NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,158 terms related to cancer and medicine.

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signal transduction inhibitor
(SIG-nul tranz-DUK-shun in-HIH-bih-ter)
A substance that blocks signals passed from one molecule to another inside a cell. Blocking these signals can affect many functions of the cell, including cell division and cell death, and may kill cancer cells. Certain signal transduction inhibitors are being studied in the treatment of cancer.