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November 2017 Vol. 5 No.11

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Merit Research Journal of Medicine and Medical Sciences (ISSN: 2354-323X) Vol. 5(11) pp. 529-537, November, 2017 

Copyright © 2017 Merit Research Journals


Original Research Article

Silymarin and Garlic Preventive Effects on NDEA and CCl4 in Male Rats

 
 
 

Mohaddeseh Toghyani Khorasgani

 

Isfahan University of Medical Sciences (IUMS)

E-mail: M67.toghiany@yahoo.com

Accepted October 11, 2017

 

Abstract

 

The present study was conducted to investigate the chemo preventive effects of garlic extract and silymarin on N-nitrosodiethylamine (NDEA) and carbon tetrachloride (CCl4)-induced hepatotoxicity in male albino rats. Animals were pretreated with garlic, silymarin or both for one week prior to the injection of NDEA. Then animals received a single injection of NDEA followed by weekly subcutaneous injections of CCl4 for 6 weeks. Oral administration was then continued along with the injection of CCl4 for the duration of the experiment. Serum aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), hepatic lipid peroxidation (LPO), superoxide dismutase (SOD), reduced glutathione (GSH), glutathione-S-transferase (GST) and glutathione reductase (GSR) were measured. Injection of NDEA induced a significant elevation in serum AST, ALT and ALP. In the liver, NDEA increased oxidative stress through the increase in LPO and decrease in SOD, and GSH-dependent enzymes. Although administration of garlic or silymarin significantly reduced the liver toxicity, combined administration was more effective in preventing the development of hepatotoxicity. These novel findings suggest that silymarin and garlic have a synergistic effect, and could be used as hepatoprotective agents against hepatotoxicity.

Keywords: Hepatotoxicity, NDEA, Garlic, Silymarin, liver enzymes, oxidative stress, rats








































 










 







































 










 

 
 
   
   
   
   
   
   
   
   
   
   
   
 
 
 
 
 
 
 
 
   
 
                         

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