Protective B cell responses to flu--no fluke!

Protective B cell responses to flu--no fluke!
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DOI:
10.4049/jimmunol.1002090
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发表时间:
2011-04-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Baumgarth N
Baumgarth N
中科院分区:
其他
文献类型:
--
作者:
Waffarn EE;Baumgarth N

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调节B淋巴细胞的诱导和维持的机制已经在使用蛋白质和半抗原载体系统的免疫研究中被广泛描述。然而,越来越多的证据表明,由感染诱导的B细胞应答的调节要复杂得多。在这里,我们回顾了目前的理解B细胞感染流感病毒,一种小RNA病毒,导致“流感”后诱导的反应。值得注意的是,对该病毒的快速诱导的、高度保护性的和长寿命的体液应答由多个B细胞亚群贡献,每个亚群产生性质上不同的呼吸道和全身应答。一些B细胞亚群提供针对不断变异的病毒变体的广泛的交叉保护,并且每个亚群都受到感染诱导的先天免疫信号的质量和幅度的调节。从分析这种高度保护性的体液反应中获得的知识可能为成功的疫苗和疫苗接种方法提供蓝图。
The mechanisms regulating the induction and maintenance of B lymphocytes have been delineated extensively in immunization studies using proteins and hapten-carrier systems. Increasing evidence suggests, however, that the regulation of B cell responses induced by infections is far more complex. Here we review the current understanding of B cell responses induced following infection with influenza virus, a small RNA virus that causes “the flu”. Notably, the rapidly induced, highly protective and long-lived humoral response to this virus is contributed by multiple B cell subsets, each generating qualitatively distinct respiratory tract and systemic responses. Some B cell subsets provide extensive cross-protection against variants of the ever-mutating virus and each is regulated by the quality and magnitude of infection-induced innate immune signals. Knowledge gained from the analysis of such highly protective humoral response might provide a blueprint for successful vaccines and vaccination approaches.
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