在移植后,正常的微生物组不会恢复
Hannah Craven1, Helen Erlandsson2, Dagmara McGuinness1
1University of Glasgow, College of Medical, Veterinary and Life Sciences, School of Molecular Biosciences, Davidson Bld, Glasgow, U.K.
Clinical science (London, England : 1979)
|September 27, 2023
概括
病的进展使肠道微生物失衡恶化,并增加炎症化合物. 移植改变了微生物组,但并没有完全恢复平衡,突出了针对性饮食干预的潜力.
科学领域:
- 微生物学 微生物学
- 腎臟病學 (nephrology) 是一種醫學.
- 代谢学 代谢学 代谢学
背景情况:
- 慢性病 (CKD) 与生理缺陷和尿素性表型有关.
- 微生物失生症和炎症代谢产物对 uraemic 现型有显著的贡献.
- 透析和移植 (Ktx) 对慢性病中的微生物失调和代谢物产生的影响需要进一步调查.
研究的目的:
- 为了研究CKD患者和Ktx接受者的循环中的细菌DNA特征.
- 为了确定CKD进展,透析和Ktx是否减轻微生物失调和炎症代谢物产生.
- 探索微生物代谢物,炎症和CKD中的微生物组合之间的关系.
主要方法:
- 在CKD患者和Ktx接受者的循环中分析细菌DNA特征.
- 在CKD5患者和Ktx患者之间比较微生物群落.
- 元数据分析将微生物组组成与炎症负担和代谢途径相关联.
主要成果:
- 慢性结核病的进展与微生物失生症的增加和产生三甲基胺 (TMA) 的细菌 (例如,Pseudomonas,Bacillus) 的水平升高有关.
- 与CKD5患者相比,Ktx接受者表现出独特的微生物组,TMA产生细菌增加,乳酸菌减少.
- TMA N-氧化物 (TMAO) 和单碳代谢显著影响炎症负担和微生物组合,这表明它们在塑造 uraemic 微生物组中的作用.
结论:
- 慢性瘤的特征是渐进的微生物失生症和TMA产生病原生物的增加.
- 移植改变了微生物群,但并没有完全恢复规范状态,TMA生产者和使用者起着复杂的作用.
- TMAO和单碳代谢是尿素微生物组的关键因素,为减轻CKD相关缺陷和促进更健康的微生物组提供了饮食干预的潜在目标.
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