In the future, the benefits of these "fit" genes might be extended to the general population through gene therapy-the use of pharmaceuticals to change the DNA structure of a living person.
在未来，这些“适应”基因将通过基因疗法推广到普通大众——通过使用药品改变活人的DNA结构。
2
The lack of a safe, efficient delivery system for DNA has been a major barrier to clinical use of gene therapy.
缺乏安全、有效的DNA传送系统一直以来是临床基因治疗应用的主要障碍。
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James Bond: a clinic specializing in gene therapy - new identities courtesy of DNA transplants.