CD8 T cell cross-reactivity networks mediate heterologous immunity in human EBV and murine vaccinia virus infections.

CD8 T cell cross-reactivity networks mediate heterologous immunity in human EBV and murine vaccinia virus infections.
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CD8 T细胞交叉反应网络介导人EBV和鼠类疫苗病毒感染中的异源免疫。

DOI:
10.4049/jimmunol.0902168
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发表时间:
2010-03-15
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Selin LK
Selin LK
中科院分区:
其他
文献类型:
--
作者:
Cornberg M;Clute SC;Watkin LB;Saccoccio FM;Kim SK;Naumov YN;Brehm MA;Aslan N;Welsh RM;Selin LK

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在这里,我们证明了复杂的网络之间的CD 8 T细胞交叉反应性流感病毒A(IAV)和爱泼斯坦-巴尔病毒(EBV)在人类和淋巴细胞性脉络丛脑膜炎病毒(LCMV)和牛痘病毒(VV)在小鼠。我们还直接表明,交叉反应性T细胞介导小鼠的保护性异源免疫。与一个表位反应的T细胞群体的亚群与由相同或异源病毒编码的几个其他表位中的任一个交叉反应。对EBV编码的BMLF 1280 -288特异的人T细胞可以与两种IAV或两种其他EBV表位交叉反应。对VV编码的a11 r198 -205特异的小鼠T细胞可以与三种不同的LCMV、一种皮钦德病毒或一种其他VV表位交叉反应。交叉反应的模式在个体之间不同,反映了宿主免疫库的私人特异性,以及T细胞群介导保护性免疫的能力的差异。在常见的人类病原体之间定义这种交叉反应网络可能有助于疫苗的设计。
Here we demonstrate complex networks of CD8 T-cell cross-reactivities between influenza A virus (IAV) and Epstein- Barr virus (EBV) in humans and between lymphocytic choriomeningitis virus (LCMV) and vaccinia virus (VV) in mice. We also show directly that cross-reactive T-cells mediate protective heterologous immunity in mice. Subsets of T-cell populations reactive with one epitope cross-reacted with either of several other epitopes encoded by the same or the heterologous virus. Human T-cells specific to EBV-encoded BMLF1280-288 could be cross-reactive with two IAV or two other EBV epitopes. Mouse T-cells specific to the VV-encoded a11r198-205 could be cross-reactive with three different LCMV, one Pichinde virus, or one other VV epitope. Patterns of cross-reactivity differed among individuals, reflecting the private specificities of the host’s immune repertoire, and divergence in the abilities of T-cell populations to mediate protective immunity. Defining such cross-reactive networks between commonly encountered human pathogens may facilitate the design of vaccines.
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