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Molecular definition of the identity and activation of natural killer cells

机译:天然杀伤细胞身份和激活的分子定义

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Using whole-genome microarray data sets of the Immunological Genome Project, we demonstrate a closer transcriptional relationship between NK cells and T cells than between any other leukocytes, distinguished by their shared expression of genes encoding molecules with similar signaling functions. Whereas resting NK cells are known to share expression of a few genes with cytotoxic CD8 + T cells, our transcriptome-wide analysis demonstrates that the commonalities extend to hundreds of genes, many encoding molecules with unknown functions. Resting NK cells demonstrate a 'preprimed' state compared with naive T cells, which allows NK cells to respond more rapidly to viral infection. Collectively, our data provide a global context for known and previously unknown molecular aspects of NK cell identity and function by delineating the genome-wide repertoire of gene expression of NK cells in various states.
机译:使用免疫基因组计划的全基因组微阵列数据集,我们证明了NK细胞和T细胞之间比任何其他白细胞之间更紧密的转录关系,区别在于它们共享编码具有相似信号功能的分子的基因。已知静止的NK细胞与细胞毒性CD8 + T细胞共享一些基因的表达,而我们在转录组范围内的分析表明,共有性扩展到数百种基因,许多编码分子的功能未知。与幼稚的T细胞相比,静止的NK细胞表现出“预致敏”状态,从而使NK细胞对病毒感染的反应更快。总体而言,我们的数据通过描绘各种状态下NK细胞基因表达的全基因组范围,为NK细胞身份和功能的已知和先前未知的分子方面提供了一个整体背景。

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