NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,804 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.
- ecteinascidin 743
- listen (ek-TIH-nuh-SY-din …)
- A substance that comes from a type of sea squirt and is being studied in the treatment of cancer. It binds to DNA and causes breaks in the DNA. It also blocks the ability of the cell to repair the DNA damage, and may cause cancer cells to die. Ecteinascidin 743 is also made in the laboratory. It is a type of DNA excision repair inhibitor. Also called ET-743 and trabectedin.