Recent advances in PLGA-based biomaterials for bone tissue regeneration

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Polymer Chemistry

Background:

• Bone regeneration involves multiple scientific disciplines, with biomaterials playing a crucial role.
• Poly (lactic-co-glycolic acid) (PLGA) is a widely utilized synthetic polymer in bone tissue engineering due to its biocompatibility and tunable degradation.
• Despite advancements, the optimal biomaterial for bone regeneration remains under investigation.

Purpose of the Study:

• To systematically review the progress of PLGA-based materials for bone regeneration.
• To analyze different application forms of PLGA materials, including their advantages and disadvantages.
• To discuss current limitations and future directions in PLGA-based bone repair technologies.

Main Methods:

• Literature review of past and recent advances in PLGA-based bone regeneration materials.
• Categorization of PLGA materials by application form (e.g., scaffolds, microspheres, hydrogels).
• Analysis of fabrication methods such as electrospinning and 3D printing.

Main Results:

• PLGA-based materials have demonstrated significant progress in various forms for bone regeneration.
• Electrospun nanofibrous scaffolds, 3D printed scaffolds, microspheres/nanoparticles, and hydrogels are key application forms.
• Each form presents specific benefits and drawbacks for bone repair applications.

Conclusions:

• PLGA is a vital synthetic biopolymer for bone tissue engineering, with ongoing impressive developments.
• Further research is needed to address current limitations and optimize the design and fabrication of PLGA-based bone repair devices.
• Future strategies should focus on innovative approaches for enhanced bone regeneration using PLGA materials.