NADPH氧化酶5活性和反应性氧物种对有能力的人类精子的影响
Mohammad Hojjat iFar1, Sara Keshtgar1, Narges Karbalaei1
1Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Journal of reproduction & infertility
|January 20, 2025
概括
在电容化过程中,NADPH氧化酶-5 (NOX5) 不会显著影响人类精子功能. 抑制或激活NOX5对精子运动有负面影响,这表明这些影响与NOX5活性或活性氧物种 (ROS) 生产无关.
科学领域:
- 生殖生物学 生殖生物学
- 精子生理学 精子生理学
- 氧化压力是一种氧化压力.
背景情况:
- 孕激素 (P4) 激活精子通道 (CatSper),导致流入.
- 流入激活NADPH氧化酶-5 (NOX5),产生活性氧物种 (ROS).
- NOX5在人类精子中扮演的角色尚不清楚.
研究的目的:
- 研究NOX5在人类精子中的活性和作用.
- 为了确定NOX5调节对精子功能的影响.
主要方法:
- 人类精子样本被分为九个实验组,包括对照组,孕激素,NOX5抑制剂 (DPI),NOX5激活剂 (PMA) 和抗氧化剂 (Trolox).
- 评估了精子动力学,膜完整性,生存率和ROS生产.
- 使用ANOVA和Kruskal-Wallis测试进行了统计分析.
主要成果:
- 随着DPI和PMA治疗,单独或与孕激素一起,渐进的运动性和线性显著下降.
- 与对照组相比,在接受P4+PMA和P4+Trolox治疗的组中,直线速度降低了.
- 特洛克斯降低了ROS含量,但其他治疗方法没有显著改变ROS水平.
结论:
- NOX5似乎在人类精子功能中没有显著的作用.
- 观察到的PMA和DPI对精子运动的负面影响可能独立于NOX5和ROS.
- 有能力的精子显示出对ROS的最低要求,以获得运动性和生存.
关键词:
在NADPH氧化酶5中.孕激素 (Progesterone) 是一种激素.有反应性氧物种的反应性氧物种.精子电容性的精子.精子动物 (Spermatozoa) 是一种精子.托罗洛克斯 (Trolox) 是一种可怕的药物.更多相关视频
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