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单细胞RNA测序作为一种潜在的方法,用于研究膜间皮瘤中的瘤内异质性

Ania Alay¹, Raúl Marín², Elisabet Aliagas³

¹Doctoral Programme in Medicine and Translational Research, Universitat de Barcelona (UB), Barcelona, Spain; Unit of Bioinformatics for Precision Oncology, Institut Català d'Oncologia, L'Hospitalet de Llobregat, Spain; Preclinical and experimental research in thoracic tumors (PRETT) group, ONCOBELL Program, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Spain.

Lung cancer (Amsterdam, Netherlands)

|August 9, 2025

概括

单细胞RNA测序揭示了在多发性介质瘤 (PM) 中的内异质性. 识别的基因特征与患者的生存和治疗反应相关,为个性化治疗提供了潜力.

科学领域:

在瘤学瘤学.
基因组学就是基因组学.
翻译医学是一种翻译医学.

背景情况:

腹半径质瘤 (PM) 是一种罕见的,具有较差治疗结果的侵袭性癌症.
内瘤异质性 (ITH) 是一种可疑的PM治疗耐药性的驱动因素.
了解PM ITH对于开发有效疗法至关重要.

研究的目的:

通过单细胞RNA测序 (scRNA-seq) 在多叶性半径瘤中表征ITH.
在PM瘤中识别不同的细胞状态和基因表达特征.
为了将这些特征与临床结果和治疗敏感性相关联.

主要方法:

通过scRNA-seq. 来分析三种不同的表皮质PM活检中的瘤细胞.
细胞状态的识别和表征 (干状,上皮状,介质状).
在PM患者的大群中评估基因表达特征.

主要成果:

在所有瘤区域中确定了三个普遍的细胞状态 (C1-茎状,C2-上皮状,C3-介质状).
轨迹分析表明表皮-介质细胞可塑性与类似茎的中间体.
丰富的C3签名与较差的生存率和降低对标准PM治疗的敏感性相关.
C1签名表明对抗血管生成疗法的潜在敏感性.

结论:

scRNA-seq有效地捕获PM中的细胞和分子异质性.
识别的基因表达特征对定制PM治疗具有潜在的临床意义.
这种方法可能会指导未来的治疗策略,为肺部间皮瘤.

关键词:

胸腔半叶瘤 (Pleural mesothelioma) 是一种多发性半叶瘤 (Pleural mesothelioma).皮质-介质细胞的可塑性从上皮细胞转变为介质细胞的转变.基因表达的签名基因表达的签名单细胞RNA测序,瘤异质性的研究.

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RNA-seq

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases.
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...