Neutrophils are recruited to glioma inflammatory regions by chemokines such as CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, IL-8 (CXCL8), and IL-1β, which are secreted by glioma cells [78]. This evidence concerns the gene CXCL6 and central nervous system cancer.