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半胱氨酸对猪卵母细胞体外发育潜力及谷胱甘肽水平的影响 被引量:6

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摘要 探讨mTCM199中添加不同浓度的半胱氨酸对猪卵母细胞体外成熟及体外受精的影响,并研究了体外成熟过程中谷胱甘肽(GSH)浓度的变化。结果表明:0.10 mg/mL半胱氨酸可明显改善猪卵母细胞体外成熟和体外受精的效果(P<0.05),经测定,猪卵母细胞内GSH浓度随着半胱氨酸浓度提高与培养时间的延长而逐渐升高,且添加0.05 mg/mL和0.10 mg/mL半胱氨酸的猪卵母细胞培养48 h时可使GSH浓度达到最大值(P<0.05)。因此,GSH的浓度可作为卵母细胞细胞质成熟度的一个特征性指标,且0.10 mg/mL半胱氨酸的猪卵母细胞成熟培养48 h的效果最好。
出处 《畜牧与兽医》 北大核心 2011年第4期54-56,共3页 Animal Husbandry & Veterinary Medicine
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