Metformin: a case of divide and conquer

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Metformin is a widely prescribed anti-diabetic drug and its use is associated with lower cancer incidence. The mechanisms by which metformin attenuates tumorigenesis are not clearly understood. In a paper published in Proceedings of the National Academy of Sciences of the United States of America, Hirsch and colleagues show that metformin interferes with a signaling pathway, mediated by the transcription factor NF-κB, which drives cell transformation and is required for the maintenance of cancer stem cells.

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Volume 15
Issue number 2
Pages 306
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