Linking T-cell receptor sequence to functional phenotype at the single-cell level.

Linking T-cell receptor sequence to functional phenotype at the single-cell level.
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DOI:
10.1038/nbt.2938
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发表时间:
2014-07
影响因子:
46.9
通讯作者:
Davis, Mark M.
Davis, Mark M.
中科院分区:
工程技术1区
文献类型:
--
作者:
Han, Arnold;Glanville, Jacob;Hansmann, Leo;Davis, Mark M.

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尽管每个 T 淋巴细胞都表达识别同源抗原并控制 T 细胞激活的 T 细胞受体 (TCR),但具有相同 TCR 的不同 T 细胞在功能上可能不同。每个 TCR 都是异二聚体,α 链和 β 链都有助于确定 TCR 抗原特异性。在这里,我们提出了一种能够将 TCR 特异性信息与 T 细胞功能信息整合的方法。该方法涉及对 TCRα 和 TCRβ 基因进行测序,并在单个 T 细胞中扩增不同 T 细胞亚群特征的功能基因。由于这种方法保留了有关单个 TCRα-TCRβ 对的信息,因此可以表达感兴趣的 TCR 并将其用于功能研究、抗原发现或治疗应用。我们应用这种方法来研究浸润人类结直肠癌的 T 淋巴细胞的克隆祖先和分化。
Although each T lymphocyte expresses a T-cell receptor (TCR) that recognizes cognate antigen and controls T-cell activation, different T cells bearing the same TCR can be functionally distinct. Each TCR is a heterodimer, and both α- and β-chains contribute to determining TCR antigen specificity. Here we present a methodology enabling integration of information about TCR specificity with information about T cell function. This method involves sequencing of TCRα and TCRβ genes, and amplifying functional genes characteristic of different T cell subsets, in single T cells. Because this approach retains information about individual TCRα-TCRβ pairs, TCRs of interest can be expressed and used in functional studies, for antigen discovery, or in therapeutic applications. We apply this approach to study the clonal ancestry and differentiation of T lymphocytes infiltrating a human colorectal carcinoma.
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