Those efforts offer a model for regulation of stem-cell therapies.

这些努力为今天干细胞疗法的准则提供了范本。

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However, in some cases, the cells formed clumps of cancerous tissue called teratomas, a major safety concern with stem cell therapies.

然而，某些情况下，这些细胞形成了称作畸胎瘤的癌变肿块，这也是干细胞疗法的一个主要安全问题。

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It is hoped the discovery could lead to the creation of stem cell therapies for re-growing bone and tissue, and also for conditions such as arthritis.

我们希望这个新发现能为干细胞治疗骨质和组织再生，还有其他疾病(比如关节炎)翻开崭新的一页。

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We hope that we can get not just Church leaders, but also ministers of health and the scientific community to work together to advance the research and transfer stem-cell therapies safely from the laboratory to the clinic.

FORBES: Vatican Stem Cell Conference Gets Thin Coverage

And they say that their focus on old-fashioned medicines, not newfangled cell-based therapies, is a big advantage over previous stem cell firms.

FORBES: Regenerators

These disease-specific stem cell lines will also be invaluable in testing out new therapies.

BBC: Embryonic stem cells can be turned into any kind of cell