布朗的案例，为建立基因改造干细胞来彻底治愈HIV铺平了道路。
Brown's case paves a path for constructing a permanent cure for HIV through genetically-engineered stem cells.
通过跟踪研究经过基因改造的蝾螈的单个细胞，对于它们失去的肢体再生这种貌似神奇的能力，研究人员找到了一个出乎意料的解释。
By tracking individual cells in genetically modified salamanders, researchers have found an unexpected explanation for their seemingly magical ability to regrow lost limbs.
他成功地对老鼠的结缔组织细胞进行了基因改造，使它们发育成为心肌细胞，并已经在患有心脏病的老鼠的心脏上对这些细胞进行了测试。
He has managed to reprogram mouse connective-tissue cells so that they develop into cardiac muscle cells, and has tested them in the hearts of mice that have had heart attacks.
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