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Acetylcholine Receptor Antibody Neutralization and Selective B-Cell Suppression Using Fc Fusion Protein Akiyuki Uzawa 1 , Junji Yamashita 2 , Satoshi Kuwabara 1 1Department of Neurology, Graduate School of Medicine, Chiba University 2Neuroscience Drug Discovery Unit, Research, Takeda Pharmaceutical Company Limited Keyword: 重症筋無力症 , 融合蛋白 , 革新的治療 , B細胞 , 動物モデル , myasthenia gravis , fusion protein , novel treatment pp.69-72
Published Date 2024/1/1
DOI https://doi.org/10.11477/mf.1416202560
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Abstract

Myasthenia gravis (MG) is an autoimmune disease characterized by formation of autoantibodies against the nicotinic acetylcholine receptor (AChR). Some patients do not show sufficient improvement and develop adverse effects following administration of conventional immune therapy; therefore, the development of new treatments is important. Based on the concept of “selective removal of pathogenic antibodies and cells without suppression of normal immunity,” we are developing a fusion protein referred to as AChR-Fc (composed of the AChR alpha subunit and Fc region of human immunoglobulin G1), which shows the following mechanisms of action: selective neutralization of AChR antibodies and cytotoxic activity against AChR antibody-producing pathogenic B cells. Treatment with AChR-Fc is a novel therapeutic approach that may be useful in the management of MG.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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