IFN-γ induced interferon-induced protein with tetratricopeptide repeats 5 (IFIT5), C-X-C Motif Chemokine Receptor 4 (CXCR4) and branched-chain amino acid aminotransaminase 1 (BCAT1) all promote cancer cell stemness and metastasis [82–84]. This evidence concerns the gene CXCR4 and cancer.