针对TRIM15介导的Axin1脱聚合抑制Wnt信号传递,并抑制结直肠癌的生长
Hangfei Liang1,2, Fanghong Zheng1, Jincheng Wu3
1Department of General Surgery, Center for Oncology Medicine, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, China.
Cell death & disease
|December 29, 2025
概括
三方基因15 (TRIM15) 破坏了Axin1的聚合,促进了Wnt信号传递和结直肠癌的生长. 向TRIM15可能通过抑制Wnt信号提供结直肠癌的治疗策略.
科学领域:
- 分子生物学分子生物学
- 在瘤学瘤学.
- 细胞信号传递 细胞信号传递
背景情况:
- Axin1对于Wnt/β-catenin信号传递和癌症进展至关重要.
- 在β-catenin破坏复合体中,axin1聚合是必不可少的.
- 调节Axin1聚合的机制尚未完全理解.
研究的目的:
- 研究TRIM15在调节Axin1聚合中的作用.
- 阐明TRIM15对Wnt信号和结直肠癌的影响.
- 探索TRIM15作为结直肠癌的潜在治疗点.
主要方法:
- 研究了TRIM15与Axin1的相互作用,使用其卷轴-卷轴域.
- 操纵TRIM15表达以评估对Wnt信号传递,细胞增殖和瘤生长的影响.
- 使用小鼠模型 (AOM/DSS和ApcMin/+) 进行Trim15.的遗传废除研究.
主要成果:
- 发现TRIM15干扰了Axin1的聚合,促进了Wnt的激活和结直肠癌的生长.
- 减少TRIM15表达显著抑制了Wnt信号传递,细胞增殖和瘤生长.
- 在小鼠模型中,Trim15的基因切除抑制了瘤形成.
- TRIM15作为Wnt标基因,在结肠癌中形成一个积极的反循环.
- 在结直肠癌中,TRIM15的表达很高,与β-catenin有积极的相关性.
- 增加的Axin1水平和聚合物协同诱导了亡.
结论:
- TRIM15负面调节了Axin1的聚合,从而促进了Wnt信号传递和结直肠癌.
- 向TRIM15通过调节Wnt信号传递,为结直肠癌提供了一个潜在的治疗策略.
- TRIM15是Axin1聚合的新型调节剂,也是结直肠癌中的潜在生物标志物.
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