ReviewNutrients2026
The Interactions Between Circadian Rhythm, Gut Microbiota, and Anxiety: From Mechanisms to Intervention Strategies.
Review in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The circadian rhythm is an internal timing system formed by the body's adaptation to the Earth's rotation, which helps maintain homeostasis by regulating physiological, metabolic, and behavioral activities. The gut microbiota (GM), the largest microbial ecosystem in the human body, exhibits a bidirectional regulatory relationship with the host circadian clock. Emerging evidence indicates that circadian rhythm disruption (CRD) is linked to disturbances in the diurnal oscillations and compositional balance of the GM, accompanied by reduced short-chain fatty acid levels, increased lipopolysaccharide leakage, and altered tryptophan metabolism. These microbial abnormalities may be involved in anxiety-like behaviors through three major pathways: neuroendocrine (hyperactivation of the HPA axis), immune (microglia-mediated neuroinflammation), and neurotransmitter (imbalance of the serotonergic and dopaminergic systems). Conversely, microbial metabolites such as butyrate and secondary bile acids may reciprocally regulate peripheral clock gene expression, forming a complex "circadian rhythm-GM-anxiety" interaction network. This review summarizes the molecular basis of circadian-GM interactions, potential GM-mediated mechanisms linking CRD with anxiety, and emerging intervention strategies including chrononutrition (time-restricted feeding, sequential nutrient intake), microbiota-targeted therapies (probiotics/prebiotics, fecal microbiota transplantation), and light therapy and melatonin supplementation. Future directions should focus on cell-specific mechanisms using single-cell and spatial transcriptomics, developing personalized interventions that integrate chronotype and microbiome profiling, and conducting large-scale randomized controlled trials to facilitate clinical translation. This review provides a framework for understanding the integrative role of circadian biology and gut microbiota in anxiety and may help develop precision intervention paradigms.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.