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Nature Medicine 13, 890 - 891 (2007)
Published online: 31 August 2007 | doi:10.1038/nm0807-890b

UK set to reverse stance on research with chimeras

Michael Hopkin1

  1. London


Lawmakers are expected to reopen the debate in September.


UK scientists who aim to use chimeras—hybrid embryos containing both human and animal material—for their research are awaiting a decision that would legalize their experiments.In December 2006, the UK government proposed a total ban on the creation of any hybrid embryo containing human material, even for research purposes, but relented after an outcry from research organizations and political watchdogs.