Recently, pDCs have been shown to traffic to tumor tissues and secrete chemokines such as C-X-C motif ligand 9 (CXCL9) and CXCL10, which recruit T cells to the tumor.4 Type I interferons can also directly increase the cytotoxicity and survival of CD8 +T cells.5 This evidence concerns the gene CXCL10 and neoplasm.