7/28/2009

Adenocarcinoma patients who have never smoked, especially those who carry mutations in the epidermal growth factor receptor gene, have higher levels of a molecule, microRNA miR-21, than smokers with this type of lung cancer, U.S. and Japanese scientists found. The study suggests "that there can be an effective treatment for nonsmokers whose adenocarcinoma shows miR-21 elevation," they said.

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