What B cell memories are made of.

What B cell memories are made of.
复制标题

B 细胞记忆是由什么组成的。

DOI:
10.1016/j.coi.2019.01.003
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发表时间:
2019
影响因子:
7
通讯作者:
Allman,David
Allman,David
中科院分区:
医学2区
文献类型:
--
作者:
Tomayko,MaryM;Allman,David

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重点不同的记忆B细胞可以承担不同的功能。许多记忆B细胞似乎非常长寿。IgM阳性记忆B细胞可能在宿主保护中发挥独特但知之甚少的作用。T细胞非依赖性抗原也经常诱导持久的抗体滴度。在许多方面,记忆B细胞代表体液免疫的最终结果。这些细胞中的许多表达对抗原的异常高亲和力的抗原特异性B细胞受体,并且这些细胞是长寿命浆细胞的关键来源,所述长寿命浆细胞分泌保护性血清抗体以保护免于二次暴露于病原体和其它危及生命的抗原。现在有证据表明,并非所有的记忆B细胞都是通过相同的细胞途径和分子事件产生的。类似地,越来越清楚的是,不同的记忆B细胞可以承担不同的功能,其中一些在重新激活时产生IgM而不是IgG抗体,而另一些则优先产生浆细胞而不是额外的记忆B细胞波。通过这篇综述,我们讨论了概念的想法和早期的研究围绕B细胞记忆的早期工作,然后讨论了记忆B细胞亚群的许多途径和功能属性和目前的方法来直接表征这些细胞。
HighlightsDifferent memory B cells can take on different functions.Many memory B cells appear to be exceptionally long-lived.IgM-positive memory B cells may play unique and poorly understood roles in host protection.T-cell independent antigens also often induce lasting antibody titers.In many ways, memory B cells represent the ultimate outcome of humoral immunity. Many of these cells express exceptionally high affinity antigen-specific B cell receptors for antigen, and these cells are a critical source of the long-lived plasma cells that secrete protective serum antibodies to protect against secondary exposure to pathogens and other life-threatening antigens. Evidence is now emerging that not all memory B cells are created via the same cellular pathways and molecular events. Similarly, it is becoming clear that different memory B cells can take on different functions, with some producing IgM rather than IgG antibodies upon reactivation, and others preferentially producing plasma cells rather than additional waves of memory B cells. With this review, we discuss the conceptual ides and early studies surrounding early work on B cell memory, then discuss the many pathways and functional attributes of subpopulations of memory B cells and current approaches to characterize these cells directly.
回归热疏螺旋体病的消退需要 IgM,并且与 B1b 淋巴细胞的扩增同时进行1
DOI: --
发表时间: 2003
影响因子: 4.4
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发表时间: 2004-09-01
期刊: IMMUNITY
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一种可区分 T 细胞和 B 细胞亚群的单克隆抗体。
DOI: --
发表时间: 1981
期刊: Journal of immunology (Baltimore, Md. : 1950)
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Bruce,J;Symington,FW;McKearn,TJ;Sprent,J
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发表时间: 1975-01-01
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GERHARD, W;BRACIALE, TJ;KLINMAN, NR
通讯作者: KLINMAN, NR
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