ArticleClinical and translational medicine2025
The antiarthritic effect of CBR-470-1 in hypoxic environment is to increase the level of NOD-like receptor family pyrin domain containing 3 ubiquitination by decreasing phosphoglycerate kinase 1 activity.
Article in Clinical and translational medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Metformin-pretreated synovial mesenchymal stem cell-derived exosomes alleviate osteoarthritis via the miR-1208/METTL3/NLRP3 axis.Journal of nanobiotechnology · 2026Article
- HIF-1α-centered metabolic reprogramming in osteoarthritis: cell type-specific effects and intercellular crosstalk among chondrocytes, BMSCs, and macrophages.Frontiers in immunology · 2026Review
- Inhibition of PGK1 ameliorates acute kidney injury through inactivating the PKM2/ALOX12/ferroptosis pathway in a study with male mice.Nature communications · 2025Article
- NLRP3 Inflammasome-Mediated Pyroptosis in Osteoporosis: Osteoimmune Mechanisms and Therapeutic Targeting.Journal of cellular and molecular medicine · 2025Review
- The antiarthritic effect of CBR-470-1 in hypoxic environment is to increase the level of NOD-like receptor family pyrin domain containing 3 ubiquitination by decreasing phosphoglycerate kinase 1 activity.Clinical and translational medicine · 2025Article
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Abstract
backgroundHypoxia can affect the occurrence and development of inflammation in humans, but its effects on the disease progression of osteoarthritis (OA) remain unclear. Synovial macrophages play an essential role in the progression of arthritis. Specifically, the activation of the NOD-like receptor family pyrin domain containing 3 (NLRP3) in macrophages induces the secretion of a series of inflammatory factors, accelerating the progression of OA.
methodsThe effects of CBR-470-1 were assessed in a mouse model of OA induced by destabilization of the medial meniscus (DMM) by micro-computed tomography imaging, Safranin-O and Fast Green staining, immunofluorescence staining and enzyme-linked immunosorbent assay. Western Blot analysis was used to explore the underlying mechanism of these experimental results. Additionally, a co-culture system of THP-1 and chondrocytes was established to investigate the impact of CBR-470-1 on chondrocyte proliferation, apoptosis, migration and the regulation of chondrocyte-related proteins within the system.
resultsIn hypoxic conditions, CBR-470-1 significantly inhibited the progression of OA in the DMM-induced OA mouse model, but that effect disappeared in the DMM-induced OA phosphoglycerate kinase 1 (PGK1)
conclusionsThis study conducted a series of in vitro and in vivo experiments, revealing that hypoxia plays a pro-inflammatory role by increasing PGK1 activity and reducing the binding of the deubiquitinating enzyme ubiquitin-specific peptidase 14 to NLRP3, thereby reducing the ubiquitination level of NLRP3. CBR-470-1, a specific inhibitor of PGK1, can reduce PGK1 activity to reverse the role of hypoxia in the progression of OA. These findings lay a foundation for the development of OA treatment in a hypoxic environment. KEY POINTS: Hypoxia plays a pro-inflammatory role by increasing PGK1 activity and thereby decreasing the ubiquitination level of NLRP3. Hypoxia plays a pro-inflammatory role by increasing PGK1 activity, reducing the binding of the deubiquitinating enzyme USP14 to NLRP3, and reducing the ubiquitination level of NLRP3. CBR-470-1 reverses the role of hypoxia in the progression of osteoarthritis.
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