Two research teams in the US and Japan have made embryonic stem cells – or something very like them – directly from humanskin cells, without having to destroy an embryo in the process.
Two groups of scientists recently bypassed this problem by transforming humanskin cells into stem cells which had the same properties as embryonic stem cells.
最近两组科学家绕过这种问题，将人类皮肤细胞转化成为干细胞，这类干细胞具有胚胎干细胞相同特性。
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Humanembryonic stem cells can be used to produce skin grafts for people who have been seriously burned, shows a study published in The Lancet.