Mesenchymal stem cells transmigrate between and directly through tumor necrosis factor-α-activated endothelial cells via both leukocyte-like and novel mechanisms

间充质干细胞通过类似白细胞的机制和新机制在肿瘤坏死因子-α激活的内皮细胞之间迁移并直接穿过内皮细胞