The role of naive T cell precursor frequency and recruitment in dictating immune response magnitude.

The role of naive T cell precursor frequency and recruitment in dictating immune response magnitude.
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DOI:
10.4049/jimmunol.1102661
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发表时间:
2012-05-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Moon JJ
Moon JJ
中科院分区:
其他
文献类型:
--
作者:
Jenkins MK;Moon JJ

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技术的最新进展使人们认识到,对不同外源肽:MHC(p:MHC)配体具有特异性的幼稚T细胞群体的大小不同。这种可变性部分是由于某些肽含有与TCR进行特别有利的相互作用的氨基酸。此外,删除与自身p:MHC配体交叉反应的克隆可能会减少一些幼稚群体的规模。在许多情况下,对单个p:MHC表位的免疫应答的大小与相应的初始群体的大小相关。然而,这种简单的关系可能会因T细胞募集到免疫应答中的效率的变化而复杂化。幼稚群体的大小可以预测免疫反应的大小,这一知识可能为生产更有效的亚单位疫苗创造机会。
Recent advances in technology have lead to the realization that the populations of naïve T cells specific for different foreign peptide:MHC (p:MHC) ligands vary in size. This variability is due in part to the fact that certain peptides contain amino acids that engage in particularly favorable interactions with TCRs. In addition, deletion of clones with cross-reactivity for self p:MHC ligands may reduce the size of some naïve populations. In many cases, the magnitude of the immune response to individual p:MHC epitopes correlates with the size of the corresponding naïve populations. However, this simple relationship may be complicated by variability in the efficiency of T cell recruitment into the immune response. The knowledge that naïve population size can predict immune response magnitude may create opportunities for production of more effective subunit vaccines.
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