GAITHERSBURG, Md.--(BUSINESS WIRE)--GenVec, Inc. (Nasdaq:GNVC) announced today that it has received a grant from the National Eye Institute (NEI), of the National Institutes of Health (NIH), to explore mechanisms regulating pigment epithelium-derived factor (PEDF), a key regulator of blood vessel growth in the eye. This grant valued at approximately $546,000 over two years, will support research being conducted at GenVec.