MUC1 and cancer: A study screened 19 different adjuvants for cancer antigens Mucin-1 (MUC1) peptide and GD3 ganglioside conjugated with carrier molecule keyhole limpet hemocyanin, and identified QS-21 to be the most potent adjuvant for lymphocyte proliferation, cytokine production, and antigen specific IgG and IgM titer induction (110).