VEGF secretion is derived from uNK cells (when stimulated by IL IL IL, 12, 15, 18, 27, from the Stromal cell secrete IL) and is responsible for helping to improve the offensive and create a new blood line.
VEGF is secreted by uNK cells (when stimulated by IL 15, IL 12, IL 18, IL 27 secreted by Stromal cell) and the placenta is responsible for development and the creation of new blood vessels.