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J Vet Med A Physiol Pathol Clin Med. 2007 Dec;54(10):585-91.

Effects of 4-chloro-2,6-bis-(2-hydroxyl-benzyl)-phenol on healing of skin wounds and growth of bacteria.

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1
Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran. oryan@shirazu.ac.ir

Abstract

In this investigation, the effects of synthesized 4-chloro-2,6-bis-(2-hydroxyl-benzyl)-phenol (CBHBP) on cutaneous wound healing and growth of some of the wound contaminating microorganisms were studied. The antibacterial effects of this compound were then evaluated on Staphylococcus aureus (S. aureus), Pseudomonas aeruginosa (P. aeruginosa), Escherichia coli (E. coli) and Klebsiella spp., using solid dilution method. It was demonstrated that CBHBP has a significant antimicrobial activity against S. aureus but it is not effective in the case of other microorganisms studied in this experiment. The effect of local administration of CBHBP on healing of a standard full-thickness 2 cm skin incision of skeletally mature rats was evaluated. Histological changes together with mechanical properties and dry weight content of the healing tissues at the site of the lesions were assessed in treated and untreated animals. It was observed that the injured area of the treated animals was more organized and showed more fibroblasts and less inflammatory cells. Much better maturation criteria in treated tissues were observed in comparison with those of the untreated ones which contained numerous polymorphonuclear inflammatory cells after 14 days post-injury. Many infiltrated macrophages and lymphocytes were present even 28 days after injury induction in the haphazardly organized dermis and also in subcutaneous tissues of the untreated animals. The percentage dry weight content of the treated lesions at 14 days post-injury was remarkably higher than those of the untreated animals. The results of biomechanical tensile testing showed that the ultimate tensile strength and stress of the injured skin of the treated animals were higher than those of the untreated ones. From these results, it could be concluded that CBHBP can be effective on wound healing and may be considered as a treatment regimen after evaluating its mechanism of action as well as testing its contraindications.

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