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Chem. J. Chinese Universities ›› 2026, Vol. 47 ›› Issue (6): 20260015.doi: 10.7503/cjcu20260015

• Polymer Chemistry • Previous Articles     Next Articles

Application of Hydrogel Dressings Loaded with a Novel Polypeptide CFAP1 in Wound Repair

WANG Dezhou, HAN Chunyu, GAO Yuqi, YANG Shuang, SONG Wenzhi()   

  1. Stomatology Department,China?Japan Union Hospital of Jilin University,Changchun 130033,China
  • Received:2026-01-06 Online:2026-06-10 Published:2026-04-03
  • Contact: SONG Wenzhi E-mail:songwz@jlu.edu.cn
  • Supported by:
    the Natural Science Foundation of Jilin Province, China(YDZJ202501ZYTS314)

Abstract:

A fibroblast growth factor mimetic peptide(CFAP1) containing chitosan-binding domain(ChiBD) was first synthesized via the solid-phase synthesis method. The ChiBD sequence in CFAP1 enables specific binding to chitosan-based materials. CFAP1 was blended with carboxymethyl chitosan methacrylate(CCSMA) at an optimized ratio to fabricate a novel wound repair hydrogel through the photo-crosslinking approach. The results demonstrated that the CCSMA@CFAP1 hydrogel exerted a significant inhibitory effect on the growth of Escherichia coliE.coli) and Staphylococcus aureusS.aureus), and exhibited prominent antioxidant properties. Meanwhile, this hydrogel could remarkably enhance the adhesion and proliferation of NIH-3T3 fibroblasts, as well as upregulate the expression of Type Ⅰ Collagen(COL-1) and Vascular Endothelial Growth Factor(VEGF) in the cells. The results of in vivo study indicated that CCSMA@CFAP1 accelerated wound healing by suppressing excessive inflammation, promoting tissue vascularization. After 264 h of repair, the wound healing rate of the CCSMA@CFAP1 group reached 94.68%. Furthermore, the CCSMA@CFAP1 hydrogel possessed favorable biosafety profiles. Collectively, this research provides theoretical and experimental evidence for the application of related materials in wound repair.

Key words: Fibroblast growth factor mimetic peptide, Carboxymethyl chitosan methacrylate, Photo-crosslinked hydrogel, Wound healing

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