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Background
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Relevance: Inhibits the activity of interleukin-36 (IL36A,IL36B and IL36G) by binding to receptor IL1RL2/IL-36R and preventing its association with the coreceptor IL1RAP for signaling. Part of the IL-36 signaling system that is thought to be present in epithelial barriers and to take part in local inflammatory response, similar to the IL-1 system with which it shares the coreceptor. Proposed to play a role in skin inflammation. May be involved in the innate immune response to fungal pathogens. May activate an anti-inflammatory signaling pathway by recruiting SIGIRR. {ECO:0000269|PubMed:17908936, ECO:0000269|PubMed:18284608, ECO:0000269|PubMed:21860022, ECO:0000269|PubMed:21965679}.
Synonyms: IL-36Ra, IL-1HY1, Interleukin-1 delta, IL-1 delta, Interleukin-1 family member 5
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