vascular endothelial growth factor (vegf-a)

agerelated amd angiogenesis atomic atoms avastin axitinib bevacizumab biochemistry biotech biotechnology blood breast cancer chemical chemistry degeneration development embryo embryogenesis endothelial endothelium factor growth hypoxia inducible lucentis macular metastasis molecule neovascularization pazopanib pdb1tzi peptide protein ranibizumab receptor structure tumor vascular vasculogenesis vegf vessel