| Selenium provides protection to the liver but not the reproductive organs in an atrazine-model of experimental toxicity. | |
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MedLine Citation:
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PMID: 20083397 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The present study evaluated the possible protective effects of selenium against atrazine-induced toxicity in the liver and reproductive system of rats. Atrazine administered to rats orally at a dose of 120mg/kg caused an inhibition in the activity of glutathione-S-transferase and an increase in malondialdehyde formation in the liver, testis and epididymis. Superoxide dismutase decreased in the liver and testis but was increased in the epididymis. Furthermore, hepatic glutathione and lactate dehydrogenase activity increased while epididymal catalase, ascorbate content, hepatic aspartate aminotransferase and glutathione peroxidase activities in all the tissues decreased in the atrazine-treated animals. Hepatic, testicular and epididymal alanine aminotransferase activities were not affected by atrazine (p>0.05). Decreased epididymal and testicular sperm number, sperm motility, daily sperm production and increased number of dead and abnormal sperm were observed in atrazine-treated rats. Treatment of rats orally with selenium at a dose of 0.25mg/kg did not prevent atrazine-induced changes in sperm characteristics and had no protective effects against atrazine-induced biochemical alterations in the testis and epididymis except testicular lactate dehydrogenase. Catalase activity and ascorbate contents were unchanged in these groups of animals. However, selenium effectively protected against atrazine-induced changes in biochemical indices in the liver. In rats treated with selenium alone, glutathione peroxidase in all the tissues, hepatic glutathione and superoxide dismutase, testicular lactate dehydrogenase activity and ascorbate content increased, while hepatic catalase activities decreased (p<0.05). Our data suggest that selenium effectively attenuated the toxic effects of atrazine-induced liver changes but not in the reproductive organs and sperms of rats. Selenium might therefore be useful in ameliorating oxidative stress in the liver. |
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Authors:
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Adebukola C Adesiyan; Titilola O Oyejola; Sunny O Abarikwu; Matthew O Oyeyemi; Ebenezer O Farombi |
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Publication Detail:
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Type: Journal Article Date: 2010-01-18 |
Journal Detail:
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Title: Experimental and toxicologic pathology : official journal of the Gesellschaft für Toxikologische Pathologie Volume: 63 ISSN: 1618-1433 ISO Abbreviation: Exp. Toxicol. Pathol. Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-02-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9208920 Medline TA: Exp Toxicol Pathol Country: Germany |
Other Details:
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Languages: eng Pagination: 201-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2009 Elsevier GmbH. All rights reserved. |
Affiliation:
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Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Nigeria. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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