EFFECTS OF ADMINISTRATION OF SIMVASTATIN ON THE THRESHOLD OF THERMAL PAIN TOLERANCE IN ADULT MALE RATS WITH HFD | ||
| Bulletin of Pharmaceutical Sciences Assiut University | ||
| Article 26, Volume 44, Issue 1, June 2021, Pages 275-281 PDF (354.45 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/bfsa.2021.174154 | ||
| Authors | ||
| Zahra Hajimashhadi1; Mahboubeh Kooskbaghi2; Hamid Sepehri3 | ||
| 1Department of Physiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran | ||
| 2General Medical Student, Student Research Committee, Neuroscience Research Center, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran | ||
| 3Neuroscience Research Center, Department of Physiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran | ||
| Abstract | ||
| Background: Increased consumption of high-fat diets has become a global health problem. Obesity by result of various endocrine changes and release of inflammatory cytokines that may contribute to the pathogenesis of pain. Simvastatin is a statin that inhibits the 3-hydroxy-methyl-glutaryl coenzyme A (HMG-CoA) reductase and has anti-inflammatory effects. The aim of the present study was to assess the antinociceptive activity of simvastatin following the use of high-fat diet in Male rats. Methods and materials: Forty adult male Wistar rats divided into six groups: control, high-fat diet, high-fat diet treated with 2 and 20 mg/Kg simvastatin and normal diet treated with 2 and 20 mg/kg simvastatin. Rats were maintained on a high-fat or normal diet for 45 days. Simvastatin was daily given through gavage from two weeks after starting of the study and continued for 30 days. Hot plate and blood biochemistry tests were performed to evaluate the threshold of thermal pain t tolerance. Results: Total cholesterol, LDL, and triglyceride, and body weight in the group that maintained a high fat diet was significantly higher compared with the other groups, especially the control group. But serum TNF-α and IL-6 were not found in a detectable production inall groups. High fat diet significantly reduced thermal pain reaction time. Simvastatin administration significantly decreased thermal hyperalgesia. Conclusion: The results indicate that simvastatin administration is a suitable way for reducing heat hyperalgesia following use of a high fat diet, but there is need to do further research. | ||
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