A previous study, investigating CCR5 knockout (CCR5−/−) and wild‐type (CCR5+/+) mice, reiterated the important role of CCR5 in melanoma progression, as apoptosis, inhibition of NF‐κB and upregulation of IL‐1Rα was observed in CCR5‐deficient mice.51 Here, CCR5 is linked to melanoma.