CXCL9 and neoplasm: Moreover, IL-17-producing αβ T cells stimulate the release of several cytokines (such as IL-6, IL-12, CXCL9, and CXCL10) by immune or cancer cells, leading to DC maturation or effector T cell recruitment to the tumor, and as a consequence, to an increase of the anti-tumor immunity (119, 120) (Figure 1B).