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ORIGINAL ARTICLE
Year : 2010  |  Volume : 2  |  Issue : 6  |  Page : 330-334

Effect of nanohypericum (Hypericum perforatum gold nanoparticles) treatment on restraint stressinduced behavioral and biochemical alteration in male albino mice


Department of Zoology, Faculty of Science, Annamalai University, Annamalai Nagar, Tamilnadu, India

Correspondence Address:
M Sabesan
Professor and wing Head, Department of Zoology, Annamalai University, Annamalainagar - 608 002, Tamilnadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-8490.75450

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Backgorund: Hypericum perforatum extract (HPE), is known for its antidepressant effect. Methods: In the present study we investigated the effect of H. perforatum gold nanoparticles (Nanohypericum-HPGNPs) protective role against restraint stress-induced behavioral and biochemical alterations in mice. Animals were immobilized for a period of 6 hrs/day. HPE (200 mg/kg) and nanohypericum (20 mg/kg) were administered 30 minutes before the animals were subjected to acute immobilized stress. Behavioral test parameters for anxiety and spatial memory were assessed followed by biochemical parmeters (lipid peroxidation, super oxide dismutase, catalase, glutathione peroxidase, reduced glutathione, etc.) subsequently. Results: The behavior study showed severe anxiety and memory loss compared to unstressed animals. Biochemical analyses revealed an increase in lipid per oxidation, depletion of super oxide dismutase, reduced glutathione, catalase activity and glutathione per oxidase as compared to unstressed animal. Twenty one days of H. perforatum and nanohypericum treatment in a dose of 200 mg/kg and 20 mg/kg, respectively, significantly attenuated restraint stress-induced behavioral and oxidative damage. Conclusion: In conclusion nanohypericum prove the modest activity than the HPE.


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