NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,359 terms related to cancer and medicine.

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interferon
(in-ter-FEER-on)
A type of protein that helps the body’s immune system fight infection and other diseases, such as cancer. Interferons are made naturally by white blood cells and other cells in the body, but they can also be made in the laboratory to use as treatments for different diseases. There are three main types of interferons: interferon-alfa, -beta, and -gamma. An interferon is a type of cytokine and type of biological response modifier.