Different from the embryonic stem cell we talked about before, it's an example of an adult stem cell.
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。
Embryonic stem cells are the source of every cell, tissue and organ in the body.
身体中的每一个细胞，组织和器官都来源于胚性干细胞。
The research exemplifies the challenges of creating cell replacement therapies from embryonic stem cells.
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。
People are interested in embryonic stem cells because they have the potential to grow into any other type of body cell.
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。
A classic metaphor in biology pictures an embryonic cell at the top of a hill.
生物学里有一个经典的比喻：胚胎细胞就像山顶上的石块。
Last year a group at the University of Minnesota found a way to guide human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，明尼苏达大学的一个科研小组找出了一种可以引导人类胚胎干细胞，使其转化成强有力白细胞类型的方法，从而破坏肿瘤细胞。
Unlike embryonic cell cells, cord blood cells do not involve the destruction of an embryo.
与采集胚胎细胞不同，采集脐血细胞不会破坏胚胎。
Embryonic stem cell research is controversial because human embryos are destroyed in order to obtain the cells capable of developing into almost every tissue of the body.
胚胎干细胞的研究备受争议，原因是获得能够发育成为几乎人体所有组织的细胞，有损于人类胚胎。
In fact, the scientists had mapped only a certain portion of the epigenomes of two cell types (an embryonic stem cell and another basic cell called a fibroblast).
事实上，科学家仅仅绘制了两种细胞外基因的某一部分而已。
None of the Republican front-runners supports expanded funding for embryonic stem-cell research.
在竞选中遥遥领先的共和党候选人中无人支持加强对胚胎细胞研究的资助。
Researcher Rita Reijo Pera, of Stanford's Centre for Human Embryonic Stem Cell
斯坦福大学《人类胚胎干细胞研究中心》的研究员丽塔·雷约·佩拉认为，5年之后就能研制出治疗不育症的新药。
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。
Supports federal funding for embryonic stem cell research on embryos that would otherwise be discarded.
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。
All of which is a shame because, after a long period of lofty promises, embryonic-stem-cell science is starting to get interesting.
所有这一切都是一个耻辱，因为经过长时间的崇高承诺，胚胎干细胞科学开始变得有趣了。
Last year a group at the University of Minnesota found a way to guide into human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，美国明尼苏达大学的研究小组找到了一种办法，把人类胚胎干细胞引导成一种强有力的白细胞，这种白细胞会破坏肿瘤细胞。
Some researchers hope to use embryonic stem cell research to grow tissue and organs.
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。
The reason embryonic stem cells are valued by scientists is that the cells' descendants can turn into any other sort of body cell.
科学家们认为胚胎干细胞有价值是因为，胚胎干细胞可以发育成为任何其他种类的体细胞。
They thusshare their embryonic blood supplies. That allows them to exchange stem cells,which then develop into more specialised sorts of cell in their new bodies.
那样狨猴就能享用它们的血源供应, 也就允许他们能够相互转换干细胞, 进而演化成为其新生体中更加特别的细胞种类.
Proponents of embryonic stem-cell research point out that hordes of embryos are created during fertility treatment, and the vast majority of these are either frozen indefinitely or destroyed.
胚胎干细胞研究的支持者们指出人的晶胚是在生育过程中形成的，大多数晶胚不是被破坏就是不明原因地被冻结了。
Half of Europe is opposed to embryonic stem cell research.
半个欧洲反对胚胎干细胞的研究。
The court ruled in favor of a suit filed in June by researchers who said human embryonic stem cell research involves the destruction of human embryos.
法庭的这项裁决支持了科学家们在今年六月提交的一份申诉。他们认为在人类胚胎干细胞的研究中，存在着破坏人类胚胎的活动。
In 2001 George Bush issued a ban on federal funding of research on new embryonic stem-cell lines-a compromise that meant that scientists could only work with cells from the batches they already had.
2001年，乔治·布什颁发命令，禁止联邦资金支持新胚胎干细胞株的研究，这实际上是一种妥协，意味着科学家们只能对业已产生的胚胎干细胞进行研究。
For years, private financing has been used to create embryonic stem cell lines, mostly from discarded embryos from fertility clinics.
多年来，私人资金已用于制造胚胎干细胞系，绝大多数是从妇产科医院丢弃的胚胎中制造出来的。
Oddly enough, itwas one that most Americans support: it would have expanded federal funding for embryonic stem-cell research.
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。
WHY does embryonic stem-cell research cause such dramas?
为什么胚胎干细胞研究会引发这样一幕幕大戏？
Using viruses as carriers, they have introduced novel genetic material into embryonic prairie-vole cells, and then grown each modified cell into a complete animal.
她们使用病毒做为载体，将新的遗传物质载入草原田鼠的胚胎细胞。随后，培养这些经过修饰的胚胎细胞，使其发育成完整的草原田鼠。
Mr. Stoddart said he would be surprised if the judge’s ruling led to a complete ban on embryonic stem cell research.
斯托达特先生说，如果法官的判决导致全面禁止干细胞研究，他会感到震惊。
What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”
Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。
What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”
Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。
应用推荐