Abstract:CD40 signaling in conventional type 1 dendritic cells (cDC1s) is required for CD8 T cell-mediated tumor rejection, but the underlying mechanisms are incompletely understood. Here, we identified CD40-induced genes in cDC1 and examined their contributions to anti-tumor immunity. cDC1-specific inactivation of CD70 and COX-2, and global CD27 inactivation, only partially impaired tumor rejection or tumor-specific CD8 T-cell expansion. Loss of 4-1BB, alone or in Cd27−/− mice, did not further impair anti-tumor immuni… Show more
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