It would be some time before the cells could be used in patients, Wilmut said, because scientists have yet to find reliable ways of making different tissues from stem cells.

• 维尔莫特最后说，这些干细胞用于治疗还将有一段时间，因为科学家们尚未找到将干细胞培育成不同人体组织的一个可靠方法。