目的研究低氧培养心肌细胞分泌出的血管内皮生长因子(VEGF)蛋白对培养内皮细胞增殖和移行的影响。
Objective To study the effects of VEGF secreted by hypoxia-cultured cardiomyocytes on proliferation and migration of cultured human umbilical vein endothelial cells (HUVECs).
转移行为的发生是因为动物有两种相互冲突的驱动力——两种相互矛盾的冲动，在这种情况下，就是恐惧和饥饿。
Displacement occurs because the animal's got two conflicting drives—two competing urges, in this case, fear and hunger.
转移肿瘤细胞——那些从原肿瘤中扩散出来的细胞——比其他细胞移行速度更快。
Metastatic tumour cells—those which have spread from the site of the original tumour—migrate faster than other cells.
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