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Published online 10 November 2006 | Nature | doi:10.1038/news061106-17

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Stem cells fend off lung cancer

Cancer vaccine harnesses similarities between embryos and tumours.

Embryonic stem cells, the controversial and versatile cells that seem able to do just about anything, have now expanded their repertoire into cancer prevention. A vaccine made from these cells shields mice against developing lung cancer under conditions thought to mimic the effects of smoking.

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