DNA fragmentation and oxidative stress compromise sperm motility and survival in late pregnancy exposure to omega-۹ fatty acid in rats
Publish place: Iranian Journal of Basic Medical Sciences، Vol: 19، Issue: 5
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJBMS-19-5_008
تاریخ نمایه سازی: 30 مهر 1400
Abstract:
Objective(s):The aim of this study was to evaluate the oxidative status and DNA integrity in testes of wistar rat offspring exposed to omega-۹ monounsaturated (MUFA) at different times of late organogenesis. Materials and Methods:Sixty female rats were divided into six groups of ۱۰ animals. The first group served as control and received the drug vehicle, olive oil (۱ ml/kg/day). The second, third, fourth, fifth and sixth group received ۱۰۰۰ mg/kg of oleic acid on gestation day ۱۵ (D۱۵), ۱۶ (D۱۶), ۱۷ (D۱۷), ۱۸ (D۱۸) and ۱۹ (D۱۹), respectively. Male pups were allowed to attain puberty and thereafter, blood was taken for hormonal analyses. Sperm count and motility were assessed. Testes homogenate was used for the determination of biochemical variables. Testes DNA was also determined. Results:The results showed that sperm count and motility were significantly decreased in the treated groups as compared to the control. There was a marked increase in the malondialdehyde level in rat testes from all of the treated groups as compared to the control (P<۰.۰۵). DNA from the testes of rats of D۱۹ had the highest level of fragmentation as compared to the control. Conclusion: Omega-۹ MUFA exposure in utero imposes negative effects on sperm variables and increases the level of sperm DNA fragmentation and oxidative stress.
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Authors
Oyelowo Oluwakemi
Department of Physiology, College of Medicine of the University of Lagos, Lagos, Nigeria
Adegoke Olufeyisipe
Department of Physiology, College of Medicine of the University of Lagos, Lagos, Nigeria
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