To answer the first part of your question, yes many groups are studying this problem - for example, use of transient expression of VEGF in the surrounding are to stimulate de novo angiogenesis was a fairly common theme years ago.
You may wish to do a few literature searches on the subject and contact the groups directly, describing your ideas as to what you propose and how you may be better suited to achieve your goals. This will improve the possibility of a successful collaborative project.