The current treatments of liver diseases are not sufficiently effective, and there has been no therapy that can successfully prevent liver failure and its complications. Previous studies have suggested that resveratrol could inhibit the progression of hepatic diseases based on its antioxidative and anti-inflammatory potentials.
The present study evaluated the hepato-protective effects of resveratrol in thioacetamide (TAA)-induced acute liver damage in rats using neurobehavioral and biochemical parameters.
Forty-eight healthy adult Wistar rats were divided into four groups: C1: healthy control group, C2: non-treated liver failure, E1: liver failure treated with resveratrol 5 mg/kg/day, and E2: liver failure treated with resveratrol 10 mg/kg/day. Aspartate aminotransferase/alanine aminotransferase (AST/ALT), alkaline phosphatase (Alk), total bilirubin (TB), and plasma-ammonia (NH4) were analyzed, and histopathological evaluations of the specimens were carried out after sacrificing the models. Hepatic encephalopathy (HE) grading, open-field, elevated plus arms, and forced-swimming tests were performed in the study.
The resveratrol-treated groups had lower serum concentrations of NH4, ALT, and AST than the C2 group (P < 0.05). The pathological evaluations demonstrated that resveratrol-treated groups had better outcomes in inflammatory cell infiltration, apoptosis, vacuolization, liver tissue necrosis, and liver damage stage than the C2 group (P < 0.05). They also showed lower grades of HE, higher locomotor activity (open-field test), and diminished levels of depression (forced-swimming) when compared to the C2 group (P < 0.05).
Resveratrol supplementation can improve liver damage as AST, ALT, NH4, and tissue damages were decreased after administering the agent in TAA-induced liver damage. Resveratrol can also improve the neurobehavioral manifestations in animal models of liver failure.
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