Abstract Title:

Inhibitory effects of 1alpha, 25dihydroxyvitamin D3 and Ajuga iva extract on oxidative stress, toxicity and hypo-fertility in diabetic rat testes.

Abstract Source:

J Physiol Biochem. 2008 Sep;64(3):231-9. PMID: 19244937

Abstract Author(s):

K Hamden, S Carreau, K Jamoussi, F Ayadi, F Garmazi, N Mezgenni, A Elfeki

Abstract:

The aim of the current study is to investigate the therapeutic and preventive effects of 1alpha, 25dihydroxyvitaminD3 (1,25 (OH)2 D3) and Afuga iva (AI) extract on diabetes toxicity in rats testes. Thus diabetic rats were treated with 1alpha, 25dihydroxyvitaminD3 or Ajuga iva extract as both therapeutic and preventive treatments on diabetes toxicity in rats testes. Our results showed that diabetes induced a decrease in testosterone and 17beta-estradiol levels in testes and plasma. Besides, a fall in testicular antioxidant capacity appeared by a decrease in both antioxidant (superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities) and nonenzymatic antioxidant (copper (Cu), magnesium (Mg) and iron (Fe) levels). All theses changes enhanced testicular toxicity (increase in testicular aspartate amino transaminase (AST), alanine amino transaminase (ALT), lactate dehydrogenase (LDH) activities and the lipid peroxidation and triglyceride (TG) levels). In addition, a decrease in testicular total cholesterol (TCh) level was observed in diabetic rats testes. All the changes lead to a decrease in the total number and mobility of epididymal spermatozoa. The administration of 1alpha,25dihydroxyvitaminD3 and Ajuga iva extract three weeks before and after diabetes induction interfered and prevented diabetes toxicity in the reproductive system. 1,25 (OH)2 D3 and Ajuga iva extract blunted all changes observed in diabetic rats. To sum up, the data suggested that 1,25 (OH)2 D3 and Ajuga iva extract have a protective effect on alloxan-induced damage in reproductive system by enhancing the testosterone and 17beta-estradiol levels, consequently protecting from oxidative stress, cellular toxicity and maintaining the number and motility of spermatozoids.

Study Type : Animal Study

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