Therapeutic potential of a pullulan polysaccharide-based hydrogel with antibacterial peptide for skin wound healing

Document Type : Original Article

Authors

Tissue Engineering and Regenerative Medicine Research Center, New Health Technologies Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran

10.22038/ijbms.2026.90215.19450

Abstract

Objective(s): Eliminating skin defects using scaffolds, especially hydrogels, has been a promising method to accelerate regeneration. The utilization of hydrogels composed of carboxymethyl chitosan and pullulan oxide, synthesized via Schiff base reaction, represents an effective approach for skin repair.
Materials and Methods: Carboxymethyl chitosan was reacted with oxidized pullulan (CMCS/OPL), and the hydrogel was formed. In addition, an antibacterial peptide was incorporated into a hydrogel. In in vitro conditions, the samples were evaluated by a characterization test. In vivo, H&E and real-time PCR tests were taken from the removed samples. Experiments confirmed the formation of the Schiff base reaction. 
Results: Two groups of hydrogels exhibited the appropriate viscosity, porosity, and degradation. The rate of cell proliferation on the 7th day in the hydrogel with the peptide was the same as that of the control group. An in vivo test showed that the peptide-containing hydrogel significantly enhanced the regeneration process (P≤0.05). Tissue examination of the samples showed that the rate of angiogenesis and skin repair increased in the hydrogel with the peptide group. The use of peptides strengthened the repair processes in the skin area. 
Conclusion: These hydrogels represent a promising strategy to promote skin regeneration and provide a significant avenue for future clinical applications in regenerative medicine.

Graphical Abstract

Therapeutic potential of a pullulan polysaccharide-based hydrogel with antibacterial peptide for skin wound healing

Keywords

Main Subjects

References

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Iranian Journal of Basic Medical Sciences
Volume 29, Issue 3
March 2026
Pages 412-422

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