结肠直肠癌中的屏障-微生物群-炎症轴:机制和新兴的诊断和治疗策略
Xuanchi Dong1, Ji Yang1, Langyu He2
1Department of Gastrointestinal Surgery, Central Hospital of Dalian University of Technology (Dalian Municipal Central Hospital), Dalian 116021, China.
Cancers
|February 27, 2026
概括
肠道微生物群失调和肠道屏障功能障碍导致结肠直肠癌 (CRC) 的发病. 针对这一轴为早期CRC检测和治疗提供了潜力.
科学领域:
- 胃肠病学 胃肠病学
- 在瘤学瘤学.
- 微生物学 微生物学
背景情况:
- 结肠直肠癌 (CRC) 是一个主要的全球健康问题,在年轻人群中发病率越来越高.
- 一个关键的病理轴涉及肠道屏障破坏,肠道微生物失调症和慢性炎症都与CRC启动有关.
研究的目的:
- 审查肠道微生物群,肠道屏障完整性和结直肠癌 (CRC) 发展中的炎症途径之间的复杂关系.
- 探索这个轴对早期CRC诊断和治疗策略的潜力.
主要方法:
- 文献综述侧重于肠道微生物群组成,肠道屏障功能和CRC炎症信号之间的相互作用.
- 分析微生物转移,化学屏障变化及其对上皮质完整性和瘤发生的影响.
主要成果:
- 早期结直肠病变显示微生物多样性减少,社区结构改变,粘液/紧结合完整性受损.
- 短链脂肪酸减少和二次胆酸增加有助于表皮细胞的脆弱性和炎症.
- 微生物产品穿过受损屏障的转移会引发炎症并促进瘤发生.
结论:
- 肠道微生物群-肠道屏障-炎症轴是结直肠癌 (CRC) 发病的关键驱动因素.
- 这种理解为开发用于早期病理检测和干预CRC的新策略提供了基础.
- 未来的研究方向包括基于这一轴的精密选和分层管理.
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