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They're controversial, I think for obvious reasons, because you have to sacrifice an embryo in order to get them.
这些研究极富争议,我想原因很明显,因为你必须牺牲一个胚胎来取得干细胞
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stem cell researchers have found a way to get perfectly usable stem cells from fully grown human beings.
干细胞研究者已经找到了一种方法，
可以从成年人身上获取可用的干细胞。
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If we understood them well enough we could potentially make any particular kind of cell in the body from those pluripotent cells.
如果我们能研究得足够透彻,我们就有可能利用这些多能干细胞,制造我们体内任何特定的细胞
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But from what I know, generally the more religious groups tend to be opposed to stem cell research,
但是一般来说，就我所知越是反对干细胞研究的人，
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So the major controversy behind stem cell research, at least as far as I understand it,
干细胞研究背后的主要争议，就我的理解来说，
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That's been looking at blood stem cells has been a very fruitful way to look for that.
在血液干细胞的研究中,看起来是个有前途的路子
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It turns out that blood within the umbilical cord is also a rich source of stem cells and again specific to a particular patient.
研究发现脐带血中,也有丰富的干细胞资源,并且对一些特殊的病人有特别的意义
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As we've found cells from adult organisms that seem to be multipotential and studied them more carefully, some of their potentials turn out to be lost, they're not exactly the same.
因为我们在成人机体中找到,这些看上去是多能干细胞的细胞后,仔细研究后发现它们的一些潜能已经丢失,和胚胎中的那些并不一样
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The other way that they define - or find stem cells is that over the years of studying them we've begun to recognize some of the proteins, the specific proteins that are produced by these characteristic cells.
而另外一种能让研究人员定位,或者找到干细胞的方法就是,多年研究后,我们开始能识别一些蛋白,这些特定的蛋白是由,这种特殊的细胞生成的
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Can you explain to us about stem cell research and why it's so controversial?
你能跟我们解释一下干细胞研究，
以及为什么这项研究会受到这么多的争议吗？
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So probably the, the most common example of Bio-Engineering is stem cell research,
可能最常见的生物工程案例就是干细胞的研究了，
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stem cell research can go on without the ethical dilemma provided by killing embryos.
干细胞研究者可以免受由于杀死胚胎而带来的道德困境。
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Why do you think some people are against stem cell research?
为什么某些人会反对干细胞研究呢？
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Now, in the process of doing that they found some very rare stem cells that are called pluripotent, pluri just means many potencies.
如今在这种研究进行的过程中,他们发现了一些非常稀少的干细胞,称为多能干细胞,pluri这个前缀就是指很多能力
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