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Biology

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Biology

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Biotechnology

How Embryonic Stem Cells Become Specialized

Description

Embryonic stem cells are pluripotent cells that have not yet specialized. Pluripotent means they can give rise to many different cell types in the body. Because of this, they are useful in science and medicine for making cells needed in research or for replacing cells lost to damage or disease.

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Transcript

胚胎干细胞或ES细胞

是未分化的细胞

来自胚泡的内细胞团

一个三到五天大的胚胎

它们是多能的

意味着它们可以产生体内

所有不同的细胞类型

从血液到脑细胞

所以它们在科学和医学中途

具有广泛的潜在用

它们被移除并在培养基中生长

在里面可以无限分裂

产生新的干细胞

通过操纵培养条件

例如通过添加某些生长因子

可以诱导细胞分化成

特定细胞类型

这些新细胞可能...