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Dictionary of Cancer Terms

View in Spanish: Ciclooxigenasa-2

Cyclooxygenase-2 (SY-kloh-OK-sih-jeh-NAYS 2)
An enzyme that speeds up the formation of substances that cause inflammation and pain. It may also cause tumor cells to grow. Some tumors have high levels of cyclooxygenase-2 and blocking its activity may reduce tumor growth. Also called COX-2 and prostaglandin-endoperoxide synthase 2.

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