胚胎干细胞如此让人激动是因为它的天然功能就是分化成身体所有的细胞。
Why people are so excited about embryonic stem cells is because in nature they become all the cells of the body.
和我们之前谈到的胚胎干细胞有所不同，这是一个成人干细胞的例子。
Different from the embryonic stem cell we talked about before, it's an example of an adult stem cell.
半个欧洲反对胚胎干细胞的研究。
胚胎干细胞可以分化成多种组织类型。
Stem cells found in embryos can spin off a wide range of tissue types.
他采用胚胎干细胞对阿茨海默症进行研究。
He USES embryonic stem cells in his research on Alzheimer's disease.
胚胎干细胞有可能复制任何类型的人体组织。
Embryonic stem cells have the potential to replicate any type of bodily tissue.
为什么胚胎干细胞研究会引发这样一幕幕大戏？
那么，我们就应该从表层细胞中提取胚胎干细胞。
So we need to get embryonic stem cells to form surface cells.
该团队目前正努力在人体胚胎干细胞上再续成功。
The team is now working on doing the same with human embryonic stem cells.
通过这种组合改变的细胞同样具备胚胎干细胞的特征。
Cells transmuted by this combination also have the characteristics of embryonic stem cells.
目前，人类的胚胎干细胞通常来自于多余的IVF胚胎。
At the moment human embryonic stem cells usually come from surplus IVF embryos.
这意味着再生医学在缺少胚胎干细胞的情况下也是可能的。
This means regenerative medicine is still a possibility without the need for embryonic stem cells.
有的科研人员希望能够利用胚胎干细胞来培养组织和器官。
Some researchers hope to use embryonic stem cell research to grow tissue and organs.
其他象英国、中国等国家都热衷于进行胚胎干细胞的研究。
Other countries, such as Britain and China, are enthusiastically experimenting on embryonic stem cells.
美国开始了世界上第一例正式的胚胎干细胞疗法临床试验。
The world's first official trial using human embryonic stem cells for clinical treatment has begun in the United States.
胚胎干细胞有变成任意类型细胞的潜能，这种特性叫多潜能。
Embryonic stem cells have the potential to be any type of cells, a characteristic known as pluripotency.
该研究充分体现了从胚胎干细胞创造细胞替换疗法的挑战性。
The research exemplifies the challenges of creating cell replacement therapies from embryonic stem cells.
支持联邦资助那些在本会丢弃的胚胎上进行的胚胎干细胞研究。
Supports federal funding for embryonic stem cell research on embryos that would otherwise be discarded.
很多人反对使用胚胎干细胞，还有许多国家限制这类实验的资金。
Many people also object to using human embryonic stem cells and many countries limit funding for such experiments.
非常奇怪，大多数美国人都赞成增加联邦对胚胎干细胞研究的投入。
Oddly enough, itwas one that most Americans support: it would have expanded federal funding for embryonic stem-cell research.
人们之所以对胚胎干细胞感兴趣是因为它可以生成任意形式的体细胞。
People are interested in embryonic stem cells because they have the potential to grow into any other type of body cell.
奥巴马上任伊始，就提高了美国对使用胚胎干细胞进行医学研究的限制。
One ofBarack Obama's first acts as president was lifting the U.S. restrictions onmedical research using embryonic stem cells.
但是最终证明，美国以外的研究人员将热衷于加紧使用胚胎干细胞的研究。
However this turns out, researchers outside America will be keen to take up any slack in work using embryonic stem cells.
胚胎干细胞研究在医疗领域被寄予厚望，因为他们能培育成任何形式的组织。
Embryonic stem cells are prized in medical research because they can develop into any kind of tissue.
IPS细胞的实用性既没有消除胚胎干细胞研究的需求，也没有替代人体受试者。
And the availability of IPS cells neither obviates the need for embryonic stem cell research nor replaces human subjects.
IPS细胞的实用性既没有消除胚胎干细胞研究的需求，也没有替代人体受试者。
And the availability of IPS cells neither obviates the need for embryonic stem cell research nor replaces human subjects.
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