Volume 21, Number 2 (May-Jun 2013)                   JSSU 2013, 21(2): 127-135 | Back to browse issues page


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Roghani M, Arbab-Soleymani S. The Effect of Oral Feeding of Tribulus Terrestris Fruit on Some Markers of Oxidative Stress in the Brain of Diabetic Rats. JSSU. 2013; 21 (2) :127-135
URL: http://jssu.ssu.ac.ir/article-1-2419-en.html

Abstract:   (5712 Views)
Introduction: Chronic diabetes mellitus in the long run accompanies enhanced oxidative stress burden and decreases activity of antioxidant defense system. Due to significant role of these factors in development of some neurological disorders and with regard to antidiabetic and antioxidant effect of Tribulus terrestris (TT), this study was conducted to evaluate the effect of its oral administration on brain tissue level of some markers of lipid peroxidation and oxidative stress in diabetic rats. Methods: In this experimental study, rats were divided into 4 groups, i.e. control, TT-treated control, diabetic, and TT-treated diabetic groups. For induction of diabetes, streptozotcin (STZ) was intraperitoneally administered (60mg/Kg). In addition, TT-treated groups received TT mixed with standard pelleted food at a weight ratio of 3% for 5 weeks. Level of malondialdehyde (MDA) and nitrite as well as activity of superoxide dismutase (SOD) in brain tissue were measured at the end of the study. Results: Diabetic rats showed a significant increase in tissue level of MDA (p<0.01) and nitrite (p<0.01) and a non-significant reduction of SOD activity. Furthermore, TT treatment significantly reduced level of MDA p<0.01) and nitrite (p<0.05). Also, SOD activity in treated-diabetic group was non-significantly higher as compared to diabetics. Conclusion: Chronic oral treatment with TT could attenuate some markers of lipid peroxidation and oxidative stress in brain tissue in diabetic rats which this could possibly prevent some neurological disorders due to enhanced oxidative stress.
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Type of Study: Original article | Subject: Physiology
Received: 2013/06/3 | Accepted: 2013/09/28 | Published: 2013/09/28

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