ArticleiScience2026
Uhrf1 in PDGFRα-lineage cells regulates osteophyte formation in osteoarthritis.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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9 authors.
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Abstract
Osteophytes are a characteristic feature of osteoarthritis (OA), and clarifying their molecular regulation may contribute to preventive and therapeutic strategies. Uhrf1 (ubiquitin-like containing PHD and RING finger domains 1), a regulator of DNA methylation maintenance, is indispensable for chondrocyte proliferation and differentiation in the growth plate. Because osteophytes develop via endochondral ossification, we hypothesized that Uhrf1 is involved in osteophyte formation. platelet-derived growth factor receptor α (PDGFRα)-lineage cell-specific Uhrf1-knockout mice showed that Uhrf1 regulates the proliferation and chondrogenic potential of synovial PDGFR-α-lineage cells during osteophyte development, influencing osteophyte formation. Furthermore, experiments using human synovial cells revealed that UHRF1 maintains DNA methylation and identified NLK (nemo-like kinase) as a candidate gene that may be regulated by UHRF1-mediated DNA methylation. These findings suggest that UHRF1 may modulate Wnt signaling and chondrogenic differentiation through the regulation of NLK. Together, these results highlight the role of Uhrf1 in osteophyte formation and provide insight into the mechanisms underlying OA progression, suggesting Uhrf1-mediated pathways as targets for OA.
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