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Dictionary of Cancer Terms

View in Spanish: Fosfatidilinositol-3 cinasa

Phosphatidylinositol-3 kinase (FOS-fuh-TY-dul-ih-NOH-sih-TOL-3 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 phosphatidylinositol-3 kinase. Also called PI3 kinase and PI3K.

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