ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
AhR-Dependent Induction of β-Defensin 1 in Colonic Epithelial Cells Regulates Cross-Talk between Gut Microbiota and Immune Response Leading to Attenuation of Colitis.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Mechanisms and Implications of Gut Microbiota-Derived Metabolites in the Regulation of Poultry Defensins.Animals : an open access journal from MDPI · 2026Review
- Multi-Dimensional Mechanisms and Druggability Optimization Strategies of Active Ingredients from Traditional Chinese Medicine in the Treatment of Ulcerative Colitis.Pharmaceuticals (Basel, Switzerland) · 2026Review
- Astragaloside IV Alleviates DSS-Induced Ulcerative Colitis by Modulating Host-Gut Tryptophan Metabolism.Foods (Basel, Switzerland) · 2026Article
- Biphasic Regulation of Epithelial Antimicrobial Peptides DuringJournal of fungi (Basel, Switzerland) · 2026Article
- Article
- Aryl hydrocarbon receptor: a potential target for natural products in the treatment of inflammatory bowel disease.Frontiers in immunology · 2026Review
- Gut microbial metabolites in inflammatory bowel disease: immunological mechanisms regulating Treg/Th17 balance and therapeutic potential.Frontiers in immunology · 2026Review
- Er-Chen Decoction ameliorates metabolic dysfunction-associated steatotic liver disease via gut microbiota-barrier axis-driven hepatic metabolic reprogramming.Frontiers in microbiology · 2026Article
- Intestinal amino acid metabolic response and its roles in inflammatory bowel disease.Cell communication and signaling : CCS · 2025Review
- InactivatedFoods (Basel, Switzerland) · 2025Article
- Identification and validation of aryl hydrocarbon receptor-associated hub genes in ulcerative colitis via integrated bioinformatics analysis.Human genomics · 2025Article
- IL-17A inhibitors modulate skin microbiome in psoriasis: implications for microbial homeostasis.Journal of translational medicine · 2025Article
- AhR-Dependent Induction of β-Defensin 1 in Colonic Epithelial Cells Regulates Cross-Talk between Gut Microbiota and Immune Response Leading to Attenuation of Colitis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Abstract
The aryl hydrocarbon receptor (AhR) acts as a critical signaling hub that connects immune cells, food and environmental cues, and microbiota to regulate intestinal homeostasis. In the current study, the role of AhR in the regulation of an antimicrobial peptide, β-defensin1 (BD-1) is investigated to control colitis. Human patients with ulcerative colitis (UC) and Crohn's disease (CD), and mice with three different models of colitis, express a significant decrease in the expression of BD-1 in colonic epithelial cells (CECs). Dietary and environmental AhR ligands induce the expression of BD-1 in CECs through the activation of two dioxin-responsive elements (DREs) expressed on its promoter. AhR ligands attenuate colitis in wild-type (WT) mice while inducing BD-1. However, AhR ligands fail to induce BD-1 and protect mice from colitis when there is an intestinal epithelial cell (IEC)-specific deletion of AhR. Blocking BD1 in vivo using antibodies prevents the ability of AhR ligands to ameliorate colitis, restore dysbiosis, and attenuate colonic inflammation. The current study identifies a novel pathway involving dietary, environmental, and endogenous AhR ligands to induce the antimicrobial peptide BD-1 in IECs, which in turn, plays a critical role in the regulation of intestinal homeostasis.
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