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Role of zinc on lipid peroxidation and antioxidative enzymes in intestines of ethanol-fed rats

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Abstract

This study was undertaken to investigate the effects of zinc on lipid peroxidation and various antioxidative enzymes in the intestines of male Wistar rats fed on ethanol. It was observed that NADPH-dependent lipid peroxidation (LP) was significantly increased upon ethanol treatment for 4 and 8 wk. The concentraton of glutathione as well as the activities of catalase, superoxide dismutase (SOD), glutathione peroxidase (GPx), and glutathione reductase (GR) were also found to be significantly increased upon ethanol feeding at all of the treatment intervals. The glutathione levels were found to be further elevated upon combined zinc and ethanol treatments. Interestingly, the administration of zinc to ethanol-fed rats was able to bring down the elevated levels of LP, catalase, SOD, and GPx, thus indicating the antiperoxidative potential of zinc under such conditions.

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Authors and Affiliations

  1. Department of Nuclear Medicine, PGIMER, Chandigarh, India

    A. Pathak

  2. Department of Biophysics, Panjab University, 160014, Chandigarh, India

    R. Pathak & D. Dhawan

  3. Department of Biochemistry, Panjab University, 160014, Chandigarh, India

    A. Mahmood

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  1. A. Pathak
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  2. A. Mahmood
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  3. R. Pathak
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  4. D. Dhawan
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Pathak, A., Mahmood, A., Pathak, R. et al. Role of zinc on lipid peroxidation and antioxidative enzymes in intestines of ethanol-fed rats. Biol Trace Elem Res 100, 247–257 (2004). https://doi.org/10.1385/BTER:100:3:247

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  • DOI: https://doi.org/10.1385/BTER:100:3:247

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