At the end of the study, mammary xenograft tumors of LV-SLFN12 demonstrated a higher SLFN12 expression (53.32 ± 7.92-fold versus 1.01 ± 0.07-fold in empty vector tumor, n = 3, p < 0.01) (Figure 1C). This evidence concerns the gene SLFN12 and neoplasm.