(F) In vivo primary tumor growth derived from BT549 cells containing iNT-shRNA and iMIG-6-shRNA (n=7 per group). The arrow indicates the time point when the diet was given to induce MIG-6 knockdown in vivo. Volumes of iNT-shRNA and iMIG-6-shRNA BT549 tumors are presented as mean ± SEM. 