Figure 2: Summary of the selective cytokine interactions in surgical trauma [2,14]. PGE2: Prostaglandin E2; TGFβ: Transforming Growth Factor; IL-1: Interleukin1; IL-2: Interleukin-2; IL-4: Interleukin 4; IL-6: Interleukin 6; IL-8: Interleukin 8; IL-10: Interleukin 10; IFNγ: Gamma Interferon; Th1: T helper lymphocyte subset 1; Th2: T helper lymphocyte subset 2.