| 摘要 |
The invention relates generally to the treatment and prevention of human cancer and viral diseases. More specifically, this invention relates to development of a new generation of vaccines that rely on eliciting cellular immune responses, specifically induction of cytotoxic T lymphocytes (CTL), against cancer cells and virus-infected cells via administration of a vaccine comprising a fusion peptide or a modified peptide. Such a fusion peptide is composed of an insertion signal sequence and a peptide derived from a tumor antigen or a viral antigen, which improves antigen presentation and induces CTL with higher efficiency against cancer cells and virus-infected cells. An exemplary antigen utilized in the invention is HER2/neu. The peptides peptide vaccines of the invention are derived from the antigens PRAME, OFA/iLRP, STEAP and SURVIVIN.
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