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山东大学学报(医学版)

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抗冷冻蛋白III对小鼠胚胎冷冻保护的作用

文燕1,赵淑芹2,沈彦军1,晁岚1,宋长征3,邓晓惠1   

  1. 1.山东大学齐鲁医院不孕不育诊疗中心,山东 济南 250012;
    2.山东省枣庄市妇幼保健院,山东 枣庄 277100; 3. 山东省医学科学院, 山东  济南 250062
  • 收稿日期:2013-12-10 出版日期:2014-05-10 发布日期:2014-05-10
  • 通讯作者: 邓晓惠 E-mail:dxh0122@163.com
  • 基金资助:
    山东省科技攻关项目(2010GSF10814);国家自然科学基金面上项目(81370711);国家自然科学基金青年项目(30901603)

Exploration of the protective role of antifreeze protein III on mouse embryo in vitrification

WEN Yan1, ZHAO Shuqin2, SHEN Yanjun1, CHAO Lan1, SONG Changzheng3, DENG Xiaohui1   

  1. 1. Infertility Center, Qilu Hospital of Shandong University, Jinan 250012, Shangdong,China;
    2. Infertility Center, Zaozhuang Maternal and Child Care Service Hospital, Zaozhuang 277100, Shangdong, China;
    3. Shandong Academy of Medical Sciences, Jinan 250062, Shangdong, China
  • Received:2013-12-10 Online:2014-05-10 Published:2014-05-10

摘要: 目的  将抗冷冻蛋白III(AFPIII)应用于小鼠2-细胞期胚胎玻璃化冷冻保存,观察其对细胞微丝骨架结构和冷冻复苏后发育潜能是否有保护作用。方法  收集小鼠2-细胞期胚胎1200枚,随机分为新鲜对照组、玻璃化冷冻组和添加AFPIII玻璃化冷冻组(AFPIII终浓度为500 ng/mL),每组400枚,其中200枚胚胎进行复苏后囊胚培养,200枚进行细胞微丝的免疫荧光染色,比较各冷冻组胚胎复苏存活率和其后的囊胚形成率以及各组微丝完整胚胎比率。结果  添加AFPIII玻璃化冷冻组胚胎复苏率高于玻璃化冷冻组,差异有统计学意义(P<0.05)。新鲜对照组和添加AFPIII玻璃化冷冻组囊胚形成率、微丝完整胚胎比率均高于玻璃化冷冻组,差异有统计学意义(P<0.05);新鲜对照组和添加AFPIII玻璃化冷冻组之间差异无统计学意义(P>0.05)。结论  AFPIII对小鼠2-细胞期胚胎玻璃化冷冻有保护作用。

关键词: 胚胎, 抗冷冻蛋白III, 玻璃化冷冻, 小鼠

Abstract: Objective  To observe whether antifreeze protein III (AFPIII) is able to protect cytoskeleton microfilament and the potential development after recovery while being used in the vitrification of two-cell stage embryos. Methods   A total of 1 200 two-cell stage embryos were collected and randomly divided into 3 groups: fresh control group, vitrification group, and vitrification group with additional AFPIII (500ng/mL) group, with 400 embryos in each group. Half of the embryos in each group were used for blastocyst culture after recovery, and the left were used for immunofluorescent staining of the microfilament, to compare the recovery rate, the following blastocyst formation rate, and the rate of formal cytoskeleton microfilament. Results  The recovery rate in the vitrification group with additional AFPIII was higher than that of the vitrification group (P<0.05); the ratio of blastocyst formation rate and intact actin filaments were higher in the fresh control group and vitrification group with additional AFPIII, compared to that of the vitrification group (both P<0.05); there was no statistical difference between the fresh control group and vitrification group with additional AFPIII (P>0.05). Conclusion  AFPIII plays a protective role on mouse two-stage embryos in vitrification.

Key words: Antifreeze protein III; , Vitrification, Mouse, Embryo

中图分类号: 

  • R574
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