Nanofibers Show Promise in Accelerating Wound Healing

Strategic Insights -

Researchers at the National Taipei University of Technology have discovered that cerium oxide nanoparticles embedded in nanofibers can significantly enhance wound healing in rats. The team found that the nanofibers, which were fabricated using electrospinning, exhibited desirable physicochemical properties and promoted fibroblast migration, suppressed inflammation, and upregulated gene expression related to M2 macrophage polarization. The study concluded that the cerium oxide-incorporated nanofiber scaffolds have therapeutic potential for accelerated wound repair and inflammation modulation.

Key Takeaways:

  • The study used cerium oxide nanoparticles (CeONPs) that were green-synthesized using a plant extract, which served as both a reducing and stabilizing agent.
  • The CeONPs had a spherical morphology, a face-centered cubic crystalline structure, and an average size of 9.39 nm, as confirmed by various analytical techniques.
  • The nanoparticles demonstrated no cytotoxicity and promoted fibroblast migration, while suppressing the production of inflammatory mediators in LPS-stimulated RAW264.7 macrophages.
  • Gene expression analysis indicated M2 macrophage polarization, with upregulation of Arg-1, IL-10, IL-4, and TGF-b.
  • Aligned polycaprolactone/polylactic acid (PCL/PLA) nanofibers embedded with CeONPs were fabricated using electrospinning, and the composite nanofibers exhibited desirable physicochemical properties.
  • In a rat full-thickness wound model, the CeO nanofiber-treated group showed a 22% enhancement in wound closure compared to the control on day 11.
  • Histological evaluation revealed reduced inflammation, enhanced granulation tissue, neovascularization, and increased collagen deposition.
  • The research concluded that the cerium oxide-incorporated nanofiber scaffolds have therapeutic potential for accelerated wound repair and inflammation modulation.

Statistics:

  • 9.39 nm: The average size of the CeONPs.
  • 22%: The enhancement in wound closure in the CeO nanofiber-treated group compared to the control on day 11.
  • 11: The number of days it took for the CeO nanofiber-treated group to show enhanced wound closure.
  • 13: The issue number of the International Journal of Molecular Sciences where the study was published.
  • 6087: The journal page number where the study was published in the International Journal of Molecular Sciences.
  • 26: The volume number of the International Journal of Molecular Sciences where the study was published.
  • Taiwan: The country where the research was conducted.

Sources:

  • Aligned Electrospun PCL/PLA Nanofibers Containing Green-Synthesized CeO2 Nanoparticles for Enhanced Wound Healing. International Journal of Molecular Sciences, 2025;26(13):6087.
  • Mdpi, St Alban-Anlage 66, Ch-4052 Basel, Switzerland.
  • Wen-Ta Su, Dept. of Chemical Engineering and Biotechnology, National Taipei University of Technology, 1, Sec. 3, Chung-Hsiao E. Rd, Taipei 106344, Taiwan.