Gb3/CD77 is also known by two other names: (1) Burkitt lymphoma antigen, as it is found in many Burkitt lymphoma cancer cells [98], and (2) Pk blood group antigen, which belongs to the human P1PK blood group system consisting of three glycosphingolipid antigens (PK, P1, and NOR). This evidence concerns the gene A4GALT and cancer.