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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 ?
The lack of specificity has stimulated investigators to find ways for improving the discrimination between HLA-B27 and cross-reacting antigens [4, 6, 7, 10, 11].
The third paragraph of discussion of the original paper (3) states: "There could be a true biologically low rate of Hib meningitis in children in this region, related to (a) genetic factors in local children, resulting in reduced infection rates, (b) early exposure to Haemophilus and other bacteria with cross-reacting antigens, leading to early natural immunity, (c) local variation in bacterial virulence and transmission, or (d) to vaccine use.
coli O157:H7 via cross-reacting antigens from other intestinal organisms rather than exposure of the population to E.
The authors conclude that possible exposure to cross-reacting antigens in these subjects could be the reason for finding this response in their sera, and a possible protection against colonization and disease associated with O157:H7 strains.