针对ANXA8-SP1-PPA1轴调节扩散型胃癌中的TCA循环和矩阵沉积
Yuxia Wu1,2, Xiangyan Jiang1,2, Huiguo Qing1,2
1Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Research (Washington, D.C.)
|August 27, 2025
概括
通过抑制TCA循环和促进密集的细胞外基质 (ECM) 沉积,研究人员确定Annexin A8 (ANXA8) 是扩散型胃癌 (DGC) 进展的关键驱动因素. 针对ANXA8使用UNC2025显示了对DGC的治疗前景.
科学领域:
- 癌症学
- 分子生物学
- 代谢途径
背景情况:
- 扩散型胃癌 (DGC) 具有攻击性,具有密集的细胞外基质 (ECM) 和不明确的代谢重编程.
- 代谢重编程对于瘤进展和ECM沉积至关重要,但调节机制尚不清楚.
研究的目的:
- 确定DGC的代谢特征,并阐明将代谢重编程与ECM沉积联系起来的调节机制.
- 研究Annexin A8 (ANXA8) 在DGC进展中的作用及其作为治疗点的潜力.
主要方法:
- 综合单细胞测序,蛋白质组学,代谢学和临床数据.
- 研究了ANXA8的作用机制,包括与SP1的相互作用和三碳酸 (TCA) 循环的调节.
- 使用器官查和患者衍生的异体移植来测试ANXA8抑制 (UNC2025) 和与5-甲 (5-FU) 联合治疗的疗效.
主要成果:
- 在DGC中,三碳酸 (TCA) 循环被抑制,与密集的ECM形成相关.
- 确定ANXA8是抑制TCA循环,激活与癌症相关的纤维细胞,并促进ECM沉积的关键调节剂.
- 除ANXA8抑制了恶性病变,使用UNC2025向ANXA8恢复了TCA循环活性,抑制了ECM沉积,并增强了5-FU的疗效.
结论:
- 通过ANXA8抑制TCA循环导致ECM形成和DGC恶性进展.
- 针对ANXA8是一种有前途的DGC治疗策略,有可能提高5-FU等标准化疗的疗效.
- 选择性ANXA8抑制剂UNC2025具有显著的治疗潜力,特别是在通过纳米输送系统输送时.
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