Euphorbia dracunculoides L. abrogates carbon tetrachloride induced liver and DNA damage in rats
2017
Batool, Riffat | Khan, Muhammad Rashid | Mājid, Muḥammad
BACKGROUND: Evaluation of Euphorbia dracunculoides of family Euphorbiaceae during previous studies had established the in vitro antioxidant and in vivo anti-inflammatory activities. The plant is used by the local communities of Pakistan for various disorders including rheumatism and edema. In this investigation we have evaluated the hepatoprotective effects against CCl₄ induced toxicity in rat. METHODS: Dry powder of the aerial parts of E. dracunculoides was extracted with 95% methanol to get the extract (EDME). To investigate the hepatoprotective effects of EDME the Sprague-Dawley male rats were divided in to 8 groups with 6 rats in each. Group I and II were the normal and vehicle treated while the Groups III-VI were injected intraperitoneally with 1 ml of CCl₄ (30% in olive oil). Rats of Group IV were orally administered with silymarin (50 mg/kg) while the Group V and VI with 200 mg/kg and 400 mg/kg of EDME, respectively. Animals of Group VII (200 mg/kg) and VIII (400 mg/kg) were treated with EDME alone. The treatments were given thrice a week for 4 weeks. Effects of EDME were evaluated for the protective effects against oxidative stress and genotoxicity induced with CCl₄ in liver of rat. RESULTS: Analysis of serum indicated significant (p < 0.05) rise in the level of aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP) and globulin whereas decrease was recorded for the total protein and albumin in CCl₄ treated rats. In liver tissues the activity level of catalase (CAT), peroxidase (POD), superoxide dismutase (SOD), glutathione-S-transferase (GST), glutathione (GSH) was decreased while the level of lipid peroxides; thiobarbituric acid reactant substances (TBARS), nitrite and hydrogen peroxide increased in CCl₄ treated rats as compared to the control group. Histopathological injuries and DNA damages were recorded in liver of rat with CCl₄ treatment. However, co-administration of EDME, dose dependently, ameliorated the CCl₄-induced hepatic toxicity in these parameters. CONCLUSIONS: These results suggested that the phyto-constituents of EDME were able to ameliorate the oxidative stress induced with CCl₄ and can be a useful therapeutic agent for oxidative stress related disorders.
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