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在前核阶段的人工切除皮质区域:一项探索性研究,以改善胚胎碎片化

Keitaro Yumoto¹, Toko Shimura¹, Minori Kawamoto¹

¹Reproductive Center, Medical Corporation Group Mio Fertility Clinic, Kuzumo-Minami, Yonago, Japan.

|January 9, 2025

概括

人工 zona pellucida (ZP) 在前核阶段胚胎中被移除,显著减少了碎片化和改善了胚胎细胞的发育. 这种技术为经历反复出现辅助生殖技术 (ART) 失败的患者提供了有希望的解决方案.

科学领域:

生殖医学生殖医学
胚胎学胚胎学
辅助生殖技术 (ART) 是一种辅助生殖技术.

背景情况:

早期分裂阶段胚胎的严重碎片化在通过辅助生殖技术 (ART) 实现成功怀孕方面构成了挑战.
传统的ART协议可能会与胚胎表现出显著的碎片化而扎,影响发展潜力.
确定改善胚胎质量的干预措施对于提高ART成功率至关重要.

研究的目的:

为了评估人工 zona pellucida (ZP) 移除在前核阶段的疗效.
为了确定ZP的去除是否改善了在患有严重早期分裂的患者中良好质量的胚胎和胚芽细胞的发展.
评估ZP去除对关键ART结果的影响.

主要方法:

进行了一项探索性调查,涉及34名接受ART的患者.
获得了173个两核前核结合体,并将其分配到ZP无或ZP无损组.
没有ZP的组通过激光辅助去除ZP,而没有ZP的组作为对照组.

主要成果:

没有ZP的胚胎显著减少了碎片化,并保持了细胞母体间的粘附.
所有测量参数,包括优质胚胎率和胚胎细胞发育率,在ZP-无组中与ZP-无损组相比显著改善.
在没有ZP的队列中观察到增强的胚胎细胞发育和冷保存率.

结论:

在前核阶段人工去除ZP是一种有效的方法来缓解过度胚胎碎片化.
这种干预导致了更好的胚胎细胞发育和潜在的更高的成功率在ART.
患有复发性ART失败的患者可能会从人工ZP切除中受益,以实现成功的怀孕.

关键词:

没有ZP的培养.这里就是Zona pellucida.胚胎细胞的发育过程.细胞质碎片化的分裂人类胚胎人类胚胎

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