THY1+癌症干细胞驱动转移,通过由中性粒细胞衍生的线粒体塑造的伪阴极状态驱动转移
Wen-Hua Wan1, Pei-Lin Li1, Wen-Jie Cao1
1Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.
Nature cell biology
|February 12, 2026
概括
癌症干细胞 (CSCs) 驱动转移通过一种新型的伪毒性状态. 针对像IL-6-MYC这样的关键信号通路可以抑制这种CSC驱动的瘤扩散.
科学领域:
- 在瘤学瘤学.
- 细胞生物学 细胞生物学
- 癌症研究 癌症研究
背景情况:
- 驱动瘤转移的精确机制和特定癌症干细胞 (CSC) 子集仍然不完全理解.
- 识别转移中涉及的调节因素和细胞相互作用对于开发有效的癌症疗法至关重要.
研究的目的:
- 确定负责转移的特定CSC子集,并阐明潜在的分子机制.
- 为了研究新型"伪毒性"状态在CSC驱动的转移中所起的作用.
- 探索潜在的治疗点来抑制CSC转移.
主要方法:
- 利用了多组学分析和泛癌研究.
- 采用了多种瘤载体模型.
- 研究的信号通路包括IL-6-MYC,THY1-Mac1和Src-Akt/Erk.
主要成果:
- 确定THY1+ CSCs作为转移的关键驱动因素.
- 发现了"伪缺氧"状态,独立于经典缺氧,作为CSC转移的中心调节因素.
- 证明IL-6-MYC信号维持THY1+ CSC自我更新.
- 发现THY1+ CSC与中性粒细胞相互作用,诱导线粒体的驱逐和随后的CSC巨型皮诺细胞瘤,导致伪阴极症.
- 表明,准IL-6-Myc,THY1-Mac1或Src-Akt/Erk信号通路可以抑制伪缺氧驱动的CSC转移.
结论:
- THY1+ CSCs是通过一种新的伪缺氧机制转移的关键驱动因素.
- IL-6-MYC和THY1-Mac1信号轴,以及Src-Akt/Erk通路,是CSC伪阴极和转移的核心.
- 针对这些途径提供了一个有前途的治疗策略,以打击瘤转移并改善患者的治疗结果.
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