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Published online 17 January 2005 | Nature | doi:10.1038/news050117-3
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Gene control hits new level
Tiny RNA molecules prove more influential than imagined.
More than one-third of human genes could be controlled by minuscule molecules called microRNAs. This claim by US scientists suggests that the molecules, which were first discovered in 2000, could play a role in almost every process from cell birth to cell death, and that they might even be useful in treating human disease.
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