NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,800 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.

beclin 1
(BEH-klin …)
A protein involved in autophagy (the process by which a cell destroys proteins and other substances in its cytoplasm). Beclin 1 is found at lower levels in several types of cancer cells than in normal cells. It is a type of tumor suppressor.