In this context, several DNA, RNA, and synthetic peptide vaccines have been produced to stimulate the immune system against TAA, including cancer-testis antigens, such as MAGE-A1, differentiation antigens, including tyrosinase-related protein-2 (TRP-2) and Melan-A/MART-1, and viral antigens, such as HPV [26]. The gene discussed is DCT; the disease is cancer.