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单细胞和多组体分析确定TRIM9是胰腺癌中一个关键的泛定位调节器

Liang Chen¹, Xiaomei Ying², Chenfeng Ma³

¹Department of Hepatobiliary and Pancreatic Surgery, Conversion Therapy Center for Hepatobiliary and Pancreatic Tumors, First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, China.

Frontiers in immunology

|October 6, 2025

概括

这项研究确定TRIM9是胰腺癌 (PC) 的瘤抑制剂. 它通过无处不在调节HNRNPU稳定性,为新的PC诊断和治疗提供了潜力.

科学领域:

在瘤学瘤学.
分子生物学分子生物学
遗传学遗传学是一个

背景情况:

胰腺癌 (PC) 病原体包括复杂的遗传改变.
在癌症的发展过程中,ubiquitination路径起着至关重要的作用.
鉴定PC中的新生物标志物和治疗点至关重要.

研究的目的:

为了研究在胰腺癌中与ubiquitination相关的基因的作用.
确定潜在的预后生物标志物和治疗点.
阐明PC进展背后的分子机制.

主要方法:

单细胞RNA测序 (scRNA-seq) 和空间转录组学.
门德尔随机化 (SMR) 和权重基因同表达网络分析 (WGCNA).
基于机器学习的预后建模和体外/体内功能测试.

主要成果:

scRNA-seq确定了特定于细胞类型的无处不在模式.
确定TRIM9是一种PC保护基因,在瘤中下调.
一个7基因预后模型分层患者;TRIM9通过降解HNRNPU来抑制PC生长.

结论:

在胰腺癌中,TRIM9充当瘤抑制剂.
TRIM9的机制涉及到依赖于无处不在的HNRNPU降解.
TRIM9是一种潜在的预后生物标志物和PC的治疗标.

关键词:

在HNRNPU中,它是HNRNPU.在 TRIM9 中,胰腺癌是一种癌症.一个单细胞RNA测序.无处不在的化

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