安徽农学通报 >
2025 , Vol. 31 >Issue 2: 51 - 57
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.02.010
大豆卵磷脂和低密度脂蛋白在山羊精液冷冻保存中的应用研究进展
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孟康成(2003—),男,安徽蚌埠人,从事动物科学研究。 |
Copy editor: 胡立萍
收稿日期: 2024-10-12
网络出版日期: 2025-01-24
基金资助
国家重点研发计划课题“肉用山羊新品种培育与良种扩繁”(SQ2022YFD1300062)
安徽农业大学校级大学生创新创业训练计划项目(X202310364082)
Advances in the application of soy lecithin and low-density lipoprotein in the cryopreservation of goat semen
Received date: 2024-10-12
Online published: 2025-01-24
精液冷冻保存技术是现代畜牧业中用于遗传资源保护和繁殖管理的重要手段。本文从山羊精液冷冻保存技术及其保存过程中的冷冻损伤和冷冻保护剂的应用,大豆卵磷脂(SL)和低密度脂蛋白(LDL)在精液冷冻保存中的作用机理及应用,以及两者的联合应用等方面,探讨了SL和LDL在山羊精液冷冻保存中的研究进展。山羊精液冷冻保存技术是指通过构建极低温环境使山羊精液中的精子生理活动处于静止状态。精液在保存过程中受低温环境的影响导致细胞受损,活性氧积累导致精子质量下降,而冷冻保护剂的使用如甘油和卵黄可以减少精液冷冻保存过程中冰晶的形成,保护精子细胞膜免受冰晶的刺破。SL作为一种天然磷脂,在山羊精液冷冻保存过程中,能够减少冰晶形成,减轻活性氧对精子的伤害,从而降低对精子的损伤;LDL作为一种存在于鸡蛋黄中的脂蛋白,可与精液中的有害阳离子肽竞争性结合,保护精子免受有害蛋白的损伤;两者具有协同效应,LDL增强了SL的冷冻保护作用,而SL提供额外的抗氧化保护,共同提高精子在冷冻和解冻过程中的存活率,提高冷冻保护剂的整体效果。本文为山羊精液冷冻保存提供思路和参考。
孟康成 , 王茹 , 庞蕊 , 程潇 , 任春环 . 大豆卵磷脂和低密度脂蛋白在山羊精液冷冻保存中的应用研究进展[J]. 安徽农学通报, 2025 , 31(2) : 51 -57 . DOI: 10.16377/j.cnki.issn1007-7731.2025.02.010
Semen cryopreservation technology is an important means for the protection of genetic resources and breeding management in modern animal husbandry. In this paper, the research progress of soy lecithin (SL) and low- density lipoprotein (LDL) in cryopreservation of goat semen was discussed from the aspects of cryopreservation technology, cryopreservation damage in semen cryopreservation, and application of cryoprotectants, the mechanism and application of SL and LDL in cryopreservation of semen, and their combined application. The cryopreservation technology of goat semen is to make the physiological activity of sperm in goat semen static by constructing an extremely low temperature environment. Semen is affected by low temperature environment during storage, resulting in cell damage and accumulation of reactive oxygen species leading to sperm quality decline. The use of cryopprotectants such as glycerin and yolk can reduce the formation of ice crystals during cryopreservation of semen and protect sperm cell membrane from the punctured ice crystals. SL as a natural phospholipid, can reduce the formation of ice crystals and the damage of reactive oxygen species to sperm during cryopreservation of goat semen, thus reducing the damage of sperm by cryopreservation. LDL as a lipoprotein in egg yolk, can competitively bind with harmful cationic peptides in semen to protect sperm from harmful protein damage. The two have a synergistic effect, LDL enhances the cryoprotective effect of SL, while SL provides additional antioxidant protection, which together improves the survival rate of sperm during freezing and thawing, improving the overall effect of the cryoprotectants. This paper provides ideas and references for cryopreservation of goat semen.
Key words: soy lecithin; low-density lipoprotein; semen cryopreservation; goat; semen quality
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