Feeding AJ2 alone, or injecting super-charged NK cells in the absence of tumor implantation, or feeding AJ2 with implantation of tumors, or injecting super-charged NK cells and feeding AJ2 all increased the levels of IFN-γ in the serum of the hu-BLT mice moderately when compared to control mice in the absence of any treatments. This evidence concerns the gene IFNG and neoplasm.