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肠道微生物群和乳腺癌风险:根据ER状态分层的孟德尔随机化研究
Jian Yue1, Lei Gu2, Sheng Chen1
1Department of Breast Surgery, Gaozhou People's Hospital, No.89 Xiguan Road, 525200, Gaozhou, China.
Discover oncology
|August 11, 2025
概括
这项研究使用了门德尔的随机化来研究肠道微生物群和乳腺癌亚型之间的联系. 发现特定的肠道细菌与整体,ER阳性和ER阴性乳腺癌的风险增加或降低有关.
科学领域:
- 微生物组研究的研究.
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
背景情况:
- 肠道微生物群在乳腺癌 (BC) 发展中的作用,特别是其雌激素受体阳性 (ER+) 和阴性 (ER-) 亚型,需要进一步澄清.
- 了解这些关系可以为有针对性的治疗策略提供信息.
研究的目的:
- 研究特定肠道微生物群 (GM) 特性与乳腺癌 (BC) 风险之间的潜在因果关系.
- 为了在总体BC,ER+BC和ER-BC亚型中区分这些关联.
主要方法:
- 采用了两个样本的门德尔随机化 (MR) 分析.
- 通过使用大规模病例控制数据,检查了473个转基因丰度特征和BC之间的遗传预测因果关系.
主要成果:
- 在GM和BC亚型之间观察到不同的因果关系.
- 下巴尼西埃拉菌和更高的普罗维登西亚丰度与整体BC风险有关.
- 特定的细菌如Dokdonella,Flavonifractor,Rhodanobacter,Ruminococcus和UBA7177与ER+ BC有关.
- 细菌类A plebeius,CAG-273,CAG-390,CAG-433,Chromobacteriaceae,Providencia和Syntrophorhabdaceae显示了与ER-BC.的关联. 在这些研究中,细菌类A plebeius,CAG-273,CAG-390,CAG-433,Chromobacteriaceae,Providencia和Syntrophorhabdaceae显示了与ER-BC.的关联.
结论:
- 这项研究提供了基因依据的证据,证明特定肠道微生物在整体,ER+和ER-乳腺癌的发病过程中具有明显的因果作用.
- 确定了未来乳腺癌治疗干预措施的潜在微生物生物标志物.
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