Friday, March 26, 2010


In order to survive, grow, or spread, tumors need a continuous supply of oxygen and nutrients, which they get by creating their own network of blood vessels. This process is called angiogenesis (an’-gee-o-jen’-i-sis). Avastin is thought to work by blocking a protein released by both normal cells and cancer cells that helps cause angiogenesis. This protein is called VEGF and is produced throughout the life of the tumor. By controlling the growth of blood vessels, Avastin can starve your cancer of the nutrients and oxygen it needs to grow and spread. This is why Avastin is a tumor-starving therapy.

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