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Τετάρτη 11 Ιουλίου 2018

ACPA mediates the interplay between innate and adaptive immunity in rheumatoid arthritis

Publication date: Available online 11 July 2018

Source: Autoimmunity Reviews

Author(s): Xiwen Dong, Zhaohui Zheng, Yue Zhai, Yan Zheng, Jin Ding, Jianli Jiang, Ping Zhu

Abstract

The production of anti-citrullinated peptide antibodies (ACPAs) requires the participation of both innate immunity and adaptive immunity. On the one hand, activated innate immunity is able to produce citrullinated auto-antigens that fuel autoimmunity and provide an inflammatory environment that facilitates the breach of self-tolerance, proliferation of self-reactive T/B cells and the production of ACPAs. On the other hand, after their production by plasma B cells, ACPAs are also able to interact with innate immunity to exacerbate the manifestation and chronicity of rheumatoid arthritis (RA). This article discusses the roles of citrullinated peptides and ACPA played in innate immunity and autoimmunity. In addition, we emphasise the relationships between environmental factors and innate immunity, as well as the pathogenic function of ACPAs per se. In doing so, we hope to provide fundamental knowledge of RA pathogenesis and reveal potential therapeutic targets in RA treatment.



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