Additionally, an analysis of seven SNPs (rs733618, rs4553808, rs11571317, rs5742909, rs231775, rs3087243, and rs7565213) in melanoma patients treated with CTLA-4 blockade revealed that specific SNPs, such as rs4553808, rs11571327, and rs231775, were linked to treatment response. Here, CTLA4 is linked to melanoma.