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相关概念视频

Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

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During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
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相关实验视频

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Evaluation of Intracellular Location of Reactive Oxygen Species in Solea Senegalensis Spermatozoa
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使用纳米技术最小化精子氧化应激,用于公羊的繁殖计划.

Alejandro Jurado-Campos1, Pedro Javier Soria-Meneses1, María Arenas-Moreira2,3

  • 1SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario, S/N, 02071, Albacete, Spain.

Journal of animal science and biotechnology
|August 9, 2023
PubMed
概括

维生素E纳米乳液在运输过程中有效地保持雄羊精子质量,在15-22°C下长达96小时. 这种纳米技术增强了精子的生命力和运动性,为人工授精计划提供了更大的灵活性.

关键词:
繁殖技术 繁殖技术 繁殖技术纳米乳液是一种纳米乳液.纳米技术 纳米技术精子的氧化压力是精子的氧化压力.维生素E 维生素E 是一种维生素.

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科学领域:

  • 生殖生物学 生殖生物学
  • 纳米技术在动物科学中的应用
  • 精子保护 精子保护

背景情况:

  • 动物人工授精 (AI) 受到精子对温度的敏感性和短暂的生育寿命的限制.
  • 纳米技术为人工智能期间的精子保护提供了新的解决方案.
  • 维生素E纳米乳液 (NE) 在运输过程中改善雄羊精子质量方面进行了研究.

研究的目的:

  • 评估维生素E纳米乳液 (NE) 在维护雄羊精子质量的有效性.
  • 评估NE在储存期间对精子运动性,活力和完整性的影响.
  • 确定使用NE在AI中延长精子运输的可行性.

主要方法:

  • 拉姆射精被收集并用Andromed®进行扩展.
  • 样品被用维生素E NE (12 mmol/L) 或对照剂处理,有/没有氧化应激.
  • 精子参数 (运动性,活力,体完整性,线粒体潜力,脂氧化,ROS,DNA完整性) 在15°C和22°C下进行了96小时的监测.

主要成果:

  • 维生素E NE在15°C和22°C下维持雄羊精子质量长达96小时.
  • 在未经NE处理的样本中没有观察到动力学或生理学特征的显著损失.
  • NE 证明了对氧化应激的保护作用,保护精子参数.

结论:

  • 维生素E纳米乳液可用于2-5天的雄羊精子的液态储存.
  • 这种方法为人工授精计划中的育种者提供了更大的灵活性.
  • 需要进一步的研究来评估使用NE保存精子的AI的生育结果.