Breast cancer cells promote formation of new vessels with endothelial cells different from the normal ECs in character and behavior.

• 共培养后的内皮细胞有明显的趋瘤特征和血管新生能力,推测活体内乳腺癌生长中通过对相邻内皮细胞的作用促进血管新生且新生血管的内皮细胞性质与行为不同于正常内皮细胞。