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Stem cells: Egg engineers

A Correction to this article was published on 04 September 2013

This article has been updated

In a technical tour de force, Japanese researchers created eggs and sperm in the laboratory. Now, scientists have to determine how to use those cells safely — and ethically.

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Change history

  • 28 August 2013

    This article originally wrongly stated that second-generation primordial germ cells (PGCs) are often not normal — they usually are. It is first-generation PGCs that often display abnormalities. The text has now been corrected to reflect this.

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Cyranoski, D. Stem cells: Egg engineers. Nature 500, 392–394 (2013). https://doi.org/10.1038/500392a

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