Moreover, the TNF‐α‐enhanced expressions of CXCR2 (Fig. 2C), CXCR3 (Fig. 2D) and CXCL5 (Fig. 2E) were confirmed in von Hippel‐Lindau (VHL) wild‐type and mutated RCC cells. This evidence concerns the gene CXCL5 and renal cell carcinoma.