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ONX-0914, a selective inhibitor of immunoproteasome, ameliorates experimental autoimmune myasthenia gravis by modulating humoral response.
Ru-Tao Liu
1 ,
Peng Zhang
1 ,
Chun-Lin Yang
1 ,
Yu Pang
2 ,
Min Zhang
1 ,
Na Zhang
1 ,
Long-Tao Yue
3 ,
Xiao-Li Li
1 ,
Heng Li
1 ,
Rui-Sheng Duan
4
Oct 15 2017
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Abstract
Accumulating evidence shows that the immunoproteasome participates in the immune response, beyond its initial role in the protein degradation. Here, we tested the effects of the selective immunoproteasome inhibitor, ONX-0914, on experimental autoimmune myasthenia gravis (EAMG). We found that ONX-0914 ameliorated the severity of ongoing EAMG by reducing the autoantibody affinity, accompanied with decreased Tfh cells and antigen presenting cells. Also it reduced the percentage of Th17 cells and inhibited the secretion of IL-17. Our data indicated ONX-0914 may bring benefit for MG therapy.