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-  2018 

B 淋巴细胞在视神经脊髓炎谱系疾病发病中的作用
Role of B lymphocytes in pathogenesis of neuromyelitis optica spectrum disorder#br#

DOI: 10.3969/j.issn.1674-8115.2018.01.023

Keywords: 视神经脊髓炎谱系疾病,B 淋巴细胞,发病机制,
neuromyelitis&ensp
,optica&ensp,spectrum&ensp,disorder,&ensp,B&ensp,lymphocytes,&ensp,pathogenesis

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Abstract:

视神经脊髓炎谱系疾病(neuromyelitis optica spectrum disorder,NMOSD)是以体液免疫介导为主的一类中枢神经系统自身免 疫性疾病谱系,特异性表达水通道蛋白 -4(aquaporin-4,AQP-4)抗体,常以视神经和脊髓受累为主要表现。但临床中 AQP-4 抗体表 达水平与疾病活动度和复发率往往不呈正比,提示其他途径介导了疾病的发生。临床和基础研究中均有许多现象提示B 淋巴细胞在 NMOSD 的发病机制中发挥了重要作用。该文主要对 B 淋巴细胞在 NMOSD 发病机制中的作用进行综述,从 B 淋巴细胞的抗原提呈、 体液免疫、调节性 B 淋巴细胞效应及免疫耐受等角度阐述 B 淋巴细胞介导 NMOSD 的发病过程。
:?The?neuromyelitis?optica?spectrum?disorders?(NMOSD)?are?a?spectrum?of?central?nervous?system?autoimmune?diseases?caused?by?humoralmediated?immunity.?NMOSD?is?characterized?by?specific?expression?of?aquaporin-4?(AQP-4)?antibody?and?involvement?of?optic?nerve?and?spinal?cord.? However,?the?expression?level?of?AQP-4?antibody?is?not?directly?proportional?to?disease?activity?and?recurrence?rate,?suggesting?that?multiple?mechanisms? have?been?involved?in?mediating?the?process?of?disease.?Many?evidences?of?clinical?and?basic?experiments?indicated?that?B?lymphocytes?play?an?important? role in the pathogenesis of NMOSD. This paper mainly summarized the role of B lymphocytes in the pathogenesis of NMOSD, including aspects of antigen presentation, humoral immunity, regulatory B cell effect and B cell immune tolerance

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