Tongue xenografting and experimental lung metastasis experiments were performed as previously described (Goldie et al., 2012 (link)). Animal studies were subject to Cancer Research UK and King’s College London ethical review and performed in accordance with an approved UK Government Home Office license. A dox-rich diet (Harlan) was used to induce miR-203 expression in vivo. Bioluminescent imaging was conducted using a Xenogen IVIS 200 system (Perkin Elmer).
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