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Effect of pretreatment with artichoke extract on carbon tetrachloride-induced liver injury and oxidative stress (Mehmetcik, Gueldal.)

Bibliographical information (record 269926)

Effect of pretreatment with artichoke extract on carbon tetrachloride-induced liver injury and oxidative stress
Author:	Mehmetcik, Gueldal. Search Author in Amazon Books
Publisher:	Elsevier,

Edition:	2008.
Classification:	QV 600
URL:	http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.1016/j.etp.2008.04.014

Detailed notes

- Artichoke is a plant with antioxidant properties. In this study, we investigated the effect of artichoke extract pretreatment on carbon tetrachloride (CCl(4))-induced oxidative stress and hepatotoxicity. Rats were given artichoke leaf extract (1.5 g/kg/day) by gavage for 2 weeks and after then CCl(4) (1 ml/kg; i.p.) was applied. All rats were killed 24 11 after the CCl(4) injection. CCl(4) administration resulted in hepatic necrosis and significant increases in plasma transaminase activities as well as hepatic malondialdehyde (MDA) and diene conjugate (DC) levels in the liver of rats. Glutathione (GSH) and vitamin C levels decreased, but vitamin E levels increased in the liver Of CCl(4)-treated rats. Hepatic Superoxide dismutase (SOD) activities remained unchanged, but glutathione peroxidase (GSH-Px) and glutathione transferase (GST) activities decreased following CCl(4) treatment. In rats pretreated with artichoke extract, significant decreases in plasma transaminase activities and amelioration in histopathological changes in the liver were observed following CCl(4) treatment as compared to CCl(4)-treated rats. In addition, hepatic MDA and DC levels decreased, but GSH levels and GSH-Px activities increased without any change in other antioxidant parameters following CCl(4) treatment in artichoke-pretreated rats. The present findings indicate that in vivo architoke extract administration may be useful for the prevention of oxidative stress-induced hepatotoxicity. (C) 2008 Elsevier GmbH. All rights reserved.