Suppression of experimental autoimmune myasthenia gravis by nasal administration of acetylcholine receptor

被引:0
作者
马存根
机构
[1] 大同医专副校长
关键词
Nasal tolerance -Experimental autoimmune myasthenia gravis AChR - specific IgG secreting cells AChR-reactive IFN - r secreting cells Autoimmunity;
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R746.1 [重症肌无力];
学科分类号
摘要
<正> Experimental autoimmune myasthenia gravis (EAMG) is a well established animal model, which can be induced in various animal species and strains with acetylcholine receptor (AChR) and represents an experimental counterpart of human myasthenia gravis (MG). Current im-munotherapies to both EAMG and MG are non specific and limited by their toxicity. Recently, toler-ance to EAMG has been achieved by oral administration of milligram quantities of Torpedo AChR. In the present report we demonstrate that nasal administration of microgram doses of Torpedo AChR to female Lewis rats prior to immunization with Torpedo AChR and complete Freund's adjuvant resulted in the prevention of subsequently induced EAMG, the suppression of serum anti - AChR antibody levels, the decrease of delayed -type hyersensitjvity responses to AChR, as well as the suppression of AChR -specific IgG secreting cells, AChR -reactive IFN -r secreting cells and T cell proliferation in peripheral lymphoid organs, particularly in popliteal and ing
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页码:15 / 22
页数:8
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