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Interleukin 10 (IL-10) is a protein that inhibits the synthesis of a number of cytokines, including IFN-gamma, IL-2, IL-3, TNF, and GM-CSF produced by activated macrophages and by helper T cells. In structure, IL-10 is a protein of about 160 amino acids that contains four conserved cysteines involved in disulphide bonds. [ 33 ]
IL-18 is known as a factor that induces the production of interferon gamma (IFN-γ). [29] It is a pro-inflammatory cytokine that shares similar biological effects to IL-12 and structural forms with the IL-1 family. Together with IL-12 it mediates cellular immunity. It binds to the IL-18Rα receptor.
Cytokines have been shown to be involved in autocrine, paracrine and endocrine signaling as immunomodulating agents. Cytokines include chemokines, interferons, interleukins, lymphokines, and tumour necrosis factors, but generally not hormones or growth factors (despite some overlap in the terminology) [citation needed].
IL-25 is produced by many cell types. These cells include T cells, dendritic cells, macrophages, mast cells, basophils, eosinophils, epithelial cells and Paneth cells. [13] [14] This cytokine can induce NF-κB activation, and stimulate the production of IL-8 (named also CXCL8), which is the major chemotactic substance of neutrophils. [6]
This can be resulted from an allergic reaction brought about when facing an Ala gene. IL-13 also binds to another receptor known as IL-13Rα2. [11] IL-13Rα2 (which is labelled as a decoy receptor) is derived from Th2 cells and is a pleotropic immune regulatory cytokine. [11] IL-13 has greater affinity (50-times) to IL-13Rα2 than to IL-13Ra1. [11]
Interleukin 23 (IL-23) is a heterodimeric cytokine composed of an IL-12B (IL-12p40) subunit (which is shared with IL-12) and an IL-23A (IL-23p19) subunit. [1] IL-23 is part of the IL-12 family of cytokines. [2] The functional receptor for IL-23 (the IL-23 receptor) consists of a heterodimer between IL-12Rβ1 and IL-23R. [3]
Interleukin 10 (IL-10), also known as human cytokine synthesis inhibitory factor (CSIF), is an anti-inflammatory cytokine. In humans, interleukin 10 is encoded by the IL10 gene. [ 5 ] IL-10 signals through a receptor complex consisting of two IL-10 receptor-1 and two IL-10 receptor-2 proteins. [ 6 ]
Interleukin-29 (IL-29) is a cytokine and it belongs to type III interferons group, also termed interferons λ (IFN-λ). IL-29 (alternative name IFNλ1) plays an important role in the immune response against pathogenes and especially against viruses by mechanisms similar to type I interferons, but targeting primarily cells of epithelial origin and hepatocytes.