ArticleInternational journal of nanomedicine2025
Anti-Infection Efficacy, Osteogenesis Potential, and Biocompatibility of 3D Printed PLGA/Nano-Hydroxyapatite Porous Scaffolds Grafted with Vancomycin/DOPA/rhBMP-2 in Infected Rabbit Bone Defects.
Article in International journal of nanomedicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Glucose metabolism in osteoporosis: A potential therapeutic target (Review).International journal of molecular medicine · 2026Review
- Artificial Intelligence and Digital Workflow in Craniofacial Bone Tissue Engineering: From Cone-Beam Computed Tomography (CBCT) to Personalized Bioceramic Implants.Dentistry journal · 2026Review
- Clinical translation and engineering challenges of soft robotic cardiac sleeves for heart failure.Nature communications · 2026Review
- Bioinspired and living multiscale composites for regenerative medicine in the treatment of surgical site infections.Journal of nanobiotechnology · 2026Review
- Poly(Lactic-Co-Glycolic Acid)-Based Systems in Implantology: Advances in Biomaterial Design, Drug Delivery, and Tissue Regeneration.Polymers · 2026Review
- Novel use of bisphosphonates to improve surgical outcomes in experimental bone tuberculosis.World journal of orthopedics · 2026Article
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Authors and funding
5 authors.
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Abstract
Background: Given the limitations of traditional therapies, the treatment of infected bone defects (IBD) remains a great challenge. It is urgent to find a novel method that can simultaneously eradicate infection and promote new bone formation. With the increasing application of personalized scaffolds in orthopedics, novel biomaterials with both antibacterial and osteoinductive properties have provided a viable option for IBD treatment. Through the three-dimensional (3D) printing technology, we fabricated a poly(lactic-co-glycolic acid)(PLGA)/nano-hydroxyapatite (n-HA) composite scaffold grafted with the antibiotic vancomycin and loaded with the osteoinductive agent recombinant human bone morphogenic protein-2 (rhBMP-2) via polydopamine (DOPA) chemistry, whose therapeutic effects on IBD were determined. Methods: After examining the hydrophilicity, surface chemical composition, mechanical properties, and drug release of the PLGA/n-HA, PLGA/n-HA/VAN, and PLGA/n-HA/VAN+DOPA/rhBMP-2 composite scaffolds, pre-osteoblast MC3T3-E1 cells were seeded onto the scaffold surface to assess the biocompatibility and osteoconductive properties of the scaffolds in vitro. For in vivo experiments, the composite scaffolds contaminated with Results: The surface modification with DOPA/rhBMP-2 increased the hydrophilicity of PLGA/n-HA scaffolds. Vancomycin and BMP-2 were continuously and regularly eluted from the PLGA/n-HA/VAN+DOPA/rhBMP-2 scaffolds. The PLGA/n-HA/VAN+DOPA/rhBMP-2 scaffolds promoted MC3T3-E1 cell survival and proliferation and enhanced ALP activity and calcium deposition compared with the PLGA/n-HA and PLGA/n-HA/VAN scaffolds. Additionally, the PLGA/n-HA/VAN+DOPA/rhBMP-2 scaffolds significantly facilitated new bone formation and inhibited bone infection in IBD rabbit models. The rabbits implanted with the PLGA/n-HA/VAN+DOPA/rhBMP-2 scaffolds exhibited normal heart, lung, and kidney histologies and normal serum biochemical indices, suggesting the safety of the scaffolds. Conclusion: The 3D-printed PLGA/n-HA/VAN+DOPA/rhBMP-2 scaffolds exhibited both antibacterial and osteoinductive activities in IBD.
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