Gene therapy is being developed not only to treat inherited diseases such as cystic fibrosis and hemophilia, but also to grow new blood vessels for heart disease patients as an alternative to dangerous bypass surgery.

• 基因疗法的发展不仅能治疗像膀胱壁纤维变性、血友病这样的遗传病，还能通过培育新血管为心脏病人避免危险的旁支手术增加一种选择的机会。