Role of endothelial cells in tumor microenvironment.

Role of endothelial cells in tumor microenvironment.
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内皮细胞在肿瘤微环境中的作用。

DOI:
10.1002/ctm2.450
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发表时间:
2021-06
影响因子:
10.6
通讯作者:
Powell CA
Powell CA
中科院分区:
医学2区
文献类型:
--
作者:
Yang D;Guo P;He T;Powell CA

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致编者:内皮细胞排列在血管系统中,在调节肿瘤的发生、发展和转移中起重要作用。单细胞RNA测序的应用已经在肿瘤微环境(TME)的时空演变期间鉴定了不同的内皮细胞谱系。存在促进或阻止肿瘤从非侵袭性进展到侵袭性阶段的内皮细胞亚群。功能性肿瘤内皮细胞(TEC)的机制包括细胞因子分泌,其激活肿瘤细胞上的受体和/或通过减弱免疫细胞的细胞毒性反应来抑制抗肿瘤免疫反应(图1)。目前在临床环境中检测TEC的方法很少;利用TEC靶向治疗来改善目前早期癌症的治疗方案将是一种有前途的方法。TEC可能通过支持肿瘤代谢或分泌旁分泌因子促进肿瘤进展。2最近,通过单细胞RNA测序(scRNA-seq),我们可以获得TEC中动态基因网络的全景。3例如,在一项转移性黑色素瘤研究中,Tirosh等人发现,耐药肿瘤中的TEC具有异质性基因表达。
To the Editor: Endothelial cells line the vascular system and play essential roles in regulating tumor initiation, progression, and metastasis. The application of single-cell RNA sequencing has identified distinct lineages of endothelial cells during the spatial–temporal evolution of the tumor microenvironment (TME). Subgroups of endothelial cells exist that either promote or prevent tumor progression from non-invasive to the invasive stage. Mechanisms of functional tumor endothelial cells (TECs) include cytokine secretion, which activates receptors on the tumor cells and/or suppresses antitumor immune reaction via attenuating the cytotoxic responses of the immune cells (Figure 1). There are currently few available methods to detect TECs in the clinical setting; it would be a promising approach to leverage TECs targeted therapy to improve the current treatment regimens for early-stage cancer. TECs could promote cancer progression by supporting tumor metabolism 1 or secreting paracrine factors. 2 Recently, by single-cell RNA sequencing (scRNA-seq), we could gain a landscape view of the dynamic gene network in the TECs. 3 For example, in a metastatic melanoma study, Tirosh et al. identified that the TECs in the drug-resistant tumors harbored heterogeneous genetic
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