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Dictionary of Cancer Terms

View in Spanish: Cinasa PI3

PI3 kinase ( KY-nays)
A type of enzyme that transmits signals in cells and that helps control cell growth. Some tumors have higher-than-normal levels of PI3 kinase. Also called phosphatidylinositol-3 kinase and PI3K.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.