The vessels stained positive for antibodies to human endothelial cells, again showing that some of the cells had to come from the tumor.
这些血管对人类内皮细胞抗体呈阳性，再一次证明了一些血管细胞来自肿瘤自身。
2
Objective: To explore the role of vascular endothelial cells and fibroblasts derived from tumors in the tumor angiogenesis in solid tumors.
目的：探讨肿瘤血管内皮细胞和成纤维细胞在肿瘤血管形成中的作用。
3
Vascular endothelial growth factor (VEGF) and its receptor play a critical role in tumor associated angiogenesis and has become the new targets of anti tumor therapy.