Gelatin Microsphere for Cartilage Tissue Engineering: Current and Future Strategies

Area of Science:

• Biomaterials Science
• Tissue Engineering
• Regenerative Medicine

Background:

• Gelatin microspheres (GM) offer versatility in tissue engineering applications.
• GM have been explored for drug delivery, particularly for cartilage diseases.
• Recent advancements focus on GM as carriers for cells and biologics in cartilage constructs.

Purpose of the Study:

• To review the history, production methods, and applications of gelatin microspheres (GM).
• To highlight the role of GM in cartilage tissue engineering, including their influence on chondrocytes.
• To propose strategies for improving GM-based targeted delivery systems for cartilage repair.

Main Methods:

• Review of existing literature on gelatin microsphere production and applications.
• Focus on water-in-oil emulsification technique for GM production.
• Analysis of GM's interaction with chondrocytes and its potential in forming tissue constructs.

Main Results:

• GM production methods, including water-in-oil emulsification, are detailed.
• GM demonstrate potential in promoting chondrocyte proliferation and differentiation.
• GM seeded with cells can form building blocks for complex tissue constructs.

Conclusions:

• Gelatin microspheres are promising for cartilage tissue engineering and drug delivery.
• Further research is needed to enhance GM's homing ability to defect sites.
• Intraarticular injection of antibody-coated cell-seeded GM is proposed for targeted delivery.