Vascular endothelial growth factor (VEGF) is a signal protein produced by cells that stimulates vasculogenesis and angiogenesis. It is part of the system that restores the oxygen supply to tissues when blood circulation is inadequate.

Inhibition of vascular endothelial growth factor-induced angiogenesis suppresses tumour growth in vivo
Vascular endothelial growth factor induced by hypoxia may mediate hypoxia-initiated angiogenesis.
Vascular endothelial growth factor is a secreted angiogenic mitogen
The biology of vascular endothelial growth factor.
Vascular endothelial growth factor (VEGF) and its receptors
Molecular and biological properties of vascular endothelial growth factor
Expression of vascular permeability factor (vascular endothelial growth factor) by human corpus luteal cells: Possible role in corpu...
Activity of SU11248, a multitargeted inhibitor of vascular endothelial growth factor receptor and platelet-derived growth factor rec...
Vascular endothelial growth factor: basic science and clinical progress
Prognostic value of vascular endothelial growth factor expression in gastric carcinoma