他们发现,那些染色体的形态和肿瘤自身细胞的完全相同,说明至少一些血管细胞是来自肿瘤内部的。
They found patterns exactly like those in cells from the tumor itself, suggesting that at least some of the blood vessel cells came from the tumor.
下一步就是使得到的干细胞不再有多出来的那条来自卵细胞的染色体。
The next step is to try to create stem cells without the leftover chromosomes from the egg.
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。
The vessels stained positive for antibodies to human endothelial cells, again showing that some of the cells had to come from the tumor.
All these cells come from the bone marrow and biologists have traced the formation of these cells in great detail.
所有这些细胞都来自骨髓,而生物学家已经很详细地,研究了这些细胞的形成过程
It's a switch that from outside can be used to change the life of a cell.
这种来自外源的变化能够改变细胞的状态
Those billions of cells come from successive rounds of cell division.
这数以十亿计的细胞,都来自一次次的细胞分裂
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