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Protective Effect of Selenium on Nicotine-Induced Testicular Toxicity in Rats

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Abstract

Effect of exogenous selenium at a dose of 10 μg/kg body weight on the testicular toxicity induced by nicotine in rats was investigated. Male albino rats were maintained for 60 days as follows: (1) control group (normal diet), (2) nicotine group (0.6 mg /kg body weight), (3) selenium (10 μg/kg body weight), and (4) nicotine (0.6 mg/kg body weight) + selenium (10 μg/ kg body weight). Administration of nicotine caused reduction in sperm count and sperm motility. Activity of HMG CoA reductase and concentration of cholesterol were increased in the testes of the nicotine administered group. Activities of testicular enzymes 3β hydroxysteroid dehyrogenase (3βHSD), 17β hydroxysteroid dehyrogenase (17βHSD) were decreased. Levels of testosterone in the serum were also reduced. However, the extent of these alterations was lesser in the group administered with nicotine along with selenium. Analysis of plasma revealed reduced quantity of cotinine in the group co-administered with nicotine along with selenium in comparison with the nicotine group. Nondetectable levels of nicotine were present in the co-administered group. This indicates altered metabolism of nicotine when administered along with selenium.

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Notes

  1. Composition of the rat feed: The selenium content of the feed was 0.0035 μg/g, crude protein 24%, ether extract 1–3.5%, crude fiber 12%, ash 8%, calcium 1.2%, phosphorus0.06%, and nitrogen free extract 43%.

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Authors and Affiliations

  1. Department of Biochemistry, University of Kerala, Kariavattom, Trivandrum, 695581, India

    P. Seema, S. S. Swathy & M. Indira

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  1. P. Seema
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  2. S. S. Swathy
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  3. M. Indira
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Correspondence to M. Indira.

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Seema, P., Swathy, S.S. & Indira, M. Protective Effect of Selenium on Nicotine-Induced Testicular Toxicity in Rats. Biol Trace Elem Res 120, 212–218 (2007). https://doi.org/10.1007/s12011-007-8021-7

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  • DOI: https://doi.org/10.1007/s12011-007-8021-7

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