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Studies on the protective effect of fish oil against cisplatin induced hepatotoxicity

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Author(s): A. Naqshbandi

Journal: Biology and Medicine
ISSN 0974-8369

Volume: 3;
Issue: 2;
Start page: 86;
Date: 2011;
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Keywords: Cisplatin | Hepatotoxicity | Fish oil | Carbohydrate metabolism | Oxidative stress

ABSTRACT
Cisplatin (CP) is considered as a major antineoplastic drug against a broad spectrum of malignancies. The tissuespecific toxicity of cisplatin to the kidneys is well documented. However, at higher doses less common toxic effectssuch as hepatotoxicity may arise. Although cisplatin remains one of the most effective antineoplastic drugs used inchemotherapy, strategies to protect tissues against cisplatin toxicity are of clinical interest. Dietary fish oil (FO)enriched in ω-3 fatty acids is known to retard the progression of certain types of cancers, cardiovascular and tissuedisorders. In view of this, the present study investigates the protective effect of FO on CP induced damage to liver.Rats were pre-fed normal diet and the diet rich in FO for 10 days and then a single dose of CP (6mg/kg body weight)was administered intraperitoneally while still on diet. Serum/urine parameters, enzymes of carbohydrate metabolismand oxidative stress were analyzed. CP caused perturbation of the antioxidant defense as is reflected by thedecrease in the activities of catalase, superoxide dismutase and glutathione peroxidase. Further the activities ofvarious enzymes involved in glycolysis, TCA cycle, gluconeogenesis and HMP shunt pathway were determined andwere found to be differentially altered by CP treatment. However, these alterations were ameliorated in cisplatintreated rats fed on fish oil. Present results show that dietary supplementation of FO to CP treated rats amelioratedCP-induced hepatotoxic and other deleterious effects due to its intrinsic biochemical/antioxidant properties
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