Cancer/testis antigen 12.1 antibody, CT12.1 antibody, G antigen family D 2 protein antibody, G antigen family D member 2 antibody, GAGD2_HUMAN antibody, GAGED2 antibody, Protein XAGE-1 antibody, X antigen family, member 1 antibody, XAGE1A antibody, XAGE1B antibody, XAGE1C antibody, XAGE1D antibody, XAGE1E antibody