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Innate-like functions of natural killer T cell subsets result from highly divergent gene programs

机译:天然杀伤性T细胞亚群的先天性功能是由高度不同的基因程序产生的

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Natural killer T cells (NKT cells) have stimulatory or inhibitory effects on the immune response that can be attributed in part to the existence of functional subsets of NKT cells. These subsets have been characterized only on the basis of the differential expression of a few transcription factors and cell-surface molecules. Here we have analyzed purified populations of thymic NKT cell subsets at both the transcriptomic level and epigenomic level and by single-cell RNA sequencing. Our data indicated that despite their similar antigen specificity, the functional NKT cell subsets were highly divergent populations with many gene-expression and epigenetic differences. Therefore, the thymus 'imprints' distinct gene programs on subsets of innate-like NKT cells that probably impart differences in proliferative capacity, homing, and effector functions.
机译:天然杀伤性T细胞(NKT细胞)对免疫应答具有刺激或抑制作用,这可以部分归因于NKT细胞功能亚群的存在。仅基于一些转录因子和细胞表面分子的差异表达来表征这些子集。在这里,我们已经在转录组水平和表观基因组水平以及通过单细胞RNA测序分析了胸腺NKT细胞亚群的纯化群体。我们的数据表明,尽管它们的抗原特异性相似,但功能性NKT细胞亚群是高度分化的群体,具有许多基因表达和表观遗传学差异。因此,胸腺在先天性NKT细胞子集上“烙印”不同的基因程序,这些子集可能在增殖能力,归巢和效应子功能上产生差异。

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