来自《耶鲁大学开放课程：生物医学工程探索 第23集 第23集》

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  It turns out this survival protein
  研究表明 这些存活蛋白
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  also encourages their formation into tube-like structures
  有助于形成这样的管状结构
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  that are starting to look like blood vessels.
  这种管状结构看上去很像血管
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  If you wait the proper period of time
  如果你培养适当的时间后
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  and then implant these gels into a mouse,
  将这些凝胶植入老鼠体内
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  so here they just made a small incision in the skin
  只需要在皮肤上切开一个小口
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  and slipped the gel underneath the skin and left it there,
  将凝胶滑入皮下 并让它停留在那里
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  then these tubes developed into blood vessels.
  这些管状结构就能发育为血管
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  Now that would be cool enough on its own,
  这本身就够酷的了
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  but it does something more,
  但它还能做到更多
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  in that this gel that's now
  这些充满血管的凝胶
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  filled with blood vessels does two things.
  能够做到两件事