ArticleMolecules (Basel, Switzerland)2022
Curcumin Facilitates Aryl Hydrocarbon Receptor Activation to Ameliorate Inflammatory Astrogliosis.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 25 citations in OpenAlex.
- Curcumin Retains Anti-Inflammatory Effects Despite IDO Inhibition-Associated Neutrophilic Shift in OVA-Induced Rat Model.Biomolecules · 2026Article
- Particulate Matter-Induced Skin Injury: A Dual-Pathway AhR-Nrf2 Framework for Epidermal Homeostasis and Therapeutic Targeting.International journal of molecular sciences · 2026Review
- Kynurenine Pathway, Nrf2 and NF-κB Cross-Regulation in the CNS: An Overview.Molecular neurobiology · 2026Review
- Curcumin Between Pleiotropic Potential and Translational Constraints.International journal of molecular sciences · 2026Review
- Aryl Hydrocarbon Receptor (AhR) and Vascular Endothelial Growth Factor (VEGF) Crosstalk in Doxorubicin Nephrotoxicity: Mechanisms and Therapeutic Perspectives.Current issues in molecular biology · 2026Article
- The aryl hydrocarbon receptor: a new frontier in male reproductive system.Reproductive biology and endocrinology : RB&E · 2025Review
- Extraction of Curcuminoids and Carvacrol with Biobased Ionic Liquids-Evaluation of Anti-Cancer Properties of Curcuminoid Extracts.Molecules (Basel, Switzerland) · 2025Article
- Skatole Alleviates Osteoarthritis by Reprogramming Macrophage Polarization and Protecting Chondrocytes.Research (Washington, D.C.) · 2025Article
- Aryl hydrocarbon receptor deficiency enhances astrocyte sensitivity to LPS-induced inflammation.Frontiers in cellular neuroscience · 2025Article
- Possible Combinatorial Utilization of Phytochemicals and Extracellular Vesicles for Wound Healing and Regeneration.International journal of molecular sciences · 2024Review
- Short-chain fatty acids suppresses astrocyte activation by amplifying Trp-AhR-AQP4 signaling in experimental autoimmune encephalomyelitis mice.Cellular and molecular life sciences : CMLS · 2024Article
- Review
- Inflammation, Autoimmunity and Neurodegenerative Diseases, Therapeutics and Beyond.Current neuropharmacology · 2024Article
- The gut microbiota-astrocyte axis: Implications for type 2 diabetic cognitive dysfunction.CNS neuroscience & therapeutics · 2023Review
- Molecular Docking of Natural Compounds for Potential Inhibition of AhR.Foods (Basel, Switzerland) · 2023Article
- Indole-3-propionic acid alleviates chondrocytes inflammation and osteoarthritis via the AhR/NF-κB axis.Molecular medicine (Cambridge, Mass.) · 2023Article
- Article
- Protective Effect ofNutrients · 2022Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
Curcumin is an anti-inflammatory and neuroprotective compound in turmeric. It is a potential ligand of the aryl hydrocarbon receptor (AhR) that mediates anti-inflammatory signaling. However, the AhR-mediated anti-inflammatory effect of curcumin within the brain remains unclear. We investigated the role of AhR on the curcumin effect in inflammatory astrogliosis. Curcumin attenuated lipopolysaccharide (LPS)-induced proinflammatory IL-6 and TNF-α gene expression in primary cultured rat astrocytes. When AhR was knocked down, LPS-induced IL-6 and TNF-α were increased and curcumin-decreased activation of the inflammation mediator NF-κB p65 by LPS was abolished. Although LPS increased AhR and its target gene CYP1B1, curcumin further enhanced LPS-induced CYP1B1 and indoleamine 2,3-dioxygenase (IDO), which metabolizes tryptophan to AhR ligands kynurenine (KYN) and kynurenic acid (KYNA). Potential interactions between curcumin and human AhR analyzed by molecular modeling of ligand-receptor docking. We identified a new ligand binding site on AhR different from the classical 2,3,7,8-tetrachlorodibenzo-p-dioxin site. Curcumin docked onto the classical binding site, whereas KYN and KYNA occupied the novel one. Moreover, curcumin and KYNA collaboratively bound onto AhR during molecular docking, potentially resulting in synergistic effects influencing AhR activation. Curcumin may enhance the inflammation-induced IDO/KYN axis and allosterically regulate endogenous ligand binding to AhR, facilitating AhR activation to regulate inflammatory astrogliosis.
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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.