日本科学家上周五宣布他们已从智齿中提取到干细胞，此举为致命疾病的研究开拓出一条新路，毋须再因使用胚胎而惹起道德争议。

Japanese scientists said Friday they had derived stem cells from wisdom teeth, opening another way to study deadly diseases without the ethical controversy of using embryos.

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斯坦福大学《人类胚胎干细胞研究中心》的研究员丽塔·雷约·佩拉认为，5年之后就能研制出治疗不育症的新药。

Researcher Rita Reijo Pera, of Stanford's Centre for Human Embryonic Stem Cell

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通常一只还未出生的实验室老鼠很难引人关注，除非这个长毛的动物将是首个用干细胞培育出的老鼠（不涉及胚胎版细胞）。

The birth of yet another laboratory mouse is hardly worth noting — unless the furry creature is the first to be developed from stem cells that do not involve embryonic cells.

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