In another aspect, the agent comprises one or more than one peptide which comprises a cytotoxic T lymphocyte epitope that binds 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 {HEAD ~ a human} to elicit an HTL response 
In another aspect , the agent comprises one or more than one peptide which comprises a cytotoxic T lymphocyte epitope that binds 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 { HEAD ~ 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 OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH