多omics分析揭示了肥胖症中肠道微生物胺生产的改变
Yu Xia1,2, Longya Lu3, Lulu Wang4
1Department of Pharmacy, China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing, China.
Frontiers in microbiology
|July 2, 2025
概括
减少便中的乙胺,一种B族维生素,与肥胖和肠道细菌的变化有关. 低胺水平和肠道中胺产生细菌的减少可能会导致肥胖的发展.
科学领域:
- 微生物组研究的研究.
- 营养科学 营养科学
- 代谢健康 代谢健康
背景情况:
- 维生素B对肠道微生物平衡和新陈代谢至关重要.
- 肠道B族维生素稳态及其与肥胖等疾病的联系还未得到充分研究.
- 肥胖与肠道微生物群和宿主代谢的复杂变化有关.
研究的目的:
- 研究B族维生素,肠道微生物群和肥胖之间的关系.
- 探索肠道内B族维生素水平的变化及其与肥胖现象型的关联.
- 了解肠道微生物生态,B族维生素代谢和肥胖之间的相互作用.
主要方法:
- 便中遗传学和代谢学 (B族维生素,SCFA) 的综合分析.
- 分析63名参与者队列中的肥胖表型 (31名对照组,32名肥胖者).
- 相关性和回归分析将微生物和代谢数据与肥胖指标联系起来.
主要成果:
- 肥胖个体的便胺水平显著降低 (P < 0.001).
- 便胺与BMI,胰岛素耐药性和甘油三酸具有负相关性.
- 肥胖与减少胺产生细菌和降低微生物胺合成酶活性有关.
结论:
- 微生物胺生产受损与肠道失调和肥胖有关.
- 胺缺乏可能导致肥胖的发作.
- 用胺准肠道微生物群可能是预防肥胖的策略.
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