序贯培养液G1/G2对山羊核移植胚胎发育和质量的影响

Chinese Journal of Animal and Veterinary Sciences(2011)

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Abstract
为了优化山羊核移植胚胎体外培养体系,提高核移植效率,本研究检测了山羊体细胞核移植(SCNT)胚胎在序贯培养液G1/G2中的发育率和囊胚细胞凋亡,以及核移植胚胎移植后的妊娠率,以传统mSOF-FBS培养液作为对照组,评估序贯培养液G1/G2支持山羊核移植胚胎的发育能力。结果显示,与对照组相比,G1/G2组的囊胚发育率差异不显著((27.7±3.1)%vs(25.3±1.0)%,P>0.05),囊胚细胞数和囊胚细胞凋亡率显著降低(分别为(93.2±4.5)vs(109.1±6.2)和(4.9±0.2)%vs(11.3±0.1)%,P<0.05),但移植后的妊娠率显著增高(21.4%vs 8.0%,P<0.05)。结果表明,与传统的培养液mSOF-FBS相比,序贯培养液G1/G2能更好地支持山羊核移植胚胎的发育。
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Key words
embryo culture,apoptosis,goat,SCNT
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