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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...
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