对于卵子剥离的健康方法
Amir Mokhtare1, Amirhossein Favakeh2, Philip Xie3
1Department of Food Science, Cornell University, Stocking Hall, Ithaca, New York; Center for Technology Licensing, Cornell University, Ithaca, New York.
F&S science
|December 29, 2024
概括
一种新的声水动力学 tweezers 方法提供了一个更快,更安全,更可靠的非接触的方式,以从卵细胞中去除积细胞,用于细胞内质精子注射 (ICSI). 这种技术实现了与传统方法相比的胚胎发育和活产率,减少了手术时间和氨酸酶的使用.
科学领域:
- 生殖生物学 生殖生物学
- 生物技术是生物技术.
- 医疗器械 医疗器械
背景情况:
- 传统的方法去除积卵细胞复合体 (COCs) 用于细胞内质精子注射 (ICSI) 可能是耗时的,可能会造成损害.
- 需要创新,高效和安全的技术来改善辅助生殖技术.
研究的目的:
- 在ICSI之前引入和评估声水动力学子 (AHTs) 作为一种新的非接触式方法,用于COC排泄.
- 为了在小鼠模型中比较AHTs与传统的手动输管 (MP) 脱皮的疗效和安全性.
主要方法:
- AHT的设计和制造是基于聚焦的声波,用于无接触的卵细胞剥离.
- 实验涉及使用小鼠模型将AHT与MP进行比较,评估累积物去除效率,受精,胚胎发育和活产率.
- 通过测量声强度和热变性来确保安全;与AHTs一起使用较低的度氨酸酶.
主要成果:
- 与MP相比,AHT实现了轻松的非接触脱皮,没有损害卵细胞,将程序时间减少了46%.
- 用AHTs处理的卵子细胞显示了与MP处理的卵子细胞相似的存活率,受精率,胚芽细胞率和胚胎形态动力学.
- 在AHT和MP组中,活产率相似 (55.4%和51.3%),表明声波没有不良影响.
结论:
- 声学液动力学子为ICSI提供了一种快速,安全和可靠的非接触方法,用于COC排泄.
- 相似的胚胎发育结果验证了AHT的安全性和潜力,用于集成到ICSI芯片设备中.
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