Abstract:
:Ghrelin has recently been reported to exert beneficial effects on various oxidative stresses as a result of its antioxidant properties. Therefore, we designed this study to explore the probable antioxidative effects of this peptide in the testis. Twenty-eight male adult Wistar rats were divided into equal control and treatment groups. In the treatment group, 1 nmol of ghrelin was administered as subcutaneous injection for 10 consecutive days or vehicle (physiological saline) to the control rats. The control and treated rats were killed on days 6 and 10 after beginning of ghrelin injection (n = 7 from each group on each day). The testes were taken and measured for antioxidant enzyme activity and malondialdehyde (MDA) content. Glutathione peroxidase activity significantly increased on day 10 in the treated animals compared with the control group (P < 0.05). Although the mean activity of glutathione peroxidase was greater on day 6 in the ghrelin-treated group than in the control animals, it was not statistically significant. There were no significant differences in superoxide dismutase and catalase activities between the groups. However, MDA level decreased by ghrelin treatment on day 10 compared with the control rats (P < 0.05). The results of this study indicate for the first time novel evidences for antioxidant properties of ghrelin in the rat testis.
journal_name
Andrologiajournal_title
Andrologiaauthors
Kheradmand A,Alirezaei M,Asadian P,Rafiei Alavi E,Joorabi Sdoi
10.1111/j.1439-0272.2009.00932.xsubject
Has Abstractpub_date
2009-12-01 00:00:00pages
335-40issue
6eissn
0303-4569issn
1439-0272pii
AND932journal_volume
41pub_type
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