A Dynamic Transcriptome Map of Different Tissue Microenvironment Cells Identified During Gastric Cancer Development Using Single-Cell RNA Sequencing.

A Dynamic Transcriptome Map of Different Tissue Microenvironment Cells Identified During Gastric Cancer Development Using Single-Cell RNA Sequencing.
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DOI:
10.3389/fimmu.2021.728169
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发表时间:
2021
影响因子:
7.3
通讯作者:
Yuan Y
Yuan Y
中科院分区:
医学2区
文献类型:
--
作者:
Yin H;Guo R;Zhang H;Liu S;Gong Y;Yuan Y

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胃癌(GC)的发展趋势已经确定了从炎症到癌变的多个过程,然而,关键的致病机制仍不清楚。组织微环境(TME)细胞对恶性肿瘤的进展至关重要。在这里,我们使用单细胞测序分析生成了多疾病阶段期间各种TME细胞的动态转录组图谱。我们观察了一组与TME细胞致癌演变相关的关键转变标志物,并描绘了这些细胞的标志性动态致癌轨迹。其中,巨噬细胞、成纤维细胞和内皮细胞对上皮细胞具有相当大的影响,表明这些细胞可能是促进GC发生和发展的关键TME因子。我们的研究结果表明,不同的TME细胞类型对肿瘤形成过程中GC的表型收敛。我们相信我们的数据将为早期GC检测,诊断和治疗铺平道路。
Gastric cancer (GC) development trends have identified multiple processes ranging from inflammation to carcinogenesis, however, key pathogenic mechanisms remain unclear. Tissue microenvironment (TME) cells are critical for the progression of malignant tumors. Here, we generated a dynamic transcriptome map of various TME cells during multi-disease stages using single-cell sequencing analysis. We observed a set of key transition markers related to TME cell carcinogenic evolution, and delineated landmark dynamic carcinogenic trajectories of these cells. Of these, macrophages, fibroblasts, and endothelial cells exerted considerable effects toward epithelial cells, suggesting these cells may be key TME factors promoting GC occurrence and development. Our results suggest a phenotypic convergence of different TME cell types toward tumor formation processes in GC. We believe our data would pave the way for early GC detection, diagnosis, and treatment therapies.
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