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冷介质在体外生产的牛胚胎中保持了囊胚发育和质量:一个为期六个月的评估

Allison A Walsh¹, Michael Morozyuk¹, Gustavo P Schettini¹

¹School of Animal Sciences, Virginia Polytechnic Institute and State University, 175 W. Campus Drive, Blacksburg, VA, 24061, USA.

|July 22, 2025

概括

在体外胚胎生产 (IVP) 介质的冷保存保持了牛胚胎发育能力. 冷介质减少了制备的变化,提高了实验一致性和实验室效率,以改善结果.

科学领域:

生殖生物学生殖生物学
胚胎学胚胎学
低温生物学低温生物学

背景情况:

介质制备的变化是牛体外胚胎生产 (IVP) 中的一个重大挑战.
媒介中的批量对批量不一致性可能会对实验结果和胚胎发育产生负面影响.

研究的目的:

评估冷保存介质对牛IVP的疗效.
为了确定冷介质是否可以保持胚胎发育能力,并减少制剂的变化.

主要方法:

冷 (-80°C) 与新鲜合成卵管液 (SOF) 基介质的比较,用于牛胚胎细胞生产.
对一个,三个和六个月的储存期进行评估.
评估裂变速率,胚芽细胞形成,化速率和细胞计数 (热皮体和表皮质).

主要成果:

在冷和新鲜介质组之间,裂,胚胎囊或化速率没有显著差异.
在所有治疗组中, trofhectoderm 和 epiblast 细胞数量是可比的.
冷介质显示pH值增加,但不会影响胚胎发育.

结论:

IVP介质的冷保存有效地保持了胚胎发育能力.
冷介质通过减少批量变化和增强实验一致性提供了实际优势.
实施冷介质协议可以提高大型牛IVP的实验室效率.

关键词:

胚胎囊中的胚胎细胞.牛群是牛群,牛群就是牛群.发展发展发展发展发展胚胎发生是胚胎发生.媒体媒体媒体

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