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三种冻贮细管对人三原核卵裂期胚胎玻璃化冷冻的影响 被引量:9

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摘要 目的:观察冻贮细管、开放型拉细冻贮细管和闭合型拉细冻贮细管三种冻贮细管对玻璃化冻融胚胎形态和功能的影响。方法:将人三原核受精卵发育形成的200个6-10-细胞胚胎随机分为四组:对照组20个、冻贮细管组(straw,S)、开放型拉细冻贮细管组(openpulledstraw,OPS)和闭合型拉细冻贮细管组(closepulledstraw,CPS)各60个。比较超速玻璃化冷冻胚胎复苏后存活率;并测定复苏后部分存活胚胎线粒体跨膜电位(△Ψm)。结果:CPS超速玻璃化冷冻胚胎存活率最高,与OPS和S组相比,差异具有显著性(P<0.05);后两者间无差异。CPS与OPS组△Ψm均高于S组(P<0.05);前两者间无明显差异(P>0.05);但实验组△Ψm均低于对照组,差异有统计学意义(P<0.05)。结论:CPS对玻璃化冻融胚胎的形态和功能影响最小;OPS组虽未获得比S组更高的形态存活率,但减轻了对胚胎的功能损伤。
出处 《生殖与避孕》 CAS CSCD 北大核心 2006年第8期500-503,共4页 Reproduction and Contraception
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参考文献8

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二级参考文献16

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