NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,992 terms related to cancer and medicine.

gene expression profile
(jeen ek-SPREH-shun PROH-file)
A laboratory test that identifies all of the genes in a cell or tissue that are making messenger RNA. Messenger RNA molecules carry the genetic information needed to make proteins. A gene expression profile may be used to find and diagnose a disease or condition or to see how well the body responds to treatment.