Word: antigen
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Dates: during 1990-1999
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Garcea said in an interview yesterday that past research has implicated a protein, called a t-antigen, in all choriod plexus tumors in laboratory animals. The t-antigen has been shown to result from the expression of an SV40 DNA sequence...
...simple $50 test, based on a protein called prostate-specific antigen, or PSA, will soon be offered to men over 50 who are at special risk for the disease, including blacks and those with a family history of the ailment. Some experts contend that all older men should be tested. Predicts lead author Dr. William Catalona, at Washington University in St. Louis: "PSA should dramatically alter the statistics on prostate cancer...