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Published online 17 January 2003 | Nature | doi:10.1038/news030113-8
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Diabetes therapy called into question.
Stem cells may impersonate pancreas by absorbing, not making insulin.
Scientists working on stem cells to treat diabetes could be following a misleading method, say a group of US scientists.
The technique in question is thought to convert malleable stem cells taken from embryos into pancreatic cells that make insulin, the hormone that diabetics lack.
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