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New Generation of Osteoinductive and Antimicrobial Polycaprolactone-Based Scaffolds in Bone Tissue Engineering: A
Bartolomeo Coppola1, Francesca Menotti2, Fabio Longo2
1Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy.
Polymers
|June 27, 2024
Summary
Polycaprolactone (PCL) scaffolds were modified with antimicrobials and calcium phosphates to enhance bone regeneration. These PCL constructs effectively inhibited microbial growth while supporting human cell viability for improved bone tissue engineering.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Bone tissue engineering is rapidly advancing, offering innovative biomedical solutions.
- Polycaprolactone (PCL) is a versatile biocompatible and biodegradable polymer suitable for 3D scaffolds in bone regeneration.
- PCL properties can be tailored through modifications to improve its performance.
Purpose of the Study:
- To review recent investigations into modifying Polycaprolactone (PCL) scaffolds.
- To assess PCL modifications for impairing microbial adhesion while ensuring eukaryotic cell viability.
- To compare findings with existing literature on bone tissue engineering scaffolds.
Main Methods:
- Fabrication of 3D Polycaprolactone (PCL) scaffolds.
- Incorporation of biphasic calcium phosphate to enhance osteoproliferative features.
- Addition of alternative antimicrobials (silver, essential oils) at controlled concentrations.
Main Results:
- Developed 3D PCL constructs exhibited high interconnected porosity.
- Biphasic calcium phosphate addition improved human cell attachment and proliferation.
- Incorporated antimicrobials effectively counteracted microbial growth and biofilm formation without harming eukaryotic cells.
Conclusions:
- Modified PCL scaffolds demonstrate potential for bone tissue engineering applications.
- Combining antimicrobial properties with osteoconductive materials is a promising strategy.
- Multidisciplinary collaboration is crucial for optimizing biomaterials for bone defect healing.
