菌核与瘤特征,免疫微环境和尾癌的生存有关
Christopher Sherry1, Neda Dadgar2, Hyun Park1
1Allegheny Health Network Cancer Institute, Pittsburgh, PA 15224, USA.
Microorganisms
|July 30, 2025
概括
细菌 Fusobacterium nucleatum (Fn) 在尾癌 (AC) 中很常见. 在AC中更高的Fn密度与特定的临床因素和改善的生存结果相关,与其在结直肠癌中的作用不同.
科学领域:
- 在瘤学瘤学.
- 微生物组研究 微生物组研究
- 胃肠病学 胃肠病学
背景情况:
- 瘤微生物组,包括Fusobacterium nucleatum (Fn),与胃肠道癌症有关.
- 虽然Fn在结直肠癌中的作用已知,但其在尾癌 (AC) 中的存在和影响仍然未被探索.
研究的目的:
- 为了确定Fn在AC的流行率.
- 研究Fn密度与临床因素,免疫微环境和AC患者结局的关联.
主要方法:
- 在54个档案AC组织样本中使用RNA in situ杂交来量化Fn密度.
- 免疫组织化学评估了CD3+,CD8+T淋巴细胞和M1-/M2-类瘤相关的巨细胞.
- 从电子医疗记录中收集了临床病理学数据.
主要成果:
- 在AC中,Fn是普遍存在的,并且与患者年龄,瘤等级和组织学亚型有关.
- 在低级AC中,Fn密度与CD3+/CD8+T细胞相反相关,与M2型TAMs相反相关.
- 瘤Fn含量与改善的整体和无进展生存率有关,独立于瘤等级.
结论:
- 在尾癌中,Fn是普遍存在的,与结直肠癌的相关性不同.
- 在AC中的Fn密度与临床,病理,免疫和预后变量有关.
- 需要进一步的研究来阐明Fn在AC病原和免疫反应中的机械作用.
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