首页> 外文期刊>Iranian Journal of Reproductive Medicine >THE ROLE OF FLAXSEED AND VITAMIN E ON OXIDATIVE STRESS IN PREPUBERTAL RATS WITH EXPERIMENTAL VARICOCELE: AN EXPERIMENTAL STUDY
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THE ROLE OF FLAXSEED AND VITAMIN E ON OXIDATIVE STRESS IN PREPUBERTAL RATS WITH EXPERIMENTAL VARICOCELE: AN EXPERIMENTAL STUDY

机译:亚麻籽和维生素E在实验性精索静脉曲张大鼠氧化应激中的作用:实验研究

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Background: Prepubertal varicocele has the most devastating effects on the testes. Oxidative stress is the major cause leading to infertility in varicocele. The antioxidant properties of Flaxseed (FS) treatment in some oxidative diseases have been reported.Objective: This study aimed to evaluate the antioxidant effect of FS in prepubertal rats with experimental varicocele.Materials and Methods: Forty two male prepubertal rats were divided into 6 groups: the varicocele group were either fed with 10% FS, or with regular diet, or with Vit E, the group with sham operation fed with 10% FS, or had regular diet, and control rats who had not been operated but received regular diet. Varicocele was created by Koksal method. After 6 weeks sperm superoxide anion and H2O2 were evaluated by flowcytometery. Semen total antioxidant capacity (TAC) by Koracevic method and testes malondialdehyde (MDA) by thiobarbituric acid with spectrophotometry was measured.Results: While superoxide anion and H2O2 were significantly higher in varicocele grop with regular diet (p=0.0001), FS significantly decreased the previously-mentioned parameters (p=0.0001). There were no significant differences for seminal TAC between 6 groups (p=0.07). Left testicular MDA concentration were lower in varicocele or group that were fed with 10% FS compared with other groups (p=0.001).Conclusion: Reactive oxygen species (ROS) may cause sperm oxidative damage. FS as a fat soluble antioxidant can scavenge intracellular ROS production in varicocele.
机译:背景:青春期前的精索静脉曲张对睾丸的破坏力最大。氧化应激是导致精索静脉曲张不育的主要原因。有文献报道了亚麻籽(FS)在某些氧化性疾病中的抗氧化特性。目的:本研究旨在评价FS对青春期前精索静脉曲张大鼠的抗氧化作用。材料与方法:42只雄性青春期前大鼠分为6组:精索静脉曲张组要么饲喂10%FS,或者定期饮食,要么接受Vit E,假手术组饲喂10%FS,或者规律饮食,对照组是不进行手术但接受常规饮食的大鼠。 Varicocele通过Koksal方法创建。 6周后,通过流式细胞仪评估精子中的超氧阴离子和过氧化氢。分光光度法测定了Koracevic法精液的总抗氧化能力(TAC)和硫代巴比妥酸法测定的睾丸丙二醛(MDA)。先前提到的参数(p = 0.0001)。 6组之间的TAC差异无统计学意义(p = 0.07)。精索静脉曲张或饲喂10%FS的组左睾丸MDA浓度低于其他组(p = 0.001)。结论:活性氧(ROS)可能导致精子氧化损伤。 FS作为脂溶性抗氧化剂可以清除精索静脉曲张中细胞内ROS的产生。

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