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Published online 26 September 2007 | Nature | doi:10.1038/news070924-7
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Tiny RNAs, big problems
Spread of breast cancer to other body parts is linked to microRNA.
The smallest bit of genetic material may cause the deadliest of tumours. Researchers have implicated a tiny RNA molecule in the invasive spread of breast cancer — the factor responsible for most deaths from the disease.
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