High-density single cell mRNA sequencing to characterize circulating tumor cells in hepatocellular carcinoma.

High-density single cell mRNA sequencing to characterize circulating tumor cells in hepatocellular carcinoma.
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高密度的单细胞mRNA测序以表征肝细胞癌中循环肿瘤细胞。

DOI:
10.1038/s41598-018-30047-y
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发表时间:
2018-08-01
期刊:
影响因子:
4.6
通讯作者:
Villanueva A
Villanueva A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
D'Avola D;Villacorta-Martin C;Martins-Filho SN;Craig A;Labgaa I;von Felden J;Kimaada A;Bonaccorso A;Tabrizian P;Hartmann BM;Sebra R;Schwartz M;Villanueva A

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肝细胞癌(HCC)患者将肿瘤细胞释放到血流中,可以使用细胞表面标记物检测。尽管许多报告表明循环肿瘤细胞(CTC)的数量与不良临床结果之间存在直接相关性,但很少有研究提供CTC的彻底分子表征。由于在晚期HCC患者中获得组织样本的机会有限,因此开发新技术以在常规临床条件下识别HCC癌症驱动因素至关重要。在这里,我们描述了一种方法,依次结合图像流式细胞术和高密度单细胞mRNA测序,以确定在HCC患者的CTC。使用这种方法对CTC进行全基因组表达谱分析证明了CTC的异质性,并有助于检测HCC中已知的致癌驱动因子,如IGF 2。这种整合的方法为使用液体活检在HCC中开发生物标志物提供了一种新的工具。
Patients with hepatocellular carcinoma (HCC) release tumor cells to the bloodstream, which can be detected using cell surface markers. Despite numerous reports suggest a direct correlation between the number of circulating tumor cells (CTCs) and poor clinical outcomes, few studies have provided a thorough molecular characterization of CTCs. Due to the limited access to tissue samples in patients at advanced stages of HCC, it is crucial to develop new technologies to identify HCC cancer drivers in routine clinical conditions. Here, we describe a method that sequentially combines image flow cytometry and high density single-cell mRNA sequencing to identify CTCs in HCC patients. Genome wide expression profiling of CTCs using this approach demonstrates CTC heterogeneity and helps detect known oncogenic drivers in HCC such as IGF2. This integrated approach provides a novel tool for biomarker development in HCC using liquid biopsy.
HULC:人类癌症中的致癌长无编码RNA。
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