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NgR1 is an NK cell inhibitory receptor that destabilizes the immunological synapse

Cited 6 time in Web of Science Cited 6 time in Scopus

Oh, Se-Chan; Kim, Seong-Eun; Jang, In-Hwan; Kim, Seok-Min; Lee, Soo Yun; Lee, Sunyoung; Chu, In-Sun; Yoon, Suk Ran; Jung, Haiyoung; Choi, Inpyo; Doh, Junsang; Kim, Tae-Don

Issue Date
Nature Publishing Group
Nature Immunology, Vol.24 No.3, pp.463-473
The formation of an immunological synapse (IS) is essential for natural killer (NK) cells to eliminate target cells. Despite an advanced understanding of the characteristics of the IS and its formation processes, the mechanisms that regulate its stability via the cytoskeleton are unclear. Here, we show that Nogo receptor 1 (NgR1) has an important function in modulating NK cell-mediated killing by destabilization of IS formation. NgR1 deficiency or blockade resulted in improved tumor control of NK cells by enhancing NK-to-target cell contact stability and regulating F-actin dynamics during IS formation. Patients with tumors expressing abundant NgR1 ligand had poor prognosis despite high levels of NK cell infiltration. Thus, our study identifies NgR1 as an immune checkpoint in IS formation and indicates a potential approach to improve the cytolytic function of NK cells in cancer immunotherapy.
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  • College of Engineering
  • Department of Materials Science & Engineering
Research Area Ex Vivo Models, Lymphocyte Biology, Smart Biomaterials


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