在多发性硬化症中对爱斯坦-巴尔病毒核抗原1进行增强和交叉反应的体外记忆B细胞反应
Zoe Marti1,2,3, Josefine Ruder3, Olivia G Thomas4
1Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.
Frontiers in immunology
|September 11, 2024
概括
多发性硬化症 (MS) 涉及到记忆B细胞和爱斯坦-巴尔病毒 (EBV). 这项研究证实了MS患者抗EBV反应的增加,并揭示了MS治疗如何改变B细胞反应.
科学领域:
- 神经免疫学 神经免疫学
- 免疫学 免疫学 免疫学
背景情况:
- 多发性硬化症 (MS) 是一种中枢神经系统自身免疫性疾病,其中记忆B细胞和爱斯坦-巴尔病毒 (EBV) 起着关键作用.
- EBV感染记忆B细胞,在MS患者中观察到改变的抗EBV免疫力,包括与中枢神经系统自身抗原的分子模仿.
研究的目的:
- 为了研究与健康对照组相比,多发性硬化症患者的记忆B细胞抗体谱.
- 检查MS治疗,纳塔利祖马布 (NAT) 和自身造血干细胞移植 (aHSCT) 对B细胞反应的影响.
主要方法:
- 利用体外测试来分析记忆B细胞抗体分泌.
- 测量了针对爱斯坦-巴尔核抗原1 (EBNA1) 和GlialCAM和ANO2.2等自身抗原的抗体标位.
- 在NAT和aHSCT治疗后评估B细胞反应的变化.
主要成果:
- 在MS患者中证实抗EBNA1IgG的分泌量升高,与针对GlialCAM和ANO2的自身抗体相关.
- 提供了EBNA1和ANO2之间的抗体交叉反应的证据.
- 与NAT和aHSCT疗法相关的EBNA1导向B细胞反应中显示出明显的变化.
结论:
- 该研究验证了与MS相关的反EBNA1记忆B细胞反应和抗体交叉反应性的MS相关变化.
- 揭示了与NAT和aHSCT的作用机制相关的免疫球蛋白谱中的治疗特异性修改.
关键词:
在EBNA1中,EBNA1是指EBNA1.爱斯坦-巴尔病毒病毒.在GlialCAM中使用.亚诺胺-2的使用方法记忆 B 细胞 B 细胞分子仿真是分子仿真.多发性硬化症多发性硬化症在那个时候,她生下了Natalizumab.更多相关视频
08:52Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant
Published on: May 27, 2011
17.2K
08:44Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
Published on: September 7, 2022
2.4K
相关概念视频
00:42Cross-reactivity
31.0K
Overview
31.0K
01:23Immunological Memory
560
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
560
01:24B Cell Activation and Differentiation
1.6K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
1.6K
01:23Cells of the Adaptive Immune Response
971
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
971
01:29Immune Response Against Viral Pathogens
764
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
764
01:20Special Features of Adaptive Immunity
776
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
776