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  • Species: human
  • Number of cells: 5312
  • Number of downloads: 54
  • Study size: 136MB
  • Uploaded at: Mar 1, 2021

pan-cancerThyroid carcinoma

A pan-cancer single-cell transcriptional atlas of tumor infiltrating myeloid cells (Thyroid carcinoma)

ijin Cheng, Ziyi Li, Ranran Gao, Baocai Xing, Yunong Gao, Yu Yang, Shishang Qin, Lei Zhang, Hanqiang Ouyang, Peng Du, Liang Jiang, Bin Zhang, Yue Yang, Xiliang Wang, Xianwen Ren, Jin-Xin Bei, Xueda Hu, Zhaode Bu, Jiafu Ji, Zemin Zhang

Tumor-infiltrating myeloid cells (TIMs) are key regulators in tumor progression, but the similarity and distinction of their fundamental properties across different tumors remain elusive. Here, by performing a pan-cancer analysis of single myeloid cells from 210 patients across 15 human cancer types, we identified distinct features of TIMs across cancer types. Mast cells in nasopharyngeal cancer were found to be associated with better prognosis and exhibited an anti-tumor phenotype with a high ratio of TNF+/VEGFA+ cells. Systematic comparison between cDC1- and cDC2-derived LAMP3+ cDCs revealed their differences in transcription factors and external stimulus. Additionally, pro-angiogenic tumor-associated macrophages (TAMs) were characterized with diverse markers across different cancer types, and the composition of TIMs appeared to be associated with certain features of somatic mutations and gene expressions. Our results provide a systematic view of the highly heterogeneous TIMs and suggest future avenues for rational, targeted immunotherapies.

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