Interleukin 6 receptor (IL6R), also known as CD126 (Cluster of Differentiation 126), is a type I cytokine receptor. This gene encodes a subunit of the interleukin 6 (IL6) receptor complex. Interleukin 6 is a potent pleiotropic cytokine that regulates cell growth and differentiation and plays an important role in the immune response. The IL6 receptor is a protein complex consisting of this protein and interleukin 6 signal transducer (IL6ST/GP130/IL6-beta), a receptor subunit also shared by many other cytokines. Dysregulated production of IL6 and this receptor are implicated in the pathogenesis of many diseases, such as multiple myeloma, autoimmune diseases and prostate cancer. Alternatively spliced transcript variants encoding distinct isoforms have been reported. A pseudogene of this gene is found on chromosome 9.
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Protein Aliases: CD126; CD126 antigen; gp80; IL 6 receptor subunit alpha; IL 6R 1; IL 6R alpha; IL 6R subunit alpha; IL 6RA; IL-6 R alpha; IL-6 receptor alpha chain; IL-6 receptor subunit alpha; IL-6R; IL-6R 1; IL-6R subunit alpha; IL-6R-alpha; IL-6RA; IL6RA; interleukin 6 receptor; interleukin 6 receptor, alpha; Interleukin-6 receptor subunit alpha; Membrane glycoprotein 80
Gene Aliases: CD126; gp80; IL-6R; IL-6R-1; IL-6RA; IL6Q; IL6R; IL6R1; IL6RA; IL6RQ