ArticleAnnals of medicine2024
Limosilactobacillus-related 3-OMDP as a potential therapeutic target for depression.
Article in Annals of medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Coexistence of anhedonia and sensation-seeking with context-dependent gut dysbiosis in a prodromal transgenic mouse model of Parkinson's disease.Translational psychiatry · 2026Article
- Treadmill exercise alleviates depression in female mice induced by chronic unpredictable mild stress through the Inhibition of cGAS-STING signalling.Scientific reports · 2025Article
- Impact of gut microbiota on endometriosis: linking physical injury to mental health.Frontiers in cellular and infection microbiology · 2025Review
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Authors and funding
8 authors.
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Abstract
objectiveGut microbiota was closely involved in the pathogenesis of depression, but the underlying molecular mechanisms in depression remained unclear. This study was conducted to investigate the relationship between neurotransmitters/inflammatory factors and gut microbiota in depressed mice. MATERIALS AND
methodsA chronic social defeat stress (CSDS) depression model was established. Gut microbial composition was detected in faeces, neurotransmitters were detected in faeces, colon, blood and hippocampus, and inflammatory factors were detected in hippocampus. After a key neurotransmitter was identified, intervention experiment was conducted to explore whether it could improve depressive-like behaviours.
resultsSix differential genera in faeces, 14 differential neurotransmitters in gut-brain axis, and two differential inflammatory factors (interleukin-1 beta (IL-1β) and interleukin-6 (IL-6)) in hippocampus were identified in depressed mice. There were significant correlations among differential genera, differential neurotransmitters and IL-1β/IL-6. Among these differential neurotransmitters, 3-O-Methyldopa (3-OMDP) was found to be consistently decreased in faeces, colon, blood and hippocampus, and 3-OMDP was significantly correlated to Limosilactobacillus and IL-1β. After receiving 3-OMDP, the depressive-like behaviours in depressed mice were improved and the increased IL-1β/IL-6 levels were reversed.
conclusionsThese results indicated that gut microbiota might affect host's inflammation levels in brain through regulating neurotransmitters, eventually leading to the onset of depression. 'Limosilactobacillus-3-OMDP-IL-1β/IL-6' might be a potential pathway in the crosstalk of gut and brain, and 3-OMDP held the promise as a therapeutic target for depression.
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