Recent progress in gellan gum hydrogels provided by functionalization strategies

Area of Science:

• Biomaterials Science
• Tissue Engineering
• Regenerative Medicine

Background:

• Gellan gum, a microbial exopolysaccharide, is a promising natural biomaterial for tissue engineering.
• Current limitations include poor mechanical properties, high gelling temperatures, and lack of cell attachment sites.
• Chemical and physical modifications can optimize gellan gum's properties.

Purpose of the Study:

• To review recent advancements in gellan gum hydrogels and their derivatives for tissue engineering.
• To identify challenges and opportunities in modifying gellan gum for enhanced applications.
• To explore strategies for improving gellan gum's physicochemical and biological properties.

Main Methods:

• Review of literature on gellan gum hydrogel modifications.
• Analysis of chemical functionalization strategies.
• Evaluation of physical modification approaches, including blending.

Main Results:

• Gellan gum hydrogels can be modified to improve mechanical strength and processability.
• Functionalization enhances cell adhesion and biological integration.
• Blending gellan gum with other materials offers synergistic benefits.

Conclusions:

• Modified gellan gum hydrogels show significant potential for advanced tissue engineering.
• Addressing limitations through modification is crucial for successful regenerative medicine applications.
• Further research into novel modification techniques will expand gellan gum's utility.