Application of Silk-Fibroin-Based Hydrogels in Tissue Engineering

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Tissue Engineering

Background:

• Silk fibroin (SF) is a protein-based biomaterial derived from Bombyx mori cocoons.
• SF possesses advantageous biological properties including biocompatibility, biodegradability, and low immunogenicity.
• SF is increasingly utilized in tissue engineering, often in hydrogel form, for tissue regeneration.

Purpose of the Study:

• To review the fabrication and properties of silk fibroin and its hydrogels.
• To detail the regenerative effects of SF hydrogels as scaffolds in various tissue types.
• To highlight recent advancements in SF hydrogel applications for tissue regeneration.

Main Methods:

• Degumming and purification of silk fibroin from Bombyx mori cocoons.
• Fabrication of SF into hydrogel structures.
• Review of existing literature on SF hydrogel applications in tissue regeneration.

Main Results:

• SF hydrogels exhibit tunable mechanical properties, biocompatibility, and biodegradability.
• SF hydrogels promote cell activity and counteract tissue damage factors.
• SF hydrogels have demonstrated efficacy as scaffolds in cartilage, bone, skin, cornea, teeth, and eardrum regeneration.

Conclusions:

• Silk fibroin hydrogels are promising biomaterials for diverse tissue engineering applications.
• Their inherent properties and fabrication versatility support enhanced tissue regeneration.
• Continued research into SF hydrogels will likely expand their clinical use in regenerative medicine.