First, they used genetic tools to deactivate cell receptors-molecules that send and receive signals to and from other cells-for testosterone and estrogen in the developing limb buds of mouse embryos.
首先，他们用基因手段禁止了细胞受体的活动——细胞受体即那些向其他细胞发送和从其他细胞接受信号的分子们——因为雌激素和雄激素存在于正在发育的老鼠胚胎的肢芽中。
Meanwhile, Evans discovered that stem cells could be extracted from mouse embryos and cultivated to grow into any cell type.
与此同时，埃文斯发现可以从小鼠胚胎中提取干细胞，并可培养成所有类型的细胞。
Objective To isolate and culture mouse embryonic stem cell from embryos of mouse.
目的从大鼠的早期胚胎分离和培养胚胎干细胞。
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