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结直肠癌的预后预测和免疫微环境分析使用外体相关的lncRNA签名

Haohui Li¹, Xiaoping Huang¹, Zhenchao Luo¹

¹Department of General Surgery, The Third Affiliated Hospital of Southern Medical University, 183 Zhongshan Road West, Guangzhou, 510000, China.

Discover oncology

|March 10, 2026

概括

外体相关的lncRNAs (ER-lncRNAs) 是结直肠癌 (CRC) 进展的关键参与者. 这项研究确定了新型ER-lncRNAs作为CRC的潜在诊断和治疗标.

科学领域:

在瘤学瘤学.
分子生物学分子生物学
基因组学就是基因组学.

背景情况:

外基因组在瘤微环境 (TME) 中调解细胞与细胞的通信.
外体相关的长非编码RNAs (ER-lncRNAs) 在结直肠癌 (CRC) 中的特定作用尚不清楚.
在CRC中研究ER-lncRNA对于了解癌症进展至关重要.

研究的目的:

在结直肠癌 (CRC) 中识别和表征外体相关的 lncRNA (ER-lncRNA).
探索ER-lncRNAs在CRC中的预后价值.
开发基于ER-lncRNAs的CRC患者预后预测模型.

主要方法:

分析mRNA资料,临床数据 (TCGA,GEO),微生物组数据 (TCMA) 和外体相关基因 (ExoCarta).
应用共识聚类来分层CRC分子亚型.
开发基于ER-lncRNA的风险特征和预后名录.

主要成果:

鉴定了797个差异表达的 lncRNA (DE-lncRNA),选择了490个 ER-lncRNA.
将CRC分为四种分层分子亚型,具有不同的生存结果,免疫透和治疗反应.
开发了一种9ER-lncRNA风险评分模型和预测个体CRC预后的诺莫图.

结论:

在结直肠癌 (CRC) 中,ER-lncRNAs具有显著的临床意义.
这些ER-lncRNAs显示出作为CRC新型诊断生物标志物的潜力.
ER-lncRNAs代表着结直肠癌 (CRC) 的有希望的治疗点.

关键词:

结肠直肠癌是一种癌症.外基因组是外基因组中的一个.这些是incRNAs.预测预后预测预测瘤微环境是一个微环境.

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