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Korean scientists clone 30 human embryos

BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7437.421 (Published 19 February 2004) Cite this as: BMJ 2004;328:421
  1. Tim Radford
  1. Seattle

    South Korean scientists based at the Seoul National University stirred up a storm worldwide last week when they announced in the online edition of the journal Science that theyhad derived a line of pluripotent embryo stem cells from one of 30 cloned blastocysts created by somatic cell nuclear transfer. In other words, they had created the first human cloned embryos (www.sciencemag.org/cgi/content/abstract/1094515).

    Until last week, the consensus among cloning scientists had been that humans—and other primates—might prove much more difficult to clone than mice or sheep.

    The team was …

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