优化胆固醇含量高的环极素与大豆莱西丁结合,作为精子的冷保护剂
Mengqian He1,2, Jiehuan Xu1,2, Lingwei Sun1,2
1Shanghai Municipal Key Laboratory of Agri-Genetics and Breeding, Institute of Animal Husbandry and Veterinary Science, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China.
Veterinary sciences
|December 27, 2024
概括
豆 lecithin (SL) 和充满胆固醇的环极素 (CLC) 改善了公精子的冷保存. 结合2.5毫克CLC和0.5%SL,在解后显著提高了精子质量和抗氧化活性.
科学领域:
- 动物科学动物科学
- 生殖生物学 生殖生物学
- 低温生物学 低温生物学
背景情况:
- 豆 lecithin (SL) 和荷载胆固醇的环极素 (CLC) 用于精子冷保存.
- 有限的研究存在于SL和CLC的结合使用冷公精液.
研究的目的:
- 为了研究SL,CLC及其对精子结合的效果.冷损伤.
- 确定SL和CLC的最佳度,以改善解后的精子质量.
主要方法:
- 精液样本使用编程的冷机进行了冷保存.
- 评估了经解后的精子活力,运动性,线粒体活性,血完整性,体完整性和抗氧化剂指数 (MDA,SOD).
- 测试了SL (0.5%-2.0%) 和CLC (1.25-15毫克) 的各种度,以及CLC + SL (2.5毫克 + 0.25%-1.5%) 的组合.
主要成果:
- 2.5毫克CLC + 0.5%SL的组合显示了显著的协同效应,减少了冷损伤.
- 这种组合导致显著更高的活力 (56.69%),运动性 (54.35%),线粒体活性 (54.23%),血膜完整性 (53.52%) 和体完整性 (54.71%).
- 与其他组相比,观察到较低的MDA度 (5.65 nmol/mL) 和较高的SOD活性 (152.73 U/mL) 的抗氧化活性得到改善.
结论:
- 添加2.5毫克CLC和2.5毫克CLC + 0.5%SL的组合显著提高了冷公精子的质量和生育能力.
- 虽然这种组合对精子参数产生了协同效应,但受精和化率与单独服用2.5毫克CLC的效果相当.
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