肠源性尿毒症毒素与血管钙化机制进展
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(上海交通大学医学院附属第一人民医院肾内科,上海市200080)

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何猛,硕士研究生,研究方向为血管钙化,E-mail:hm1987997410@163.com。

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国家自然科学基金项目(81970636);上海市第一人民医院临床研究创新团队建设项目(CTCCR-2021B09)


Advances in the study of gut-derived uremic toxins and vascular calcification
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Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China)

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    摘要:

    作为慢性肾脏病(CKD)常见的并发症,血管钙化(VC)显著增加了CKD并发心血管疾病(CVD)的发生率和死亡率。随着CKD病程进展和肾小球滤过率(GFR)的下降,某些无法有效被滤过和排出的溶质蓄积于体内形成尿毒症毒素,导致各种并发症发生并增加死亡率。肠源性尿毒症毒素(GUT)是由肠道菌群将肠道内的物质分解发酵所产生的代谢物,在CKD患者的病程和预后中具有重要的影响,并在VC的发生和发展的过程中扮演着重要角色。通过调节宿主肠道微生物群来改变尿毒症毒素水平,可以预防并治疗VC。本文将阐述几种常见的GUT包括小分子、中分子和蛋白结合的毒素等,通过调节宿主的炎症反应、氧化应激、信号通路等影响VC发生发展的具体机制,可能有助于为通过调节尿毒症毒素水平辅助治疗VC提供思路。

    Abstract:

    As a common complication of chronic kidney disease(CKD), vascular calcification(VC) significantly increases the incidence of CKD-complicated cardiovascular disease (CVD) and mortality. As chronic kidney disease advances and the glomerular filtration rate(GFT) declines, certain solutes, incapable of efficient filtration and elimination, amass within the body, coalescing into uremic toxins which instigate a spectrum of complications, ultimately intensifying mortality rates. Gut-derived uremic toxins(GUT), products of intestinal flora metabolizing and fermenting intestinal substances, significantly influence the trajectory and prognosis of CKD patients, exerting a pivotal role in the genesis of VC. Manipulating uremic toxin levels by modulating the host gut microbiota emerges as a potential means to prevent and manage VC. This discourse delves into elucidating the precise mechanisms through which various commonplace GUT—encompassing small molecules, macromolecules, and protein-bound toxins—impact the evolution of VC. This impact is predominantly observed through their modulation of the host's inflammatory response, oxidative stress, and signaling pathways. These insights offer a potential avenue for the modulation of uremic toxin levels, positing a novel adjunctive therapeutic approach for managing VC.

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何猛,戎殳.肠源性尿毒症毒素与血管钙化机制进展[J].中国动脉硬化杂志,2025,33(1):75~84.

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  • 收稿日期:2023-11-21
  • 最后修改日期:2024-01-09
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  • 在线发布日期: 2025-01-26