Investigation of the risk of paternal cell contamination in PGT and the necessity of intracytoplasmic sperm injection.

IF 2.1 4区 医学 Q2 OBSTETRICS & GYNECOLOGY
Human Fertility Pub Date : 2023-12-01 Epub Date: 2022-05-10 DOI:10.1080/14647273.2022.2026498
Colleen Lynch, Ellen Armstrong, Marina Charitou, Tony Gordon, Darren Griffin
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引用次数: 0

Abstract

ICSI is widely recommended for patients undergoing preimplantation genetic testing (PGT), but are sperm a potential source of paternal cell contamination in PGT? Semen samples were obtained from five normozoospermic men consenting to research. From each sample 1, 2, 4, 8 and 10 sperm were collected in PCR tubes and whole genome amplification according to PGT-A and PGT-SR processing protocols was undertaken. None of the 25 samples submitted (a total of 125 sperm) showed evidence of DNA amplification. Thus, paternal cell contamination resulting from using conventional in vitro fertilization (IVF) as the insemination method, carries a low risk of an adverse event or misdiagnosis in PGT-A. Due to the higher risk incurred with PGT-SR, clinics may wish to exercise increased caution and continue using ICSI, while PGT-M involves different processing protocols, presenting a different risk profile.

PGT中父系细胞污染风险的调查及卵浆内单精子注射的必要性。
ICSI被广泛推荐给接受胚胎植入前基因检测(PGT)的患者,但是精子是PGT中父亲细胞污染的潜在来源吗?精液样本取自5名同意参与研究的无精子男性。从每个样本中收集1、2、4、8和10个精子,并根据PGT-A和PGT-SR处理方案进行全基因组扩增。提交的25个样本(总共125个精子)中没有一个显示出DNA扩增的证据。因此,使用传统的体外受精(IVF)作为授精方法导致的父系细胞污染在PGT-A中具有较低的不良事件或误诊风险。由于PGT-SR的风险较高,诊所可能希望更加谨慎并继续使用ICSI,而PGT-M涉及不同的处理方案,呈现不同的风险特征。
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来源期刊
Human Fertility
Human Fertility OBSTETRICS & GYNECOLOGY-REPRODUCTIVE BIOLOGY
CiteScore
3.30
自引率
5.30%
发文量
50
期刊介绍: Human Fertility is a leading international, multidisciplinary journal dedicated to furthering research and promoting good practice in the areas of human fertility and infertility. Topics included span the range from molecular medicine to healthcare delivery, and contributions are welcomed from professionals and academics from the spectrum of disciplines concerned with human fertility. It is published on behalf of the British Fertility Society. The journal also provides a forum for the publication of peer-reviewed articles arising out of the activities of the Association of Biomedical Andrologists, the Association of Clinical Embryologists, the Association of Irish Clinical Embryologists, the British Andrology Society, the British Infertility Counselling Association, the Irish Fertility Society and the Royal College of Nursing Fertility Nurses Group. All submissions are welcome. Articles considered include original papers, reviews, policy statements, commentaries, debates, correspondence, and reports of sessions at meetings. The journal also publishes refereed abstracts from the meetings of the constituent organizations.
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