the t-antigen was inserted, led to the conclusion that SV40 was involved when all of the animals developed the tumors...
Eventually, using DNA probing techniques on 31 pediatric tumor samples, Garcea showed that a large fraction of the samples reacted with the sequence for the SV40 t-antigen...