IL31 and atopic eczema: Some previous studies have shown that interleukin-31 (IL-31), a newly discovered, T-cell-derived, short-chain member of the alpha-helical family of IL-6 cytokines, and its receptor components: IL-31Rα and OSMR, could be a key cytokine pathway responsible for itch accompanying some inflammatory skin conditions, such as atopic dermatitis [9–11].