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Effect of Heparin on Expression of mRNA of MMP 1,2,9 in Adult Rat Wound  

Kim, Han Koo (Department of Plastic and Reconstructive Surgery, College of Medicine, Chung-Ang University)
Hong, Jung Soo (Department of Plastic and Reconstructive Surgery, College of Medicine, Chung-Ang University)
Kim, Sae Hwan (DF Plastic Surgery Clinic)
Lee, Mi Kyoung (Department of Pathology, College of Medicine, Chung-Ang University)
Kim, Seung Hong (Department of Plastic and Reconstructive Surgery, College of Medicine, Chung-Ang University)
Kim, Woo Seob (Department of Plastic and Reconstructive Surgery, College of Medicine, Chung-Ang University)
Publication Information
Archives of Plastic Surgery / v.34, no.2, 2007 , pp. 149-155 More about this Journal
Abstract
Purpose: This study was to investigate how the heparin, which has been known to induce neovascularization by MMP in the infarcted tissue of the myocardium, had influence on the expression of mRNA of MMP 1,2,9 of the skin wound of rat. Methods: Full depth skin wounds were created on the dorsum of Sprague-Dawley 60 rats. The experimental rats were divided into two groups according to the concentration of heparin($100{\mu}g/ml$ in 20, $300{\mu}g/ml$ in 20). Heparin soaked gelatin sponges in different concentration were inserted into the pocket of experimental rats and the wounds were closed. Normal saline soaked gelatin sponges were used in control rats. Wounds were harvested at 48 and 72 hours after closure. We performed histologic study in H-E stain. RNA was isolated from the harvested tissue and then real time polymerase chain reaction was performed to determine the gene expression of MMP-1,2,9. Results: We observed that inflammatory cell decreased in heparin soaked group and heparin increased the expression of MMP-1,9 mRNA of dorsal wound of rat at 72 hours (p < 0.05). Conclusion: This result suggest that heparin may be used inducing another factor inducing scarless wound healing by increasing MMP.
Keywords
Matrix metalloproteinases(MMPs); Heparin; Scarless wound healing;
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