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Original Article

Med Arch. 2017; 71(4): 251-255


Effects of Azilsartan, Aliskiren or their Combination on High Fat Diet-induced Non-alcoholic Liver Disease Model in Rats

Saad Abdulrahman Hussain, Rabab Mohammed Utba, Ajwad Muhammad Assumaidaee.

Abstract
Introduction: In addition to its role in regulation of blood pressure, fluid and electrolyte homeostasis, the renin-angiotensin system (RAS) components were expressed in many other tissues suggesting potential roles in their functions. Aim: The present study aims to evaluate the protective effect aliskiren, when used alone or in combination with azilsartan against high fat diet-induced liver disease in rats. Material and methods: Thirty-two Wistar male rats, weighing 150-200 gm were allocated evenly into four groups and treated as follow: group I, rats were fed a specially formulated high-fat diet for 8 weeks to induce non-alcoholic liver disease and considered as control group; groups II, III and IV, the rats were administered azilsartan (0.5 mg/kg), aliskiren (25 mg/kg) or their combination orally via gavage tube once daily, and maintained on high fat diet for 8 weeks. The possible treatment outcome was evaluated through measuring serum levels of glucose, insulin, lipid profile, TNF-α, IL-1β and liver enzymes. Additionally, the liver tissue contents of glycogen and lipids and histological changes were also evaluated. Result: The results showed that azilsartan significantly improves the studied markers greater than aliskiren, and their combination o has no additive or synergistic effects on the activity of each one of them. Conclusion: Both azilsartan and aliskiren protects the rats against high-fat diet induced NAFLD with predominant effects for the former, and their combination showed no beneficial synergistic or additive effects.

Key words: azilsartan, aliskiren, liver disease model, NAFLD, RAS.



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