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:: Volume 2, Issue 4 (Winter 2013) ::
J Fasa Univ Med Sci 2013, 2(4): 308-313 Back to browse issues page
Protective effects of vitamin E and selenium on spermatogenesis in adult male rat insulin-resistant
Alireza Zakerabasali, Mojtaba Keshavarz, Ahmad Mozafar, Mohammad Ali Takhshid, Mohammad Hasan Meshkibaf 1
1- , meshkibaf2000@gmail.com
Abstract:   (27451 Views)

Background & Objective: Diabetes mellitus is a metabolic disease and is a multifactorial disorder characterized by chronic hyperglycemia resulting from impaired insulin secretion and insulin factional or both. In this study, the protective role of vitamin E and sodium selenite in preventing the harmful effects of insulin resistance (diabetes type 2) on spermatogenesis was studied.

 

Materials & Methods: Male adults (180-200 g) of Wistar rats were divided into five groups, each containing 7 rats (control, sham, and three experimental groups). The rats were fed daily with water-soluble fructose (10%), mg/kg 200 of vitamin E (gavage), and 5/0 mg/kg of sodium selenite (intraperitoneal injection) or both for 110 days. Subsequently, sperm parameters, levels of testosterone, LH, and daily sperm production (DSP) were checked. Additionally, testicular histopathology and malondialdehyde (MDA) in the testis were examined.

 

Results: Sperm count, sperm motility and viability, and insulin resistance in the rats decreased DSP. A significant decrease was observed in the number of Leydig cells, spermatogonia, spermatogenesis, and spermatozoa in the testis of the insulin-resistant animals, whereas MDA and testosterone rose in the insulin-resistant rats. Vitamin E and sodium selenite intake reduced the levels of MDA and harmful effects of fructose on testicles, as well as sperm parameters and testicular pathology. A simultaneous intake of vitamin E and sodium selenite conferred the highest level of protection.

 

Conclusion: These findings suggest that vitamin E and sodium selenite can have a protective role in the testes of rats against oxidative stress induced by diabetes type 2.

Keywords: Type 2 diabetes, Vitamin E, Sodium selenite, Spermatogenesis
Full-Text [PDF 794 kb]   (4068 Downloads)    
Type of Study: Research | Subject: Physiology
Received: 2013/03/13 | Accepted: 2013/09/14 | Published: 2013/09/14
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Zakerabasali A, Keshavarz M, Mozafar A, Takhshid M A, Meshkibaf M H. Protective effects of vitamin E and selenium on spermatogenesis in adult male rat insulin-resistant. J Fasa Univ Med Sci. 2013; 2 (4) :308-313
URL: http://journal.fums.ac.ir/article-1-152-en.html


Volume 2, Issue 4 (Winter 2013) Back to browse issues page
Journal of Fasa University of Medical Sciences
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