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Avicenna Journal of Phytomedicine، جلد ۹، شماره ۶، صفحات ۵۳۸-۵۵۰
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چکیده فارسی مقاله
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عنوان انگلیسی Thymol has beneficial effects on the experimental model of ulcerative colitis
چکیده انگلیسی مقاله Objective: Thymol, a natural aromatic monoterpene phenol derived from thymus, possesses anti-inflammatory benefits. Here, we evaluated the potential of thymol therapy in improving an animal model of ulcerative colitis. Materials and Methods: Luminal instillation of acetic acid was used to induce colitis in male Wistar rats. Treatment groups daily received prednisolone (2 mg/kg, orally) or thymol (100 mg/kg, orally) for 10 consecutive days. Then, the rats were euthanized and tissue specimens were collected for evaluation of cyclooxygenase-2 (COX-2) expression by immunohistochemistry. Furthermore, the levels of total protein, nitric oxide, myeloperoxidase, malondialdehyde, IL-1, IL-6, and TNF-α were monitored in colonic homogenates. Eventually, the relative mRNA expression of IκBα and NF-κBp65 was investigated using reverse-transcriptase PCR (RT-PCR) in colonic homogenates. Results: Both medications could reduce the mortality rate and the clinical scores of ulcerative colitis. The COX-2 expression was significantly reduced in the colons of thymol-treated animals compared to the prednisolone group. Also, the myeloperoxidase activity, nitric oxide level and malondialdehyde intensity were decreased in the colons of thymol-treated animals to a greater extent compared to the prednisolone group. Moreover, the total protein content of guts showed significant increases in the guts of thymol-treated animals in comparison to the prednisolone group. Nonetheless, thymol significantly reduced the levels of IL-6, and IL-1 compared to prednisolone. Both medications caused a significant decrease in the mRNA level of NF-κBp65, though the mRNA level of IκBα did not show significant changes between the groups. Conclusion: Thymol may be a promising agent to ameliorate ulcerative colitis.
کلیدواژه‌های انگلیسی مقاله Thymol, Acetic-acid, Ulcerative colitis, Wistar rat
نویسندگان مقاله | Pouriya Tahmasebi
Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.


| Seyyed Meysam Abtahi froushani
Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.


| Nahideh Afzale Ahangaran
Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
نشانی اینترنتی http://ajp.mums.ac.ir/article_13383.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Research Article
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