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Stem cells

Recycling the abnormal

Using human eggs in the quest to make donor-specific embryonic stem cells is controversial. A method developed in mice, if applicable to humans, could eliminate the need to obtain eggs for this purpose.

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Figure 1: Somatic-cell nuclear transfer using abnormal embryos.

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Colman, A., Burley, J. Recycling the abnormal. Nature 447, 649–650 (2007). https://doi.org/10.1038/447649a

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