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He heads the first-ever clinical trial of umbilical cord stem cells with cerebral palsy patients.
VOA: special.2011.02.01
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This process is called self-renewal, so that's one important process of property stem cells, that they're capable of self-renewal.
这种过程称为自我更新,所以这是干细胞的一个重要性质,它们能够自我更新
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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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For some people, policies about stem-cell research, same-sex marriage and abortion rights threaten religious beliefs.
VOA: special.2009.05.22
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Pluripotent stem cells that are capable of self-renewal to generate themselves and are capable of dividing into both bioloid and lymphoid progenitor cells.
多能干细胞,是能够通过自我更新进行自我生成的细胞,也能分化成髓系祖细胞,或者淋巴祖细胞
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Seventy-seven percent said not enough women and minorities are working in STEM professions today.
VOA: special.2010.04.01
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Study the best and as one of the students here, Mariam -- came to me after the class and she said, " "the tip of the stem is actually about democratizing excellence."
研究最好的，正如Mariam同学-,课后找到我时说的，“流行学术其实是要将杰出大众化“
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Stem rust produces reddish-brown spots on the stems of infected plants.
VOA: special.2009.08.18
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That's a lot of what stem cell biology is like - is about.
干细胞生物学的著作有很多
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(SAYING...) Nearly two-thirds of those polled said women and minorities in STEM careers were under-represented in their companies or institutions.
VOA: standard.2010.03.26
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It's no longer capable of self-renewal to form another stem cell.
不再能自我更新,从而生成另一个干细胞了
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In order to attract the rabbit's own stem cells to re-grow the cartilage, channels in the scaffold were filled with a growth factor protein.
VOA: standard.2010.08.11
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The other one is a committed progenitor cell that now somehow has been changed in such a way that it's going to mature and develop into non-stem cells or the cells that make up our bodies, somatic cells.
而另一个子细胞就通过某种变化,成了定向的祖细胞,并将成熟和发育为非干细胞的细胞,就是构成我们身体的细胞,体细胞
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In addition to her research and teaching, Fuchs serves as president of the American Society for Cell Biology, and is president-elect of the International Society for Stem Cell Research.
VOA: standard.2010.03.29
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Those are called embryonic stem cells, they are self-renewing, and they are pluripotent, meaning they have many potencies.
这些称为胚胎干细胞,它们可以自我更新,且是多能干细胞,即它们有多种潜能
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She said the Obama administration intends to devote hundreds more agents and more effective equipment to stem gun-running across the border and curb illegal purchases in U.S.gun shops by so-called "straw men" fronting for Mexican criminals.
VOA: standard.2009.03.25
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This pluripotent stem cell is able to self-renew and it's able - generating committed progenitors of either the myeloid or the lymphoid lineage.
这种多能干细胞能自我更新,也可以生成定向祖细胞,可以是髓系祖细胞或者淋巴祖细胞
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At a similar gathering last year, members of the so-called G20 set of advanced economies agreed on emergency spending to stem a global crisis brought on by the collapse of U.S.investment bank Lehman Brothers in late 2008.
VOA: standard.2010.06.05
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The result is a cell that's very similar but it is - very similar to the progenitor cell but it's exactly the stem cell.
另一个结果就是产生一个,很像祖细胞的细胞,但却是如假包换的干细胞
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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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Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.
这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器
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