VEGF is essential for hypoxia-inducible factor-mediated neovascularization but dispensable for endothelial sprouting.
Oladipupo S, Hu S, Kovalski J, Yao J, Santeford A, Sohn RE, Shohet R, Maslov K, Wang LV, Arbeit JM. VEGF is essential for hypoxia-inducible factor-mediated neovascularization but dispensable for endothelial sprouting. Proc Natl Acad Sci U S A. 2011 Aug 09; 108(32):13264-9.