Neovascularization Article 4 animal experiment 4 animal model 4 controlled study 4 female 4 human 4 male 4 mouse 4 nonhuman 4 protein expression 4 vasculotropin 4 Tumor 3 22,23 dihydroxystigmast 4 en 3 one 2 3beta, bromo 5alpha,22,23 trihydroxystigmastan 6 one 2 Animals 2 Antiangiogenic activity 2 Bagg albino mouse 2 Blotting, Western 2 Cell Line 2 Cell Survival 2 Corneal Neovascularization 2 Galectin-1 2 HUVEC 2 Herpetic keratitis 2 Human Umbilical Vein Endothelial Cells 2 Humans 2 Keratitis, Herpetic 2 Male 2 Mice 2