作为炎症中的系统现象的托芬降解 - - 对13种慢性炎症性疾病的分析
Danielle M M Harris1, Silke Szymczak2, Sven Schuchardt3
1Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Institute for Human Nutrition and Food Science, Division Nutriinformatics, Kiel University, Kiel, Germany.
慢性炎症性疾病 (CID) 扰乱了托 (Trp) 的新陈代谢,通过 kynurenine 途径增加了它的分解. 这表明过度的Trp降解会影响CID的全身免疫力.
科学领域:
- 免疫学 免疫学 免疫学
- 代谢学 代谢学 代谢学
- 系统生物学 系统生物学
背景情况:
- 慢性炎症性疾病 (CID) 是影响多个器官的系统性疾病.
- (Trp) 代谢与免疫调节有关,在一些CID中观察到分解的增加.
- 了解CID中的Trp降解模式对于获得免疫系统洞察至关重要.
研究的目的:
- 描述各种慢性炎症疾病中托降解的特异性和程度.
- 研究托作为CID中的系统现象的作用.
- 探索CIDs中托芬代谢和免疫调节之间的联系.
主要方法:
- 使用高性能液态色谱和向质谱.
- 评估血清和便中托芬及其衍生物的水平.
- 采用了回顾性研究设计,采用来自健康和CID患者队列的横截面和纵向数据.
主要成果:
- 在大多数CID中观察到血清托芬水平降低.
- 在托和C反应蛋白 (CRP) 之间发现了负相关性,这是一个全身炎症标记物.
- 较高的金氨酸与氨酸 (Kyn:Trp) 比率表明通过金氨酸通路的降解增加,即使没有明显的全身炎症.
结论:
- 通过 kynurenine 途径增加的托芬代谢是 CID 中显著的代谢变化.
- 观察到的网络变化表明,与其他氨基酸相比,托的降解过度.
- 扰乱托代谢是CID的常见特征,可能直接影响系统免疫力.
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