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。

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Wilmut maintains that cloning animals has tremendous potential for helping people.

威尔莫特坚持认为，克隆动物具有帮助人类的巨大潜力。

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British biological geneticists Wilmut cloned a sheep successfully. the birth of the cloned sheep "Dolly" shocked the world.

英国生物遗传学家维尔·穆特成功地克隆出了一只羊。克隆羊“多莉”的诞生震惊了世界。

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But Ian Wilmut, who created Dolly the sheep, says Advanced Cell's work on cows is encouraging.

FORBES: Dolly The Sheep Dies

As Dr Wilmut points out, that would make transplanting tissues created this way into people too risky to contemplate.

ECONOMIST: Human embryonic stem cells

Dr Ian Wilmut, who created Dolly, the world's first cloned sheep, said it took 277 tries to get it right.

CNN: Team to attempt human cloning