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The Ameliorative Effects of L-2-Oxothiazolidine-4-Carboxylate on Acetaminophen-Induced Hepatotoxicity in Mice
Department of Radiological Sciences, Jeonju University, Jeonju 560-759, Korea
Department of Physiology, School of Medicine, Chonbuk National University, Jeonju 561-803, Korea
Department of Oriental Pharmaceutical Development, Nambu University, Gwangju 506-706, Korea
Ato Q&A Incorperation, Jeonju 560-759, Korea
Department of Health & Science, Jeonju University, Jeonju 560-759, Korea
These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 23 January 2013; in revised form: 31 January 2013 / Accepted: 14 March 2013 / Published: 18 March 2013
Abstract: The aim of the study was to investigate the ameliorative effects and the mechanism of action of L-2-oxothiazolidine-4-carboxylate (OTC) on acetaminophen (APAP)-induced hepatotoxicity in mice. Mice were randomly divided into six groups: normal control group, APAP only treated group, APAP + 25 mg/kg OTC, APAP + 50 mg/kg OTC, APAP + 100 mg/kg OTC, and APAP + 100 mg/kg N-acetylcysteine (NAC) as a reference control group. OTC treatment significantly reduced serum alanine aminotransferase and aspartate aminotransferase levels in a dose dependent manner. OTC treatment was markedly increased glutathione (GSH) production and glutathione peroxidase (GSH-px) activity in a dose dependent manner. The contents of malondialdehyde and 4-hydroxynonenal in liver tissues were significantly decreased by administration of OTC and the inhibitory effect of OTC was similar to that of NAC. Moreover, OTC treatment on APAP-induced hepatotoxicity significantly reduced the formation of nitrotyrosin and terminal deoxynucleotidyl transferase dUTP nick end labeling positive areas of liver tissues in a dose dependent manner. Furthermore, the activity of caspase-3 in liver tissues was reduced by administration of OTC in a dose dependent manner. The ameliorative effects of OTC on APAP-induced liver damage in mice was similar to that of NAC. These results suggest that OTC has ameliorative effects on APAP-induced hepatotoxicity in mice through anti-oxidative stress and anti-apoptotic processes.
Keywords: L-2-oxothiazolidine-4-carboxylate; acetaminophen-induced hepatotoxicity; apoptosis; oxidative stress; antioxidant
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Choi, J.; Park, K.-H.; Kim, S.Z.; Shin, J.H.; Jang, S.-I. The Ameliorative Effects of L-2-Oxothiazolidine-4-Carboxylate on Acetaminophen-Induced Hepatotoxicity in Mice. Molecules 2013, 18, 3467-3478.
Choi J, Park K-H, Kim SZ, Shin JH, Jang S-I. The Ameliorative Effects of L-2-Oxothiazolidine-4-Carboxylate on Acetaminophen-Induced Hepatotoxicity in Mice. Molecules. 2013; 18(3):3467-3478.
Choi, Jiwon; Park, Kwang-Hyun; Kim, Sung Z.; Shin, Jun H.; Jang, Seon-Il. 2013. "The Ameliorative Effects of L-2-Oxothiazolidine-4-Carboxylate on Acetaminophen-Induced Hepatotoxicity in Mice." Molecules 18, no. 3: 3467-3478.