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ADARp110通过稳定CD24mRNA促进肝细胞癌的进展

Liangzhan Sun^1,2,3,4,5, Pengchao Hu^1,6, Hui Yang¹

¹Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China.

Proceedings of the National Academy of Sciences of the United States of America

|January 14, 2025

概括

在肝细胞癌 (HCC) 中ADARp110过度表达通过抑制免疫细胞和稳定CD24促进瘤生长. 向CD24提供了HCC的潜在治疗策略.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
分子生物学分子生物学

背景情况:

作用于RNA (ADAR) 的腺氨酸脱氨酶与肝细胞癌 (HCC) 的预后不佳有关.
在HCC瘤发生过程中,ADAR p110异型 (ADARp110) 的特定作用尚不清楚.

研究的目的:

研究ADARp110在肝细胞癌中的作用和潜在机制.
探索ADARp110对瘤免疫微环境的影响,并确定潜在的治疗点.

主要方法:

使用了临床HCC样本和一个肝细胞特异的Adarp110敲入小鼠模型.
在机械学研究中使用工程细胞系.
分析了免疫细胞透,mRNA稳定性和蛋白质相互作用.

主要成果:

在人类和小鼠的HCC中,ADARp110过度表达,与生存率差相关.
ADARp110通过减少细胞毒性CD8+T细胞和增加调节性T细胞和髓状细胞衍生的抑制细胞来促进免疫抑制瘤微环境.
ADARp110通过与SNRPD3和RNPS1相互作用稳定CD24mRNA,保护HCC细胞免受细胞分裂和氧化应激.

结论:

ADARp110通过调节瘤免疫微环境,在HCC进展中发挥重要作用.
CD24被确定为ADARp110的致癌功能的关键调解者.
向CD24为ADARp110过度表达的HCC提供了一个有希望的治疗途径.

关键词:

在 ADARp110 里面.CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 CD24 肝细胞癌是肝细胞癌.巨细胞是一个巨细胞.发酵细胞的形成发酵细胞的形成

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