| 1. | One issue in using uniparental es cells for tissue transplants is their durability and safety
使用单系胚胎干细胞进行组织移植中的问题便是其耐用性和安全性。 |
| 2. | This unambiguously proes that the transplanted uniparental cells could produce hematopoietic stem cells
这毫无疑问的证明了移植单系干细胞可以生成造血干细胞。 |
| 3. | The scientists found that uniparental es cells , regardless of parent - of - origin , were able to functionally reconstitute the entire hematopoietic system of adult mice
科学家发现单系胚胎干细胞，不管其亲代来源，可以在功能上重建成年小鼠的整个造血系统。 |
| 4. | Howeer , uniparental es cell research faces the biological hurdle of genomic imprinting , in which specific gene expression patterns are dictated by the parental origin
然而，单系胚胎干细胞研究面临着基因组印迹的生物学障碍，即特殊的基因表达模式受原始亲代的控制。 |
| 5. | Uniparental cells only hae the imprinting marks for one parental type ( or " from one parent " ) with unknown consequences if harested and transplanted into adults
单系细胞只有来自一个亲代的印迹标记类型（或来自一个亲代）并且在繁殖并移植到成年个体后可能带来未知的后果。 |
| 6. | Since uniparental es cells are not deried from iable embryos , their haresting and use sidesteps many of the ethical concerns that plague traditional es cell therapies
既然单系胚胎干细胞不是从可繁育的胚胎中获得，它们的收集和使用可以避开许多困扰着传统胚胎干细胞治疗的伦理学关注。 |
| 7. | The researchers took a two - step approach : first they injected uniparental es cells into wild - type blastocyts to generate chimeric animals ; then they harested these chimeric fetal liers for transplant into lethally irradiated hosts
研究人员采取了两步骤的方法：首先，他们将单系胚胎干细胞注入野生型的胚细胞培育嵌合体动物；然后收集嵌合体胚胎肝脏移植入受致命性辐射照射的宿主。 |
| 8. | Furthermore , the scientists were also able to grow progenitor blood cells in culture from uniparental es cells , and upon transplant into irradiated adult mice , show that these cells contribute , long - term , to the function of their hematopoietic system
此外，科学家还能够利用单系胚胎干细胞在培养基中培育血液祖细胞，在移植入辐射照射的成年小鼠后，发现这些细胞对造血系统功能产生长期的作用。 |
