antigens

1. Substances that are foreign to the body and cause the production of antibodies. Toxins, invading bacteria and viruses, and the cells of transplanted organs can all function as antigens.

Example Sentences

The first phase of testing used a vaccine with known antigens designed for melanoma.

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One avenue for this ambition is cell receptors, which function like ignition slots on a cell, requiring keys -- such as specific hormones, drugs, or antigens -- to start up specific cellular activities.

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All cancers -- particularly immune-silent, fast-growing cancers like glioblastoma -- produce signals called antigens that scientists can use in immune therapies to manually alert the immune system to the presence of incognito cancers.

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The new vaccine combines the traditional pertussis antigens with an innovative adjuvant called T-vant, which boosts the body's immune response specifically in the respiratory tract.

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Each contains different antigens and antibodies, meaning that receiving blood from the wrong group can be life-threatening.

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