A single cell atlas of the human liver tumor microenvironment.

A single cell atlas of the human liver tumor microenvironment.
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人肝肿瘤微环境的单个细胞地图集。

DOI:
10.15252/msb.20209682
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发表时间:
2020-12
影响因子:
9.9
通讯作者:
Itzkovitz S
Itzkovitz S
中科院分区:
生物学1区
文献类型:
--
作者:
Massalha H;Bahar Halpern K;Abu-Gazala S;Jana T;Massasa EE;Moor AE;Buchauer L;Rozenberg M;Pikarsky E;Amit I;Zamir G;Itzkovitz S

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肿瘤细胞和构成肿瘤微环境的基质细胞之间的相互作用促进了肿瘤细胞的生长。人类肝脏是肿瘤和转移的主要部位,但不同细胞类型的分子身份和细胞间相互作用在这些病理中尚未得到解决。在这里,我们应用单细胞RNA测序和空间分析的恶性和邻近的非恶性肝组织来自五名患者的胆管癌或肝转移。我们发现间质细胞表现出复发的、患者独立的表达程序,并重建了突出复发的肿瘤-间质相互作用的配体-受体图谱。通过结合激光捕获显微解剖区域的转录切割技术,我们重建了非恶性部位的肝细胞分区图谱,并表征了每种细胞类型在肿瘤微环境中的空间分布。我们的分析为了解人类肝脏恶性肿瘤提供了资源,并可能揭示潜在的干预点。单细胞转录学和空间方法被用来生成人类肝脏肿瘤微环境的细胞图谱,揭示了健康和恶性组织中反复出现的肿瘤-间质相互作用和分区模式。
Malignant cell growth is fueled by interactions between tumor cells and the stromal cells composing the tumor microenvironment. The human liver is a major site of tumors and metastases, but molecular identities and intercellular interactions of different cell types have not been resolved in these pathologies. Here, we apply single cell RNA‐sequencing and spatial analysis of malignant and adjacent non‐malignant liver tissues from five patients with cholangiocarcinoma or liver metastases. We find that stromal cells exhibit recurring, patient‐independent expression programs, and reconstruct a ligand–receptor map that highlights recurring tumor–stroma interactions. By combining transcriptomics of laser‐capture microdissected regions, we reconstruct a zonation atlas of hepatocytes in the non‐malignant sites and characterize the spatial distribution of each cell type across the tumor microenvironment. Our analysis provides a resource for understanding human liver malignancies and may expose potential points of interventions. Single cell transcriptomics and spatial methods are used to generate a cell atlas of the human liver tumor microenvironment, exposing recurring tumor‐stroma interactions and zonation patterns in the healthy and malignant tissue.
DOI: 10.1038/nature21065
发表时间: 2017-02-16
期刊: Nature
影响因子: 64.8
作者:
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期刊: NATURE METHODS
影响因子: 48
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DOI: 10.1002/hep.20379
发表时间: 2004-10-01
期刊: HEPATOLOGY
影响因子: 13.5
作者:
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