Deep single-cell RNA sequencing data of individual T cells from treatment-naïve colorectal cancer patients

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Abstract

T cells, as a crucial compartment of the tumour microenvironment, play vital roles in cancer immunotherapy. However, the basic properties of tumour-infiltrating T cells (TILs) such as the functional state, migratory capability and clonal expansion remain elusive. Here, using Smart-seq2 protocol, we have generated a RNA sequencing dataset of 11,138 T cells isolated from peripheral blood, adjacent normal and tumour tissues of 12 colorectal cancer (CRC) patients, including 4 with microsatellite instability (MSI). The dataset contained an expression profile of 10,805 T cells, as well as the full-length T cell receptor (TCR) sequences of 9,878 cells after quality control. To facilitate data mining of our T cell dataset, we developed a web-based application to deliver systematic interrogations and customizable functionalities (http://crctcell.cancer-pku.cn/). Functioning with our dataset, the web tool enables the characterization of TILs based on both transcriptome and assembled TCR sequences at the single cell level, which will help unleash the potential value of our CRC T cell data resource.

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Zhang, Y., Zheng, L., Zhang, L., Hu, X., Ren, X., & Zhang, Z. (2019). Deep single-cell RNA sequencing data of individual T cells from treatment-naïve colorectal cancer patients. Scientific Data, 6(1). https://doi.org/10.1038/s41597-019-0131-5

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