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Cell-Death-Associated Molecular Patterns As Determinants of Cancer Immunogenicity
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Edité par CCSD ; Mary Ann Liebert -
International audience. Significance: Accumulating evidence indicates that the success of some anticancer treatments (select che-motherapies or radiotherapy or trastuzumab) could be related to the stimulation of an anticancer immune response through the induction of an immunogenic tumor cell death (ICD). Recent Advances: Preclinical data revealed that dying tumor cells can emit a series of danger signals (so-called ''cell-death-associated molecular patterns'' (CDAMP)) that will dictate the recruitment and activation of specific inflammatory phagocytes. Hence, tumor cells succumbing to ICD are characterized by specific metabolic and molecular changes that will trigger a hierarchy of polarizing cytokine-producing cells, culminating in the recruitment and reactivation of antitumor interferon-c-producing effector T cells which contribute to the success of cytotoxic treatments. Critical Issues: In this review, we summarize the molecular and cellular bases of this ICD, underscoring the crucial role of high mobility group box 1 protein (HMGB1) and adenosine tri-phosphate, both of which are released from dying tumor cells during ICD and are implicated in the chemotherapy-elicited anticancer immune response. Future Directions: We discuss here how such CDAMP could serve as predictive biomarkers that could discriminate immunogenic from nonimmunogenic anti-cancer compounds, and, in case of deficiency, could be compensated by surrogate products to ameliorate the success rate of conventional anticancer treatment modalities. Antioxid. Redox Signal. 00, 000-000.
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