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Feola S, Hamdan F, Russo S, Chiaro J, Fusciello M, Feodoroff M, Antignani G, D'Alessio F, Mölsä R, Stigzelius V, Bottega P, Pesonen S, Leusen J, Grönholm M, Cerullo V. Novel peptide-based oncolytic vaccine for enhancement of adaptive antitumor immune response via co-engagement of innate Fcγ and Fcα receptors. J Immunother Cancer 2024; 12:e008342. [PMID: 38458776 DOI: 10.1136/jitc-2023-008342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND Cancer immunotherapy relies on using the immune system to recognize and eradicate cancer cells. Adaptive immunity, which consists of mainly antigen-specific cytotoxic T cells, plays a pivotal role in controlling cancer progression. However, innate immunity is a necessary component of the cancer immune response to support an immunomodulatory state, enabling T-cell immunosurveillance. METHODS Here, we elucidated and exploited innate immune cells to sustain the generation of antigen-specific T cells on the use of our cancer vaccine platform. We explored a previously developed oncolytic adenovirus (AdCab) encoding for a PD-L1 (Programmed-Death Ligand 1) checkpoint inhibitor, which consists of a PD-1 (Programmed Cell Death Protein 1) ectodomain fused to an IgG/A cross-hybrid Fc. We coated AdCab with major histocompatibility complex (MHC-I)-restricted tumor peptides, generating a vaccine platform (named PeptiCab); the latter takes advantage of viral immunogenicity, peptide cancer specificity to prime T-cell responses, and antibody-mediated effector functions. RESULTS As proof of concept, PeptiCab was used in murine models of melanoma and colon cancer, resulting in tumor growth control and generation of systemic T-cell-mediated antitumor responses. In specific, PeptiCab was able to generate antitumor T effector memory cells able to secrete various inflammatory cytokines. Moreover, PeptiCab was able to polarize neutrophils to attain an antigen-presenting phenotype by upregulating MHC-II, CD80 and CD86 resulting in an enhanced T-cell expansion. CONCLUSION Our data suggest that exploiting innate immunity activates T-cell antitumor responses, enhancing the efficiency of a vaccine platform based on oncolytic adenovirus coated with MHC-I-restricted tumor peptides.
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Affiliation(s)
- Sara Feola
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Firas Hamdan
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Salvatore Russo
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Jacopo Chiaro
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Manlio Fusciello
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Michaela Feodoroff
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Gabriella Antignani
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Federica D'Alessio
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Riikka Mölsä
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Virpi Stigzelius
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Paolo Bottega
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | | | - Jeanette Leusen
- Center for translational immunology, UMC Utrecht, Utrecht, The Netherlands
| | - Mikaela Grönholm
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
| | - Vincenzo Cerullo
- University of Helsinki Faculty of Pharmacy, Laboratory of Immunovirotherapy, Drug Research Program Helsinki, Uusimaa, FI, Helsinki, Finland
- Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland, Helsinki, Finland
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, Helsinki, Finland
- Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, Helsinki, Finland
- Department of Molecular Medicine and Medical Biotechnology and CEINGE, Naples University Federico II, Naples, Italy
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