- Periocular gene transfer of sFlt-1 suppresses ocular neovascularization and vascular endothelial growth factor-induced breakdown of the blood-retinal barrier. Gehlbach, P., Demetriades, A.M., Yamamoto, S., Deering, T., Xiao, W.H., Duh, E.J., Yang, H.S., Lai, H., Kovesdi, I., Carrion, M., Wei, L., Campochiaro, P.A. Hum. Gene Ther. (2003)