Lung metastatic burden in MDA231-LM2 or SUM159-LM1 tumor-bearing mice treated with JNKi. Quantification of lung metastases. FOV, field of view; LS, lung section. Each value represents the mean ± SEM. For metastatic foci per FOV, 8-10 fields were quantified per mouse. MDA231-LM2 tumor-bearing mice: n = 6 mice per group. SUM159-LM1 tumor-bearing mice, vehicle n = 8 mice; JNKi n = 7 mice. 