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antigen |
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antigenAny substance that causes the production of antibodies by the body's immune system. Common antigens include the proteins carried on the surface of bacteria, viruses, and pollen grains. The proteins of incompatible blood groups or tissues also act as antigens, which has to be taken into account in medical procedures such as blood transfusions and organ transplants. |
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Serologic tumor markers for alpha fetoprotein, cancer antigen 125, carcino-embryonic antigen, and human chorionic gonadotropin were low or normal. Cancer antigen 125 associated with multiple benign and malignant pathologies. Food and Drug Administration for diagnostic use, is designed to detect cancer antigen 125 ( |
cancer antigen 125
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