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The double-edged role of IL-18 in reproductive endocrine and reproductive immune related disorders
Jing Shan1, Jie Ding2, Da-Jin Li1
1Laboratory for Reproductive Immunology, Key Laboratory of Reproduction Regulation of NPFPC, SIPPR, IRD, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
Abstract:
Interleukin (IL)-18 is one of the members of IL-1 family cytokines, it was originally named as interferon gamma (IFN-γ) inducing factor. IL-18 is a pleiotropic immune regulator and has a bidirectional regulatory effect on immunity. It exerts a potent pro-inflammatory effect by inducing the expression of IFN-γ, also has an important anti-inflammatory role. In recent years, IL-18 has received widespread attention and become a research hotspot. Previous studies have described the roles of IL-18 in the pathogenesis of many diseases. However, the biologic activities of IL-18 and its role in the reproductive endocrine and reproductive immune related diseases are still not well understood, such as endometriosis (EMS), recurrent spontaneous abortion (RSA), polycystic ovary syndrome (PCOS), and infertility, which are closely related to inflammation and immunity. Here, we reviewed the research progress of IL-18 in these diseases in the past few years. This article provides an overview of the latest knowledge about the roles of IL-18 in these diseases, with a view to providing new possibilities for the diagnosis and treatment of reproductive endocrine and reproductive immune related disorders.
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