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Home > Citations> Deneysel Staphylococcus aureus Yumuşak Doku Enfeksiyonlarında İbuprofenin Yara İyileşmesi Üzerindeki Etkisinin Araştırılması*
Deneysel Staphylococcus aureus Yumuşak Doku Enfeksiyonlarında İbuprofenin Yara İyileşmesi Üzerindeki Etkisinin Araştırılması*

ABSTRACT

Soft tissue infections (STIs) occur as a result of the colonization of pathogenic bacteria upon the destruction of normal skin microbial fl ora and the skin integrity. Streptococci and staphylococci are the most frequent causes of bacterial STIs. Non-steroidal anti-infl ammatory drugs (NSAIDs) such as ibuprofen are often used in STIs because of their analgesic and antipyretic effects. However, evidence suggests that these drugs might delay both epithelization and angiogenesis in the early phases of wound healing because of an antiproliferative effect. The aim of this study was to investigate the effect of ibuprofen on the wound healing in STIs caused by Staphylococcus aureus in immunosuppressed mice. A total of 120 female Balb/c mice were used in the study and the mice were assigned to four test groups and two control groups. The test groups were defi ned as follows; B (Bacteria group, n= 23), BI (Bacteria + Ibuprofen group, n= 23), BA (Bacteria + Ampicillin group, n= 23), BIA (Bacteria + Ampicillin + Ibuprofen group, n= 21); and the control groups were defi ned as follows; S1B2 (only immunosuppressed controls, n= 15) and S2B2 (Sham group). Immunosupression was induced with cyclophosphamide and the experimental infection was generated by subcutaneous inoculation of bacterial suspension (2 x 108 cfu/ml) of methicillin-sensitive S.aureus ATCC 25923 to the right hind leg. Ibuprofen was given to the mice by gastric gavage (50 mg/kg/day), and ampicillin (100 mg/kg/day) by intramuscular injection. Wound sizes that appear in the animals were measured on a daily basis. Serum and tissue (epithelial tissue, connective tissue, sebaceous glands, sweat glands) samples were obtained on the fi rst, third and seventh days. The tissue samples were examined histopathologically by hematoxylin-eosin (HE) staining method and IL-1, IL-6, TNF-α and VEGF (Vascular Endothelial Growth Factor) levels were determined in serum samples by ELISA method. The tissue cytokine reactions were also evaluated by immunohistochemical (immunoperoxidase staining) method in tissue samples. In our study, no signifi cant change was detected in the wound sizes of B and BI groups from the second day to the end of study period (p> 0.05). On the other hand the wound dimensions of BA and BIA groups gradually decreased and remained superfi cial. The average serum levels of TNF-α and IL-1 was detected low in all groups. The mean value of serum IL-6 on the fi rst day in group B was determined to be higher compared to other groups, and when this difference was compared to groups BI and BA, and the control group, it was found statistically signifi cant (p< 0.05). In addition, the VEGF levels which were detected low in all groups in the third day of infec- 168 Deneysel Staphylococcus aureus Yumuşak Doku Enfeksiyonlarında İbuprofenin Yara İyileşmesi Üzerindeki Etkisinin Araştırılması MİKROBİYOLOJİ BÜLTENİ tion increased signifi cantly at the seventh day. The results of histopathologic and immunohistochemical studies have supported the results of ELISA and yielded similar results with serum cytokine patterns. In conclusion, our data indicated that ibuprofen has no negative effect on the wound healing in soft-tissue infections caused by S.aureus.

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Source:Mikrobiyol Bul     by M. Uğur ÇİTİL, E METE, E. Oğuzhan OĞUZ, et al.
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