ArticleJournal of orthopaedic research : official publication of the Orthopaedic Research Society2024
A translational murine model of aseptic loosening with osseointegration failure.
Article in Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Evaluating osseointegration, bone remodeling and osteolysis after total wrist arthroplasty using photon-counting detector CT.Skeletal radiology · 2026Article
- A Preclinical Approach to 3D-Printed Osseointegration Prosthesis: Improving Functional Outcomes and Reducing Complications in Residual Limb Reconstruction.Annals of biomedical engineering · 2026Article
- Research Progress on the Structure and Properties of Medical Bone Implants Based on Additive Manufacturing.Micromachines · 2026Review
- Innovations in Implant Osseointegration: Biomaterials, Surface Engineering, and Translational Strategies.Journal of biomedical materials research. Part A · 2026Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
An in vivo animal model of a weight-bearing intra-articular implant is crucial to the study of implant osseointegration and aseptic loosening caused by osseointegration failure. Osseointegration, defined as a direct structural and functional attachment between living bone tissue and the surface of a load-carrying implant, is essential for implant stability and considered a prerequisite for the long-term clinical success of implants in total joint arthroplasty. Compared to large animal models, murine models offer extensive genetic tools for tracing cell differentiation and proliferation. The 18- to 22-week-old C57BL/6J background mice underwent either press-fitted or loose implantation of a titanium implant, achieving osseointegration or fibrous integration. A protocol was developed for both versions of the procedure, including a description of the relevant anatomy. Samples were subjected to microcomputed tomography and underwent biomechanical testing to access osseointegration. Lastly, samples were fixed and embedded for histological evaluation. The absence of mineralized tissue and weakened maximum pull-out force in loose implantation samples indicated that these implants were less mechanically stable compared to the control at 4 weeks postoperation. Histological analysis demonstrated extensive fibrotic tissue in the peri-implant area of loose implantation samples and excellent implant osseointegration in press-fitted samples at 4 weeks. Both mechanically stable and unstable hemiarthroplasty models with either osseous ingrowth or a robust periprosthetic fibrosis were achieved in mice. We hope that this model can help address current limitations for in vivo study of aseptic loosening and lead to necessary translational benefits.
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