NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,779 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- proteasome inhibitor
- listen (PROH-tee-uh-some in-HIH-bih-ter)
- A drug that blocks the action of proteasomes. A proteasome is a large protein complex that helps destroy other cellular proteins when they are no longer needed. Proteasome inhibitors are being studied in the treatment of cancer.