IL-17A (Interleukin-17) protein was significantly increased by 145.7 % in AMD plasma compared to normal plasma: P = 0.0317; Normal plasma = 1 ± 0.2619 a.u.; AMD plasma = 2.457 ± 0.4793 a.u. (Figure 4I). This evidence concerns the gene IL17A and age-related macular degeneration.