fig3
Figure 3. VEGF was originated from macrophage. (A) Concentration of VEGF in supernatants of THP-1-derived macrophages, lung fibroblast cell line HFL-1, and lung epithelium-derived adenocarcinoma cell line A549 stimulated with LPS or not; (B) Immunohistochemistry staining of VEGF of lungs in the control or macrophage-depleted mice.