ArticleCell reports2023
Alpha-tocopherylquinone differentially modulates claudins to enhance intestinal epithelial tight junction barrier via AhR and Nrf2 pathways.
Article in Cell reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 37 citations in OpenAlex.
- Lactobacillus johnsonii BS15 Alleviates Fluoride-Induced Intestinal Barrier Injury by Regulating the RhoA/ROCK-Mediated Cytoskeletal Remodeling.Probiotics and antimicrobial proteins · 2026Article
- Article
- Particulate Matter-Induced Skin Injury: A Dual-Pathway AhR-Nrf2 Framework for Epidermal Homeostasis and Therapeutic Targeting.International journal of molecular sciences · 2026Review
- Oral Lysozyme Attenuates Neuroinflammation and Brain Injury After Traumatic Brain Injury Through Gut Microbiota-Dependent Reprogramming of Tryptophan Metabolism.CNS neuroscience & therapeutics · 2026Article
- Dietary Spermidine Mitigates Radiation-Induced Intestinal Injury by Reshaping the Microbiota-Barrier-Inflammation Axis.Food science & nutrition · 2026Article
- A Rapid Method for the Simultaneous Analysis of Tocopherols and Tocopherol Quinones in Edible Oils Using Normal-Phase High-Performance Liquid Chromatography.Foods (Basel, Switzerland) · 2026Article
- Vitamin E acetate and its aerosol activate aryl hydrocarbon receptor signaling and exacerbate inflammation in human U937-derived macrophages.Toxicology in vitro : an international journal published in association with BIBRA · 2026Article
- Aryl hydrocarbon receptor: a potential target for natural products in the treatment of inflammatory bowel disease.Frontiers in immunology · 2026Review
- Tongxie Yaofang ameliorates IBS-D by targeting the gut microbiota-derived tryptophan metabolites and AhR signaling axis.Frontiers in microbiology · 2026Article
- The NRF2/HO- 1 Pathway: a Potential Regulatory Factor in Fluoride-Induced Colonic Injury under Estrogen Deficiency.Biological trace element research · 2025Article
- Nrf2 as a Molecular Guardian of Redox Balance and Barrier Integrity in IBD.Antioxidants (Basel, Switzerland) · 2025Review
- Polysaccharide from Asimina triloba fruits alleviates DSS-induced ulcerative colitis by modulating inflammatory signaling and gut microbiota.NPJ science of food · 2025Article
- Aryl Hydrocarbon Receptor-Mediated Disruption of Intestinal Epithelial Barrier Integrity by Dioxin Isomers.Toxics · 2025Article
- Ruminal dysbiosis-induced mastitis: new insight into the pathogenesis of mastitis.Journal of animal science and biotechnology · 2025Review
- Indole-3-lactic acid protects the gut vascular barrier following intestinal ischemia injury through AhR/Nrf2/STAT3 mediated claudin 2 downregulation.Cell communication and signaling : CCS · 2025Article
- Balancing Host Defense and Viral Tolerance for the Development of Next-Generation Broad-Spectrum Antiviral Agents.Pathogens (Basel, Switzerland) · 2025Review
- 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
- ZeXieYin formula alleviates atherosclerosis by regulating SBAs levels through the FXR/FGF15 pathway and restoring intestinal barrier integrity.Chinese medicine · 2025Article
- Intestinal Epithelial Tight Junction Barrier Regulation by Novel Pathways.Inflammatory bowel diseases · 2025Review
- Sea buckthorn bioactive metabolites and their pharmacological potential in digestive diseases.Frontiers in pharmacology · 2025Review
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
Abstract
Defects in intestinal epithelial tight junctions (TJs) allow paracellular permeation of noxious luminal antigens and are important pathogenic factors in inflammatory bowel disease (IBD). We show that alpha-tocopherylquinone (TQ), a quinone-structured oxidation product of vitamin E, consistently enhances the intestinal TJ barrier by increasing barrier-forming claudin-3 (CLDN3) and reducing channel-forming CLDN2 in Caco-2 cell monolayers (in vitro), mouse models (in vivo), and surgically resected human colons (ex vivo). TQ reduces colonic permeability and ameliorates colitis symptoms in multiple colitis models. TQ, bifunctionally, activates both aryl hydrocarbon receptor (AhR) and nuclear factor erythroid 2-related factor 2 (Nrf2) pathways. Genetic deletion studies reveal that TQ-induced AhR activation transcriptionally increases CLDN3 via xenobiotic response element (XRE) in the CLDN3 promoter. Conversely, TQ suppresses CLDN2 expression via Nrf2-mediated STAT3 inhibition. TQ offers a naturally occurring, non-toxic intervention for enhancement of the intestinal TJ barrier and adjunct therapeutics to treat intestinal inflammation.
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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 OpenQuestion graph.