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.