ReviewFrontiers in immunology2025
The AhR/IL-22 axis in chronic gut inflammation: unraveling mechanisms and therapeutic prospects.
Review in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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The trial behind it
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
32 citing papers in PubMed.
- Antibacterial and Immunomodulatory Activities of a Natural Polysaccharide AgainstFood science & nutrition · 2026Article
- Microbiome-Derived Tryptophan Metabolites Regulate AhR Signaling to Restore Epithelial Barrier Integrity in Inflammatory Bowel Disease.MicrobiologyOpen · 2026Review
- Anti-hyperuricemia therapy alleviates diet-induced gut inflammation via AhR-IL-22-signalling.Journal of molecular medicine (Berlin, Germany) · 2026Article
- Review
- Postbiotic Nagqu4580 Attenuates Ulcerative Colitis and Suppresses Ferroptosis in Association with the Microbiota-Tryptophan-AhR/Nrf2 Axis.Nutrients · 2026Article
- Multi-Dimensional Mechanisms and Druggability Optimization Strategies of Active Ingredients from Traditional Chinese Medicine in the Treatment of Ulcerative Colitis.Pharmaceuticals (Basel, Switzerland) · 2026Review
- AhR as a Common Denominator in Immunity and Inflammation in Chronic Lung Diseases: Molecular and Clinical Insights.Diseases (Basel, Switzerland) · 2026Review
- Plant-Derived Foods and Medicines as Modulators of the Gut Microbiome: Molecular Interactions and Implications for Disease and Therapy.Molecules (Basel, Switzerland) · 2026Review
- The microbiome across the prostate disease continuum: from health and BPH to prostatitis/CPPS and cancer.Oncogene · 2026Review
- Importance of the inflammasome in gut-brain axis: from pathological driver to therapeutic target.Inflammopharmacology · 2026Review
- The Gut-Pancreas Axis in Type 1 Diabetes: Emerging Insights into Microbiota and Immune Interactions.International journal of molecular sciences · 2026Review
- Gut microbiota-derived metabolites as immune modulators in aging and age-related chronic inflammatory diseases.Ageing research reviews · 2026Review
- Multi-Kingdom Fecal Microbiota Alterations in Horses with Severe Equine Asthma.Microorganisms · 2026Article
- Microbiota-Derived Regulation of AhR and VDR Signaling in Intestinal Inflammation: Protective Roles of Prebiotics, Probiotics, and Postbiotics.International journal of molecular sciences · 2026Review
- Gut microbiota in Henoch-Schönlein purpura: from pathogenesis to therapeutic strategies.Frontiers in immunology · 2026Review
- ILC imbalance - a new piece in the gut-kidney axis puzzle.Frontiers in immunology · 2026Review
- Gut microbiota and microbiota-derived metabolites in radiation-induced injury: mechanisms and therapeutic opportunities.Frontiers in microbiology · 2026Review
- Fecal microbiota transplantation in ulcerative colitis: mucosal immune mechanisms and precision microbiota therapy.Frontiers in immunology · 2026Review
- Plasticity and antigen presentation by group 3 innate lymphoid cells in colorectal cancer.Frontiers in immunology · 2026Review
- Fecal microbiota transplantation alleviates DSS-induced colitis: increased fecal butyrate, reduced colonic p65 phosphorylation, and altered Th17/Treg ratios in the spleen and mesenteric lymph nodes.Frontiers in immunology · 2026Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic inflammatory bowel diseases, including Crohn's disease (CD), ulcerative colitis (UC), and post-infectious irritable bowel syndrome (PI-IBS), are characterized by immune-mediated intestinal inflammation and epithelial barrier dysfunction. Research indicates that the aryl hydrocarbon receptor (AhR)/interleukin-22 (IL-22) pathway is critical for intestinal homeostasis. This pathway can be activated by ligands from dietary and microbial sources (such as tryptophan metabolites), and AhR signaling in immune cells (particularly type 3 innate lymphoid cells (ILC3s) and T cells) is the primary driver of IL-22 production. IL-22 protects the intestinal barrier and regulates inflammatory responses by promoting epithelial repair, enhancing mucus and antimicrobial defenses, and strengthening tight junctions. Dysregulation of this pathway plays a key role in the pathogenesis of chronic intestinal inflammation, leading to exacerbated inflammatory processes and mucosal damage. Given its central role in barrier defense and repair, targeting the AhR/IL-22 pathway has emerged as a novel therapeutic direction for restoring intestinal homeostasis. This review summarizes the mechanisms of action of this pathway in chronic intestinal inflammation and explores its potential as a novel therapeutic target.
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