潜在的三甲基胺 (TMA) 生产细菌在经过血液透析的慢性病患者中
相关实验视频
Updated: Jun 14, 2025
05:34
5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
Published on: April 4, 2025
525
Livia Alvarenga1,2, Julie Ann Kemp3,4, Júnia Schultz5
1Graduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil. liviaalvarenga92@gmail.com.
International urology and nephrology
|August 31, 2024
概括
肠道微生物组合与慢性病 (CKD) 患者的三甲基胺-N-氧化物 (TMAO) 水平有关. 像Sacharibacteria和Colidextribacter这样的特定细菌在高TMAO的细菌中更为丰富,这表明它们在尿性毒素积累中发挥了作用.
科学领域:
- 微生物组研究的研究.
- 腎臟病學 (nephrology) 是一種醫學.
- 代谢学 代谢学 代谢学
背景情况:
- 肠道微生物群产生三甲基胺 (TMA),这是三甲基胺-N-氧化物 (TMAO) 的前体.
- 高水平的TMAO是一种与心血管问题和CKD进展相关的尿素毒素.
研究的目的:
- 为了研究肠道微生物组成和TMAO血水平在血液透析 (HD) 患者之间的关系.
- 确定与CKD中高TMAO水平相关的特定微生物种群.
主要方法:
- 25名血液透析患者的横截面研究.
- 使用LC-MS/MS和RP-HPLC量化TMAO和其他尿素毒素 (IS,pCS,IAA).
- 便DNA的16SrRNA基因测序以分析肠道微生物群的组成.
主要成果:
- 高水平的TMAO与Sacharibacteria,Colidextribacter,Dorea和Staphylococci的丰富性增加相关.
- TMAO水平与饮食中的脂质摄入量负相关,与血清和NLRP3炎症酶表达呈正相关.
- 像Lachnospira和Lactobacilli这样的特定属在高TMAO患者中少见.
结论:
- 某些肠道细菌属 (Saccharibacteria,Colidextribacter,Dorea,Staphylococci) 与血液透析中CKD患者的TMAO水平较高有关.
- 在这个人群中,高TMAO与炎症标志物,饮食习惯和水平有关.
相关概念视频
01:27Dialysis
277
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
277
01:10Nephrons
2.2K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
2.2K
01:17Factors Affecting Renal Clearance: Renal Impairment
62
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
62