It is surprising that inhibition of CXCL1, which is also a CXCR2 agonist similar to CXCL2 [31], exerted no inhibitory effects on the tumor suppression (Figure 3B) and neutrophil infiltration (Supplementary Figure S9) induced by HVJ-E+poly I:C treatment. Here, CXCL2 is linked to neoplasm.