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Decoding intrathecal immunoglobulins and B cells in the CNS: their synthesis, function, and regulation.
International Reviews of Immunology ( IF 5 ) Pub Date : 2020-01-13 , DOI: 10.1080/08830185.2019.1711073
Neema Negi 1 , Bimal K Das 2
Affiliation  

The discovery of an active lymphatic system in the meninges (dura mater) has opened up a wide range of possibilities for the role of CNS immunoglobulins in brain development in early fetal life or during infancy. The antibody-dependent and -independent functions of B cells in the immunopathogenesis of multiple sclerosis are not new to immunologists, yet their role in other neurodegenerative disorders such as Alzheimer's and Parkinson's disease is incompletely understood. Deep cervical lymph nodes have emerged as a candidate site for autosensitization against CNS antigens and have been shown to provide the right kind of milieu for the dynamic interaction of antigen-presenting cells, B cells, and T cells. The presence of different B cells in the lymph nodes and the production of natural autoantibodies by B-1 cells have definitely unlocked another piece of the puzzle. At a time when CD19 and CD20 monoclonal antibodies have shown remarkable results in ameliorating the relapse and progression of multiple sclerosis, it is imperative to dissect out the diversity in B cell populations inside the CNS to identify new targets to improve current treatment regimens for neurodegenerative diseases. This review highlights the origin, migration, function, and regulation of B cells and the production of intrathecal immunoglobulins considering the previous and current findings and taking into account the differences between a healthy state and the changes that occur during an inflammatory or autoimmune response.

中文翻译:

在CNS中对鞘内免疫球蛋白和B细胞进行解码:它们的合成,功能和调节。

脑膜(硬脑膜)中活跃的淋巴系统的发现为中枢神经系统免疫球蛋白在胎儿早期或婴儿期大脑发育中的作用开辟了广泛的可能性。B细胞在多发性硬化症的免疫发病机制中的抗体依赖性和非依赖性功能对于免疫学家而言并不陌生,但它们在其他神经退行性疾病(如阿尔茨海默氏病和帕金森氏病)中的作用尚未完全了解。宫颈深部淋巴结已成为对CNS抗原自动致敏的候选位点,并已显示为抗原呈递细胞,B细胞和T细胞的动态相互作用提供了正确的环境。淋巴结中存在不同的B细胞,以及B-1细胞产生天然自身抗体,无疑打开了另一个难题。当CD19和CD20单克隆抗体在改善多发性硬化症的复发和进展方面显示出显著成果时,必须剖析中枢神经系统内B细胞群的多样性,以找出新的靶点以改善当前神经退行性疾病的治疗方案。这篇综述着眼于先前和当前的发现,并考虑到健康状态与炎症或自身免疫反应期间发生的变化之间的差异,着重强调了B细胞的起源,迁移,功能和调节以及鞘内免疫球蛋白的产生。当CD19和CD20单克隆抗体在改善多发性硬化症的复发和进展方面显示出显著成果时,必须剖析中枢神经系统内B细胞群的多样性,以找出新的靶点以改善当前神经退行性疾病的治疗方案。这篇综述着眼于先前和当前的发现,并考虑到健康状态与炎症或自身免疫反应期间发生的变化之间的差异,着重强调了B细胞的起源,迁移,功能和调节以及鞘内免疫球蛋白的产生。当CD19和CD20单克隆抗体在改善多发性硬化症的复发和进展方面显示出显著成果时,必须剖析中枢神经系统内部B细胞群的多样性,以找到新的靶点,以改善当前神经退行性疾病的治疗方案。这篇综述着眼于先前和当前的发现,并考虑了健康状态与炎症或自身免疫反应期间发生的变化之间的差异,着重强调了B细胞的起源,迁移,功能和调节以及鞘内免疫球蛋白的产生。必须剖析中枢神经系统内B细胞种群的多样性,以找到新的靶点,以改善当前神经退行性疾病的治疗方案。这篇综述着眼于先前和当前的发现,并考虑到健康状态与炎症或自身免疫反应期间发生的变化之间的差异,着重强调了B细胞的起源,迁移,功能和调节以及鞘内免疫球蛋白的产生。必须剖析中枢神经系统内B细胞群体的多样性,以找到新的靶点,以改善当前神经退行性疾病的治疗方案。这篇综述着眼于先前和当前的发现,并考虑到健康状态与炎症或自身免疫反应期间发生的变化之间的差异,着重强调了B细胞的起源,迁移,功能和调节以及鞘内免疫球蛋白的产生。
更新日期:2020-04-20
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