揭示肠道微生物群和肺癌之间的因果关系:孟德尔的随机化研究
Yingchen Li1, Ke Wang2, Yuchong Zhang1
1Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, China.
Frontiers in cellular and infection microbiology
|October 13, 2023
概括
这项研究使用了门德尔的随机化来研究肠道细菌与肺癌风险之间的因果关系. 发现特定的肠道微生物对肺癌的发展产生了因果影响,从而提供了新的治疗点.
科学领域:
- 微生物组研究 微生物组研究
- 在瘤学瘤学.
- 遗传流行病学遗传流行病学
背景情况:
- 肠道微生物群与肺癌风险有关,但因果关系尚未完全理解.
- 研究特定肠道细菌在不同肺癌亚型中的作用至关重要.
研究的目的:
- 使用孟德尔随机化 (MR) 确定肠道微生物群对各种肺癌类型的因果关系.
- 确定与肺癌,肺腺癌,状细胞肺癌和小细胞肺癌因果相关的特定细菌群.
主要方法:
- 一项大规模的门德尔随机化研究,利用来自MiBioGen联盟的全基因组关联研究数据和来自多个联盟的肺癌数据.
- 采用逆方差加权 (IVW),加权中位数,MR-Egger和加权模式方法进行因果推断.
- 进行敏感性分析以评估型和异质性,以及多变量MR (MVMR) 直接因果作用.
主要成果:
- 确定了40个肠道微生物群,与肺癌亚型有潜在的因果关系.
- 具体来说,10组与整体肺癌有关,10组与肺腺癌有关,9组与状细胞肺癌有关,11组与小细胞肺癌有关.
- 在FDR校正后,证实了Peptococcaceae和肺腺癌之间的显著因果关系,并进行了强大的灵敏度分析.
结论:
- 证实了特定肠道微生物群和肺癌发展之间的因果关系.
- 提供了关于肠道微生物组在调解肺癌发病过程中的作用的新见解.
- 暗示了肠道微生物向干预在肺癌预防和治疗中的潜力.
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