World Journal of Surgery

, Volume 31, Issue 4, pp 624–631 | Cite as

Nitric Oxide Accelerates the Recovery from Burn Wounds

  • Haifeng Zhu
  • Bian Ka
  • Ferid MuradEmail author


A full-thickness burn wound model was used to evaluate the effects of a topically applied gel-based nitric oxide donor on wound healing in rats. The histological study demonstrated that the nitric oxide (NO) application significantly promoted re-epithelization that resulted in a fast recovery of burn wound. The histological sections further revealed that inflammatory cell infiltration in the NO-treated group was significantly increased in comparison to the control group. The enhanced accumulation of inflammatory cells resulted in a higher expression of myeloperoxidase (MPO) that was detected with imunoblotting. An immunohistochemistry study with CD31, a specific marker for endothelial cells, indicated that NO treatment markedly stimulated angiogenesis. Evaluation of collagen synthesis by immunohistochemistry with procollagen antibody demonstrated a significantly increased collagen synthesis in NO-treated wound bed. We concluded that NO treatment promoted re-epithelialization and wound closure by means of enhanced inflammatory cell infiltration, and that it promoted angiogenesis and facilitated collagen synthesis in the wound bed.


Nitric Oxide Wound Healing Collagen Synthesis Inflammatory Cell Infiltration Molsidomine 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the National Institutes of Health (NL64221, GM061731, P30DK56338); the John S. Dunn, Harold and Leihla Mathers, and Robert A. Welch foundations; The Army Defense Department; and The University of Texas.


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Copyright information

© Société Internationale de Chirurgie 2007

Authors and Affiliations

  1. 1.Department of Integrative Biology and PharmacologyInstitute of Molecular Medicine, The University of Texas–Health Science Center at HoustonHoustonUSA

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