Dendritic cells (DCs) exhibit a specialized antigen-presenting function and play crucial roles in both innate and adaptive immune responses. Due to their ability to cross-present tumor cell-associated antigens to naive T cells, DCs are instrumental in the generation of specific T-cell-mediated antitumor effector responses in the control of tumor growth and tumor cell dissemination. Within an immunosuppressive tumor microenvironment, DC antitumor functions can, however, be severely impaired. In this review, we focus on the mechanisms of DC capture and activation by tumor cell antigens and the role of the tumor microenvironment in shaping DC functions, taking advantage of recent studies showing the phenotype acquisition, transcriptional state and functional programs revealed by scRNA-seq analysis. The therapeutic potential of DC-mediated tumor antigen sensing in priming antitumor immunity is also discussed.
Dendritic cell subsets in cancer immunity and tumor antigen sensing / Del Prete, Annalisa; Salvi, Valentina; Soriani, Alessandra; Laffranchi, Mattia; Sozio, Francesca; Bosisio, Daniela; Sozzani, Silvano. - In: CELLULAR & MOLECULAR IMMUNOLOGY. - ISSN 2042-0226. - 20:(2023), pp. 432-447. [10.1038/s41423-023-00990-6]
Dendritic cell subsets in cancer immunity and tumor antigen sensing
Del Prete, AnnalisaPrimo
;Soriani, Alessandra;Laffranchi, Mattia;Sozio, FrancescaPenultimo
;Sozzani, Silvano
Ultimo
2023
Abstract
Dendritic cells (DCs) exhibit a specialized antigen-presenting function and play crucial roles in both innate and adaptive immune responses. Due to their ability to cross-present tumor cell-associated antigens to naive T cells, DCs are instrumental in the generation of specific T-cell-mediated antitumor effector responses in the control of tumor growth and tumor cell dissemination. Within an immunosuppressive tumor microenvironment, DC antitumor functions can, however, be severely impaired. In this review, we focus on the mechanisms of DC capture and activation by tumor cell antigens and the role of the tumor microenvironment in shaping DC functions, taking advantage of recent studies showing the phenotype acquisition, transcriptional state and functional programs revealed by scRNA-seq analysis. The therapeutic potential of DC-mediated tumor antigen sensing in priming antitumor immunity is also discussed.File | Dimensione | Formato | |
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