In another aspect, the agent comprises one or more than one peptide which comprises a cytotoxic T lymphocyte epitope that binds {HEAD ~ an HLA class II molecule} in {TAIL ~ a human} to elicit a CTL response to 251P5G2 and one or more than one peptide which comprises a helper T lymphocyte epitope which binds an HLA class II molecule in a human to elicit an HTL response 
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In another aspect , the agent comprises one or more than one peptide which comprises a cytotoxic T lymphocyte epitope that binds { HEAD ~ an HLA class II molecule } in { TAIL ~ a human } to elicit a CTL response to 251P5G2 and one or more than one peptide which comprises a helper T lymphocyte epitope which binds an HLA class II molecule in a human to elicit an HTL response
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH