ArticleEuropean journal of medical research2025
The dual role of titanium particles in osteolysis: implications for gene therapy in prosthesis loosening.
Article in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Oxypaeoniflorin Ameliorates Titanium Particle-Stimulated Osteolysis by Targeting Nrf2 to Reprogram Mitochondrial Homeostasis in Osteoclasts.Journal of cellular and molecular medicine · 2026Article
- Bone matrix-mimetic multi-ion doped hydroxyapatite nanorod arrays for enhanced immuno-osteogenesis and prevention of aseptic loosening.Bioactive materials · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundAseptic prosthesis loosening caused by wear particles is a major complication in patients with osteoarthritis following total joint replacement. Despite advancements in treatment, the underlying mechanisms remain poorly understood, and effective therapies are still lacking.
methodsIn this study, we investigated the effects of titanium particles on osteoclast and osteoblast differentiation through both in vitro and in vivo experiments.
resultsOur findings revealed that titanium particles not only promote the differentiation of RAW264.7 cells into osteoclasts and enhance the secretion of inflammatory factors but also inhibit the differentiation of BMSCs into osteoblasts and reduce the expression of Wnt signaling pathway-related factors. Furthermore, using a mouse model of knee prosthesis loosening and AAV-mediated gene therapy, we demonstrated that the combination of TNF-α interference and Wnt3a overexpression was more effective than single-gene therapy in reducing inflammatory cell infiltration, promoting bone formation, and mitigating bone destruction.
conclusionsThese results highlight the dual role of titanium particles in periprosthetic osteolysis and underscore the potential of a gene therapy strategy targeting both inflammatory factors and the Wnt signaling pathway to improve knee prosthesis loosening. This study provides a scientific foundation for developing novel therapeutic approaches.
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