作者: Yonglian Sun , Patrick Caplazi , Juan Zhang , Anita Mazloom , Sarah Kummerfeld
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摘要: Paired Ig-like type 2 receptor (PILR)α inhibitory and its counterpart PILRβ activating are coexpressed on myeloid cells. In this article, we report that PILRα, but not PILRβ, is elevated in human rheumatoid arthritis synovial tissue correlates with inflammatory cell infiltration. Pilrα(-/-) mice produce more pathogenic cytokines during inflammation prone to enhanced autoimmune arthritis. Correspondingly, engaging PILRα anti-PILRα mAb ameliorates mouse models suppresses the production of proinflammatory cytokines. Our studies suggest mediates an important pathway can dampen responses.