肠道微生物通过油酸降解减轻与压力相关的癌症转移
Chen Liu1,2,3, Junli Gong1,2,4, Zhanhao Luo2,3,4
1Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.
Gut
|November 30, 2025
概括
慢性压力通过改变肠道细菌和增加油酸 (OA) 来恶化癌症转移. 恢复Bifidobacterium animalis可能会防止瘤的进展,即使在压力激素正常化后.
科学领域:
- 微生物学 微生物学
- 在瘤学瘤学.
- 代谢学 代谢学 代谢学
背景情况:
- 慢性压力是已知的癌症转移的风险因素.
- 涉及肠道微生物群和代谢物的机制尚不清楚.
研究的目的:
- 调查肠道失调和代谢变化是否介导压力诱导的转移.
- 确定这些影响是否在压力激素正常化后还存在.
主要方法:
- 使用了小鼠转移模型的转移模型. 后压力停止.
- 执行了枪头元基因组学和代谢学.
- 在体内和体外评估Bifidobacterium animalis和油酸 (OA) 的影响.
- 通过瓜代谢研究了皮质类固醇与肠道细菌的相互作用.
主要成果:
- 慢性压力增加了转移,改变了肠道微生物群,减少了B. animalis,增加了OA.
- B. animalis的使用抑制了转移;OA补充促进了转移.
- 压力激素通过瓜代谢抑制了B. animalis.
- 人类CRC患者显示与压力相关的OA增加和B. animalis减少.
结论:
- 慢性压力通过微生物群的改变和增加的OA促进转移.
- 准B. animalis和OA可以防止与压力相关的瘤进展.
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