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Peptide-Based Anticancer Vaccines: Recent Advances and Future Perspectives

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Abstract:

Anticancer active immunotherapy embodies the ideal antitumor therapy, as it theoretically combines target specificity with long-term disease control. Peptide-based cancer vaccines represent the most specific approach to polarize the immune system against malignant cells, since they are preparations made of single epitopes, the minimal immunogenic region of an antigen. Despite the strong rational, the promising preclinical results and the frequent induction of antigen- specific immune responses, peptide-based cancer vaccines have yielded relatively poor results in the clinical setting, a phenomenon likely due to the immunosuppressive properties of the tumor microenvironment that allow malignant cells to evade both naturally occurring and therapeutically induced immune surveillance. Nevertheless, advances in the engineering of peptides and in our understanding of the molecular mechanisms underlying an effective immune response against tumors have renewed the enthusiasm for peptide-based vaccination regimens in the setting of cancer, and a variety of clinical trials are being conducted based on the use of peptides. This review will describe the most recent insights in the rational design of peptide-based cancer vaccines, as well as the challenges to successful anticancer immunotherapy based on these short amino acid chains.

Keywords: Anticancer Vaccines; Peptide-Based

Document Type: Research Article

DOI: https://doi.org/10.2174/092986709789909648

Affiliations: Clinica Chirurgica Generale 2, Department of Oncological & Surgical Sciences, University of Padova, via Giustiniani 2, 35128 Padova, Italy.

Publication date: 2009-12-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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