Abstract
Besides killing tumor cells directly, some chemotherapies, such as anthracyclines, also activate the immune system to kill tumors. Vacchelli et al . discovered that in mice, anthracycline-induced antitumor immunity requires immune cells to have the protein formyl peptide receptor 1 (FPR1). Dendritic cells (DCs) near tumors had especially high amounts of FPR1. DCs normally capture fragments of dying tumor cells and use them to activate nearby T cells to kill tumors, but DCs lacking FPR1 failed to do this effectively. Individuals with breast or colon cancer expressing a variant of FPR1 and treated with anthracyclines showed poor metastasis-free and overall survival. Thus, FPR1 may affect antitumor immunity in people, too. E. Vacchelli, Y. Ma, E. E. Baracco, A. Sistigu, D. P. Enot, F. Pietrocola, H. Yang, S. Adjemian, K. Chaba, M. Semeraro, M. Signore, A. De Ninno, V. Lucarini, F. Peschiaroli, L. Businaro, A. Gerardino, G. Manic, T. Ulas, P. Gunther, J. L. Schultze, O. Kepp, G. Stoll, C. Lefebvre, C. Mulot, F. Castoldi, S. Rusakiewicz, S. Ladoire, L. Apetoh, J. M. Bravo-San Pedro, M. Lucattelli, C. Delarasse, V. Boige, M. Ducreux, S. Delaloge, C. Borg, F. Andre, G. Schiavoni, I. Vitale, P. Laurent-Puig, F. Mattei, L. Zitvogel, G. Kroemer, Chemotherapy-induced antitumor immunity requires formyl peptide receptor 1. Science 350 , 972–978 (2015). [Abstract][Full Text]
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