The role of gut microbiota‐derived metabolites in neuroinflammation

Abstract Neuroinflammation, a key defense mechanism of the nervous system, is associated with changes in inflammatory markers and stimulation of neuroimmune cells such as microglia and astrocytes. Growing evidence indicates that the gut microbiota and its metabolites directly or indirectly regulate...

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Main Authors: Lingjie Mu, Yijie Wang
Format: Article
Language:English
Published: Wiley 2025-06-01
Series:Neuroprotection
Subjects:
Online Access:https://doi.org/10.1002/nep3.70001
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author Lingjie Mu
Yijie Wang
author_facet Lingjie Mu
Yijie Wang
author_sort Lingjie Mu
collection DOAJ
description Abstract Neuroinflammation, a key defense mechanism of the nervous system, is associated with changes in inflammatory markers and stimulation of neuroimmune cells such as microglia and astrocytes. Growing evidence indicates that the gut microbiota and its metabolites directly or indirectly regulate host health. According to recent studies, bacterial dysbiosis in the gut is closely linked to several central nervous system disorders that cause neuroinflammation, including multiple sclerosis, Alzheimer's disease, Parkinson's disease, sepsis‐associated encephalopathy, and ischemic stroke. Recent findings indicate a bidirectional communication network between the gut microbiota and central nervous system that influences neuroinflammation and cognitive function. Dysregulation of this system can affect the generation of cytotoxic metabolites, promote neuroinflammation, and impair cognition. This review explores the lesser‐studied microbiota‐derived metabolites involved in neuroinflammation—bile acids, trimethylamine‐N‐oxide, and indole derivatives—as targets for creating new treatment tools for neuroinflammatory illnesses, as well as possible biomarkers for early diagnosis and prognosis.
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spelling doaj-art-86b2b351dcc4496496d585c344dec7002025-08-20T02:40:28ZengWileyNeuroprotection2770-72962770-730X2025-06-013213114410.1002/nep3.70001The role of gut microbiota‐derived metabolites in neuroinflammationLingjie Mu0Yijie Wang1Department of Intensive Care Unit The First Affiliated Hospital of Kunming Medical University Kunming Yunnan ChinaDepartment of Intensive Care Unit The First Affiliated Hospital of Kunming Medical University Kunming Yunnan ChinaAbstract Neuroinflammation, a key defense mechanism of the nervous system, is associated with changes in inflammatory markers and stimulation of neuroimmune cells such as microglia and astrocytes. Growing evidence indicates that the gut microbiota and its metabolites directly or indirectly regulate host health. According to recent studies, bacterial dysbiosis in the gut is closely linked to several central nervous system disorders that cause neuroinflammation, including multiple sclerosis, Alzheimer's disease, Parkinson's disease, sepsis‐associated encephalopathy, and ischemic stroke. Recent findings indicate a bidirectional communication network between the gut microbiota and central nervous system that influences neuroinflammation and cognitive function. Dysregulation of this system can affect the generation of cytotoxic metabolites, promote neuroinflammation, and impair cognition. This review explores the lesser‐studied microbiota‐derived metabolites involved in neuroinflammation—bile acids, trimethylamine‐N‐oxide, and indole derivatives—as targets for creating new treatment tools for neuroinflammatory illnesses, as well as possible biomarkers for early diagnosis and prognosis.https://doi.org/10.1002/nep3.70001bile acidsindolesmicrobiota‐gut–brain axisneuroinflammationTMAO
spellingShingle Lingjie Mu
Yijie Wang
The role of gut microbiota‐derived metabolites in neuroinflammation
Neuroprotection
bile acids
indoles
microbiota‐gut–brain axis
neuroinflammation
TMAO
title The role of gut microbiota‐derived metabolites in neuroinflammation
title_full The role of gut microbiota‐derived metabolites in neuroinflammation
title_fullStr The role of gut microbiota‐derived metabolites in neuroinflammation
title_full_unstemmed The role of gut microbiota‐derived metabolites in neuroinflammation
title_short The role of gut microbiota‐derived metabolites in neuroinflammation
title_sort role of gut microbiota derived metabolites in neuroinflammation
topic bile acids
indoles
microbiota‐gut–brain axis
neuroinflammation
TMAO
url https://doi.org/10.1002/nep3.70001
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