Additional file 2: of TGF-β signaling promotes tumor vasculature by enhancing the pericyte-endothelium association

Figure S2. (A) Gross appearance of tumors: Images were taken at the time of necropsy in accordance with rules and recommendations of IACUC. Right images show enlargements of tumor-alone or tumor-fibroblast xenografts. Arrows show curly blood vessels; two stars show hemorrhages; a star shows blood leakages. (B) Semi-quantitative analysis of hemorrhage, an indicator of leaky blood vessels, was performed using H&E stained sections of the tumor-fibroblast co-xenografts, 5 tumors/group. **, P