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IL-17RD (Sef or IL-17RLM) interacts with IL-17 receptor and mediates IL-17 signaling 被引量:6
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作者 Zhili Rong Anan Wang +8 位作者 Zhiyong Li Yongming Ren Long Cheng Yinghua Li Yinyin Wang Fangli Ren Xiaoning Zhang Jim Hu Zhijie Chang 《Cell Research》 SCIE CAS CSCD 2009年第2期208-215,共8页
Interleukin-17 (IL-17 or IL-17A) production is a hallmark of TH17 cells, a new unique lineage of CD4^+ T lymphocytes contributing to the pathogenesis of multiple autoimmune and inflammatory diseases. IL-17 receptor... Interleukin-17 (IL-17 or IL-17A) production is a hallmark of TH17 cells, a new unique lineage of CD4^+ T lymphocytes contributing to the pathogenesis of multiple autoimmune and inflammatory diseases. IL-17 receptor (IL-17R or IL-17RA) is essential for IL-17 biological activity. Emerging data suggest that the formation of a heteromeric and/or homomeric receptor complex is required for IL-17 signaling. Here we show that the orphan receptor IL-17RD (Sef, similar expression to FGF genes or IL-17RLM) is associated and colocalized with IL-17R. Importantly, IL-17RD mediates IL-17 signaling, as evaluated using a luciferase reporter driven by the native promoter of 24p3, an IL-17 target gene. In addition, an IL-17RD mutant lacking the intraeellnlar domain dominant-negatively suppresses IL-17R- mediated IL-17 signaling. Moreover, IL-17RD as well as IL-17R is associated with TRAF6, an IL-17R downstream molecule. These results indicate that IL-17RD is a part of the IL-17 receptor signaling complex, therefore providing novel evidence for IL-17 signaling through a heteromeric and/or homomeric receptor complex. 展开更多
关键词 IL-17RD SEF IL-17 IL-17R IL-17 signaling heteromeric receptor complex TH17
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