endostatin

Definition / meaning of endostatin

A substance being studied in the treatment of cancer. Endostatin is made from a type of collagen (a protein found in cartilage and other connective tissue). It may prevent the growth of new blood vessels that tumors need to grow. Endostatin is a type of antiangiogenesis agent. Also called COL18A1.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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