VEGFA and neoplasm: Co-culture of human MDA-MB-231 tumor cells with mouse BAC1.2F5 macrophages (Fig. 3A) or culture of BAC1.2F5 macrophages with conditioned media collected from serum-starved MDA-MB-231 tumor cells (Fig. 3B), resulted in increased secretion of VEGF-A by the mouse-derived macrophages.