In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page


NCI Dictionary of Cancer Terms

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.