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不同培养液对牛卵母细胞体外成熟及孤雌胚胎发育的影响 被引量:3

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摘要 为研究表皮生长因子(EGF)、β-巯基乙醇(β-ME)、亚硫磺酸(HTAU)对牛卵母细胞体外成熟(IVM)及孤雌激活胚胎体外发育(IVC)效果的影响,实验采集牛卵巢采用切割法收集卵丘-卵母细胞复合体(COCs)随机处于不同浓度EGF、β-ME培养液成熟培养24 h后孤雌激活,研究其在不同胚胎培养液中的后续发育,以期筛选出最好的牛卵母细胞IVM-IVC条件。结果表明:添加25、50、100 ng/mL EGF组的成熟率、卵裂率均高于对照组,其中50 ng/mL EGF组的成熟率、卵裂率与对照组差异显著(P<0.05);50、100、500μmol/L的β-ME对牛卵母细胞体外成熟没有促进作用;50 ng/mL EGF与50、100μmol/Lβ-ME组合并无协同作用;胚胎培养基中添加不同浓度EGF对早期胚胎的体外发育无显著影响;而添加100μmol/Lβ-ME组的囊胚率、囊胚细胞数均极显著高于对照组(P<0.01);在成熟液中添加50 ng/mL EGF和100μmol/Lβ-ME、胚胎培养液中添加0.5 mmol/L HTAU孤雌胚发育最好。
出处 《中国畜牧杂志》 CAS 北大核心 2012年第23期31-35,共5页 Chinese Journal of Animal Science
基金 北京市科技新星项目资助(2009B18) 北京农业职业学院"奶牛细管冻精研究与推广"(XY-YF-12-11)
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参考文献14

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共引文献24

同被引文献36

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