ArticleArthritis research & therapy2021
Exosomal circ-BRWD1 contributes to osteoarthritis development through the modulation of miR-1277/TRAF6 axis.
Article in Arthritis research & therapy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed, 50 citations in OpenAlex.
- CircBRWD1 Drives Atherosclerotic Plaque Progression by Modulating Macrophage Inflammatory Responses Through miR-141-5p/HMGB1/NF-κB Signaling.Molecular neurobiology · 2026Article
- Exosomes in bone health and disease: cellular crosstalk, systemic signaling, and AI-driven advances in regenerative therapy.Stem cell research & therapy · 2026Review
- PRKACB Attenuates Chondrocyte Loss and Inflammation in Osteoarthritis.Immunity, inflammation and disease · 2026Article
- Exosomes in Osteoarthritis: Emerging Roles in Pathogenesis, Diagnosis, and Therapeutic Potential.Current pharmaceutical design · 2026Review
- Exosomes: critical mediator and therapeutic target for osteoarthritis.American journal of translational research · 2026Review
- Dysregulated circRNA-miRNA-mRNA networks reveal stage-specific mRNA expression changes in Parkinson's disease.Molecular brain · 2025Article
- The Role of Extracellular Vesicles in Musculoskeletal Diseases.Journal of extracellular vesicles · 2025Review
- Exosomes in Osteoarthritis: Breakthrough Innovations and Advanced Tissue Engineering for Cartilage Regeneration Since 2020.Biomedicines · 2025Review
- Osteoarthritis: Mechanisms and Therapeutic Advances.MedComm · 2025Review
- Circ_0006646 Promotes the Progression of Osteoarthritis via Upregulating CDH11 Expression in an IGF2BP2-Dependent Manner.The Kaohsiung journal of medical sciences · 2025Article
- Research progress on exosomes from different sources in osteoarthritis and cartilage injury.Journal of orthopaedic surgery and research · 2025Review
- Extracellular Vesicle-Derived microRNA Crosstalk Between Equine Chondrocytes and Synoviocytes-An In Vitro Approach.International journal of molecular sciences · 2025Article
- The communication role of extracellular vesicles in the osteoarthritis microenvironment.Frontiers in immunology · 2025Review
- Circ-PDE1C/miR-766-3p/SGTB axis regulates the IL-1β-induced apoptosis, inflammation and oxidative stress in human chondrocytes.Advances in rheumatology (London, England) · 2024Article
- Harnessing exosomes for advanced osteoarthritis therapy.Nanoscale · 2024Review
- Circular RNAs in human diseases.MedComm · 2024Review
- MiR-98-5p plays suppressive effects on IL-1β-induced chondrocyte injury associated with osteoarthritis by targeting CASP3.Journal of orthopaedic surgery and research · 2024Article
- Review
- The Dual Role of Small Extracellular Vesicles in Joint Osteoarthritis: Their Global and Non-Coding Regulatory RNA Molecule-Based Pathogenic and Therapeutic Effects.Biomolecules · 2023Review
- Strategies for Cartilage Repair in Osteoarthritis Based on Diverse Mesenchymal Stem Cells-Derived Extracellular Vesicles.Orthopaedic surgery · 2023Review
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCircular RNAs (circRNAs) can act as vital players in osteoarthritis (OA). However, the roles of circRNAs in OA remain obscure. Herein, we explored the roles of exosomal circRNA bromodomain and WD repeat domain containing 1(circ-BRWD1) in OA pathology.
methodsIn vitro model of OA was constructed by treating CHON-001 cells with interleukin-1β (IL-1β). Quantitative real-time polymerase chain reaction (qRT-PCR) assay was used for circ-BRWD1, BRWD, miR-1277, and TNF receptor-associated factor 6 (TRAF6) levels. RNase R assay was conducted for the feature of circ-BRWD1. Transmission electron microscopy (TEM) was employed to analyze the morphology of exosomes. Western blot assay was performed for protein levels. Cell Counting Kit-8 (CCK-8) assay, flow cytometry analysis, and 5-Ethynyl-2'-deoxyuridine (EDU) assay were adopted for cell viability, apoptosis, and proliferation, respectively. Enzyme-linked immunosorbent assay (ELISA) was carried out for the concentrations of interleukin-6 (IL-6) and interleukin-8 (IL-8). Dual-luciferase reporter and RNA immunoprecipitation (RIP) assays were used to analyze the interaction between miR-1277 and circ-BRWD1 or TRAF6.
resultsCirc-BRWD1 was increased in OA cartilage tissues, IL-1β-treated CHON-001 cells, and the exosomes derived from IL-1β-treated CHON-001 cells. Exosome treatment elevated circ-BRWD1 level, while exosome blocker reduced circ-BRWD1 level in IL-1β-treated CHON-001 cells. Silencing of circ-BRWD1 promoted cell viability and proliferation and repressed apoptosis, inflammation, and extracellular matrix (ECM) degradation in IL-1β-stimulated CHON-001 cells. For mechanism analysis, circ-BRWD1 could serve as the sponge for miR-1277 to positively regulate TRAF6 expression. Moreover, miR-1277 inhibition ameliorated the effects of circ-BRWD1 knockdown on IL-1β-mediated CHON-001 cell damage. Additionally, miR-1277 overexpression relieved IL-1β-induced CHON-001 cell injury, while TRAF6 elevation restored the impact.
conclusionExosomal circ-BRWD1 promoted IL-1β-induced CHON-001 cell progression by regulating miR-1277/TRAF6 axis.
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