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Abstract Title:

Potential role of antioxidants during ethanol-induced changes in the fatty acid composition and arachidonic acid metabolites in male Wistar rats.

Abstract Source:

Pain. 2005 Mar;114(1-2):266-77. Epub 2005 Jan 26. PMID: 11504446

Abstract Author(s):

V R Akrishnan, V P Menon

Article Affiliation:

Department of Biochemistry, Annamalai University, Tamil Nadu, India.

Abstract:

Biochemical assessment of liver damage during ethanol-induced stress was done by measuring the activities of serum enzymes, viz., aspartate transaminase (AST) and alkaline phosphatase (ALP), which were significantly elevated in rats fed ethanol. Ethanol administration for a period of 60 days modifies the fatty acid composition, and the analysis of fatty acids showed that there was a significant increase in the concentrations of palmitic acid (16:0), stearic acid (18:0), and oleic acid (18:1) in liver, kidney, and brain, whereas the concentrations of palmitoleic (16:1) and arachidonic acid (20:4) were significantly decreased. The breakdown products of arachidonic acids (20:4), prostaglandins, were elevated. The antioxidants curcumin and N-acetylcysteine (NAC) decreased the activities of serum AST and ALP. Curcumin and NAC decreased the concentrations of fatty acids, viz., palmitic, stearic, and oleic acid, whereas arachidonic acid and palmitoleic acid were elevated. The prostaglandin concentrations were also decreased after curcumin and N-acetylcysteine treatment. Thus the present investigation shows that curcumin and N-acetylcysteine prevent the fatty acid changes produced by ethanol and also reduce the inflammatory response of ethanol by reducing the level of prostaglandins.

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