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Related to class I antigen: major histocompatibility complex, HLA complex
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  • noun

Words related to antigen

any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

References in periodicals archive ?
He suggests cancer cells may evade the host immune system by omitting one group of these proteins, called class I antigens, from cell surfaces.
Another approach to the problem is to enhance the immune system's sensitivity to the scarce class I antigens that may be present on malignant cells.