人类胚胎干细胞又被称为“万能细胞”。它能被培养为人类的几乎各种组织和器官的细胞 ,在医学和生物学上具有巨大潜力 ,因而受到各国的高度重视。在这一领域 ,世界性的研究开发竞争正在迅速展开。日本为了在未来的这一市场中占据尽可能大的份额 ,正制定法规 ,采取联合攻关的形? Human embryonic stem cells are also called “universal cells.” It can be cultivated as a cell of almost all kinds of tissues and organs of human beings. It has enormous potential in medicine and biology and is therefore highly valued by various countries. In this field, the worldwide competition for research and development is rapidly developing. In order to occupy the largest possible share of this market in the future, Japan is formulating regulations and adopting a joint research plan.