The drug turns on the gene that stimulates production of vascular endothelial growth factor.

FORBES: Gene Drugs For Untreatable Diseases

The VEGF gene is so-called because it controls production of a substance known as vascular endothelial growth factor.

BBC: Scientists 'wake' heart muscle

Avastin does this by inhibiting a protein called the vascular endothelial growth factor.

FORBES: Magazine Article

Avastin works by inhibiting a protein called the vascular endothelial growth factor (VEGF).

FORBES: Magazine Article

By blocking a protein called the vascular endothelial growth factor (VEGF), it prevents arteries from growing around tumors, literally starving them.

FORBES: Genentech's Rite Of Spring