畜牧兽医学报 ›› 2026, Vol. 57 ›› Issue (1): 46-57.doi: 10.11843/j.issn.0366-6964.2026.01.005

• 综述 • 上一篇    下一篇

色氨酸代谢产物调控肠道氧化应激研究进展

孟云龙1,2(), 邓远坤1,2, 谭碧娥1,2, 王婧1,2()   

  1. 1.湖南农业大学动物科学技术学院,长沙 410128
    2.岳麓山实验室,长沙 410128
  • 收稿日期:2024-12-24 出版日期:2026-01-23 发布日期:2026-01-26
  • 通讯作者: 王婧 E-mail:15838295579@stu.hunau.edu.cn;jingwang023@hunau.edu.cn
  • 作者简介:孟云龙,硕士生,主要从事动物营养与饲料科学研究,E-mail:15838295579@stu.hunau.edu.cn
  • 基金资助:
    湖南省科技创新计划资助(2024RC3188);国家自然科学基金(32102571)

Research Progress on Tryptophan Metabolites in Alleviating Intestinal Oxidative Stress

MENG Yunlong1,2(), DENG Yuankun1,2, TAN Bi’e1,2, WANG Jing1,2()   

  1. 1.College of Animal Science and Technology,Hunan Agricultural University,Changsha 410128,China
    2.Yuelushan Laboratory,Changsha 410128,China
  • Received:2024-12-24 Online:2026-01-23 Published:2026-01-26
  • Contact: WANG Jing E-mail:15838295579@stu.hunau.edu.cn;jingwang023@hunau.edu.cn

摘要:

胃肠道不仅是营养物质消化、吸收和代谢的主要场所,也是活性氧(ROS)产生的重要来源,同时也是ROS攻击的主要靶器官。肠道健康是动物生长的核心因素,是保证畜禽生产效率的重要条件。色氨酸作为一种必需氨基酸,经宿主-微生物协同代谢生成吲哚、犬尿氨酸及5-羟色胺等代谢产物,这些代谢产物通过与内源性配体结合,参与调节肠道中氧化应激反应和炎症损伤。本文综述了肠道中色氨酸的宿主和微生物代谢途径,并探讨了肠道色氨酸代谢产物调控氧化应激及损伤修复的生理功能以及益生菌、营养素补充等干预措施,以期对肠道氧化应激的营养调控研究提供参考。

关键词: 肠道, 氧化应激, 色氨酸代谢, 肠道微生物, 营养调控

Abstract:

The gastrointestinal tract is not only a place where nutrients digest, absorb and metabolize, but also serves as both a primary source and a major target of reactive oxygen species (ROS). Intestinal health is a cornerstone of animal growth and a critical determinant of livestock production efficiency. Tryptophan, an essential amino acid, is metabolized by both host cells and gut microbiota into various bioactive compounds, such as indole, kynurenine and 5-hydroxytryptamine. These metabolites act as endogenous ligands to regulate intestinal oxidative stress and inflammatory damage. This review summarizes the host and microbial pathways of intestinal tryptophan metabolism, explores the physiological functions of tryptophan metabolites in modulating oxidative stress and tissue repair, and discusses the role of microbial tryptophan metabolism in potential nutritional interventions,including probiotics and nutritional supplements. These findings aim to inform research on nutritional strategies for managing gut health.

Key words: intestine, oxidative stress, tryptophan metabolism, intestinal microorganisms, nutritional regulation

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