Tumour heterogeneity and intercellular networks of nasopharyngeal carcinoma at single cell resolution.

Tumour heterogeneity and intercellular networks of nasopharyngeal carcinoma at single cell resolution.
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DOI:
10.1038/s41467-021-21043-4
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发表时间:
2021-02-02
影响因子:
16.6
通讯作者:
Bei JX
Bei JX
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Liu Y;He S;Wang XL;Peng W;Chen QY;Chi DM;Chen JR;Han BW;Lin GW;Li YQ;Wang QY;Peng RJ;Wei PP;Guo X;Li B;Xia X;Mai HQ;Hu XD;Zhang Z;Zeng YX;Bei JX

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The heterogeneous nature of tumour microenvironment (TME) underlying diverse treatment responses remains unclear in nasopharyngeal carcinoma (NPC). Here, we profile 176,447 cells from 10 NPC tumour-blood pairs, using single-cell transcriptome coupled with T cell receptor sequencing. Our analyses reveal 53 cell subtypes, including tumour-infiltrating CD8+ T, regulatory T (Treg), and dendritic cells (DCs), as well as malignant cells with different Epstein-Barr virus infection status. Trajectory analyses reveal exhausted CD8+ T and immune-suppressive TNFRSF4+ Treg cells in tumours might derive from peripheral CX3CR1+CD8+ T and naïve Treg cells, respectively. Moreover, we identify immune-regulatory and tolerogenic LAMP3+ DCs. Noteworthily, we observe intensive inter-cell interactions among LAMP3+ DCs, Treg, exhausted CD8+ T, and malignant cells, suggesting potential cross-talks to foster an immune-suppressive niche for the TME. Collectively, our study uncovers the heterogeneity and interacting molecules of the TME in NPC at single-cell resolution, which provide insights into the mechanisms underlying NPC progression and the development of precise therapies for NPC. Nasopharyngeal carcinoma is a diverse cancer characterised by a heterogeneous microenvironment. Here, the authors use single cell sequencing to analyse the tumour microenvironment in 10 nasopharyngeal carcinoma tumours and identify different cell types including immune-suppressive T regulatory, tolerogenic dendritic, and exhausted CD8 T cells.
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