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antigens

Cultural  
  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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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They say vaccines today are more precise and stimulate the immune system with fewer antigens than vaccines in the past while protecting against more diseases.

From The Wall Street Journal Aug. 10, 2026

Dendritic cell vaccines are created by collecting immature immune cells from a patient's blood and growing them in the laboratory alongside antigens taken from that patient's tumor.

From Science Daily Jan. 16, 2026

Illumination with red light is designed to rupture the cell, releasing cancer antigens that may activate the body’s immune system to fight the cancer.

From The Wall Street Journal Jan. 8, 2026

"There is really intense immune activation when you treat innate immune cells with this formulation, which triggers these cells to present antigens and prime tumor-killing T cells."

From Science Daily Oct. 13, 2025

No one, in fact, can lay claim with certainty to his own mind with anything like the specificity stipulated by fingerprints or tissue antigens.

From "The Lives of a Cell" by Lewis Thomas

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