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A single intraperitoneal dose of DMN (5 mg\/kg b.w.) caused a significant increase in the levels of the serum marker enzymes (aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), lactate dehydrogenase (LDH), glutamyl transpeptidase (\u03b3-GT)) and a subsequent decrease in AST, ALT, ALP and increase in LDH and \u03b3-GT in the liver tissue indicating hepatocellular damage. Elevation in the status of lipid peroxidation, fall in the activities of the enzymic (superoxide dismutase, catalase) and non-enzymic antioxidants (vitamin C, vitamin E) in the liver tissue further confirms oxidative stress and hepatocellular damage induced on DMN administration. Oral administration of NAC (50 mg\/kg b.w.) for 7 days significantly prevented the above alterations in the status of the marker enzymes of hepatotoxicity and antioxidant parameters and restored them towards normalcy, which was further substantiated by the histopathological studies of the liver tissue. These results suggest that NAC offers hepatoprotection by ameliorating DMN-induced oxidative stress and hepatotoxicity and this protective effect was attributed to its antioxidant and free radical scavenging properties.<\/jats:p>","DOI":"10.1177\/0748233711399323","type":"journal-article","created":{"date-parts":[[2011,5,10]],"date-time":"2011-05-10T00:45:43Z","timestamp":1304988343000},"page":"914-922","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Influence of\n                    <i>N<\/i>\n                    -acetylcysteine against dimethylnitrosamine induced hepatotoxicity in rats"],"prefix":"10.1177","volume":"27","author":[{"given":"Sathish","family":"Priya","sequence":"first","affiliation":[{"name":"Department of Pharmacology and Environmental Toxicology, Dr. A.L.M. 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