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一种简易的促排卵周期挽救性卵子体外成熟培养技术
Authors
Publication date
1 January 2010
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】 探讨人类成熟卵丘细胞在未成熟卵母细胞体外成熟培养中的作用,并建立一种简易的实施技术65377;【方法】 在控制性促排卵周期有未成熟卵母细胞时,将同周期成熟卵丘复合体切出部分卵丘细胞,用1 mL注射器抽打分散细胞,贴壁培养65377;113个治疗周期中,298枚生发泡期卵母细胞经3种不同培养液(A65380;B65380;C)体外成熟培养(同一病人的生发泡期卵被随机分到某同一组中):第1组28个周期中73枚(A液):基础培养液+卵泡液;第2组40个周期中115枚(B液):A液 + 分散贴壁的卵丘细胞;第3组45个周期中110枚(C液):A液 + 分散贴壁的卵丘细胞 + 促卵泡生成激素 + 表皮生长因子65377;观察其成熟率65380;受精率及可用胚胎获得率等65377;【结果】 24 h成熟率:组间比较有显著性差异(A: 45.2%, B: 61.7%, C: 78.2%, P < 0.05); 25 ~ 48 h无显著意义65377;成熟卵的正常受精率在59% ~ 67%之间,组间比较无显著差异;与第1组(54.5%,11.0%)相比,第2组(83.3%,25.2%)65380;第3组(90.7%,37.3%)的卵裂率和挽救率均有显著性差异(P < 0.05),可用胚胎获得率组间比较依次呈现上升趋势(66.7%,82.9%,83.7%)65377; 【结论】 来自控制性促排卵周期的成熟卵丘细胞经简易吹打分散后贴壁培养,可能能协同卵泡液中或外加的生长因子,促进未成熟卵母细胞的体外成熟,而本研究技术简易有效,可用于挽救促排卵周期的未成熟卵65377
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Last time updated on 15/10/2024