CircRSU1 激活 hnRNPA1/HIF-1α/CD24 信号轴,促进肝细胞癌的干细胞特征
Shuting Xue1,2,3, Danduo Wei1,2,3, Yongzhi Zhao1,2,3
1The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Key Laboratory of Molecular Cancer Biology, Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang Province, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|February 12, 2026
概括
循环RNA circRSU1通过激活 hnRNPA1/HIF-1α/CD24 途径,增加癌症干细胞,促进肝细胞癌 (HCC) 恶性和干性.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 基因规则 基因规则
背景情况:
- 肝细胞癌 (HCC) 是一种具有显著异质性的致命癌症.
- 识别HCC恶性病变和干性的关键分子驱动因素对于治疗开发至关重要.
研究的目的:
- 为了识别和描述促进HCC恶性和干性循环RNA (circRNAs).
- 阐明circRSU1在HCC进展中的作用背后的分子机制.
主要方法:
- 在HCC组织和相邻的非瘤组织中进行circRNA分析.
- 在hcc细胞中的候选circRNAs的体外和体外功能查.
- 涉及RNA-蛋白相互作用,蛋白质降解试验和翻译调节分析的机制研究.
主要成果:
- 在HCC组织中,circRSU1的表达显著上调.
- circRSU1促进HCC恶性表型,并丰富了CD24阳性癌症干细胞群.
- circRSU1 与 hnRNPA1 相互作用,增加其稳定性,并通过 IRES 元素增强 HIF-1α 翻译.
- circRSU1放大了hnRNPA1/HIF-1α/CD24信号轴,推动了HCC恶性病变和干性.
结论:
- circRSU1是一个关键的瘤性circRNA,它驱动HCC恶性和干性.
- circRSU1/hnRNPA1/HIF-1α/CD24轴代表了HCC的新型治疗点.
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