Journal
JOURNAL OF NANOBIOTECHNOLOGY
Volume 19, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12951-021-01036-7
Keywords
Wound healing; Electrical stimulation; Nanogenerator; Regeneration; Human skin
Funding
- University of Wisconsin-Madison, Office of the Vice Chancellor for Research and Graduate Education
- Wisconsin Alumni Research Foundation
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NG-ES therapy accelerates wound closure and normal skin architecture restoration compared to conventional methods, by hastening the inflammatory phase of wound healing and promoting neovascularization. This study provides support for the translational evaluation and optimization of NG-ES technology for convenient and efficient wound healing therapy in human wounds.
Background: Electrostimulation (ES) therapy for wound healing is limited in clinical use due to barriers such as cumbersome equipment and intermittent delivery of therapy. Methods: We adapted a human skin xenograft model that can be used to directly examine the nanogenerator-driven ES (NG-ES) effects on human skin in vivo-an essential translational step toward clinical application of the NG-ES technique for wound healing. Results: We show that NG-ES leads to rapid wound closure with complete restoration of normal skin architecture within 7 days compared to more than 30 days in the literature. NG-ES accelerates the inflammatory phase of wound healing with more rapid resolution of neutrophils and macrophages and enhances wound bed perfusion with more robust neovascularization. Conclusion: Our results support the translational evaluation and optimization of the NG-ES technology to deliver convenient, efficient wound healing therapy for use in human wounds.
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