显微穿刺纠正人三原核合子囊胚发育潜能的临床研究

Chinese Journal of Family Planning(2021)

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Abstract
目的:探讨显微穿刺纠正人三原核合子(3PN)囊胚的发育潜能.方法:2018年7-10月在本院行短时受精周期中,对151个3PN去除多余原核(3→2PN组),及同期同患者的2PN 414个(2PN组)的胚胎发育情况进行比较,取3→2PN可用囊胚滋养细胞层(TE)及内细胞团细胞(ICM)进行高通量测序和染色体拷贝数变异(CNV)分析.结果:151个3PN成功显微去核141个(3→2PN组),成功率93.4%.3→2PN组第3天胚胎卵裂率、第5~7天囊胚形成率低于2PN组(77.3%比97.3%,8.3%比62.6%),≥6细胞胚胎形成率、优质胚胎形成率高于2PN组(87.2%比78.4%,80.7%比56.8%),可用囊胚率与2PN组相似(88.9%比63.2%)(均P>0.05).共检测了6份TE样本和5份ICM样本,10份样本核型检查结果为46XN,1份TE样本检查结果为46,XN,-6(×1,mos,~40%),-6q(×1,mos,~50%).结论:显微穿刺去核技术纠正3PN合子的多余原核,能够提高胚胎的进一步发育潜能,其利用价值有待进一步研究.
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