1. [Sperm sex chromosome analysis and preimplantation genetic diagnosis of patients with sex chromosome anomalies].
- Author
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Xu YW, Ren XL, Zhou CQ, Li HP, Liu Y, Zhang MF, and Zhuang GL
- Subjects
- Adult, Female, Humans, In Situ Hybridization, Fluorescence, Male, Chromosomes, Human, X genetics, Chromosomes, Human, Y genetics, Preimplantation Diagnosis methods, Sex Chromosome Aberrations, Spermatozoa metabolism
- Abstract
Objective: To investigate the constitution of abnormal spermatozoa from patients with sex chromosome anomalies., Methods: Triple color fluorescence in situ hybridization (FISH) was used to determine the sex chromosome constitution of spermatozoa from three patients with sex chromosome anomalies (case 1:46,XY/47,XXY, case 2:45,XO/46,X,Yqh-, case 3:47,XXY). The preimplantation genetic diagnosis (PGD) was performed to case 2., Results: An increased ratio (2.05 vs 1) of X-bearing to Y-bearing spermatozoa was only observed in case 2, who also had an increased incidence of total abnormal spermatozoa (29.71%). An increased incidence of total abnormal spermatozoa (4.91%) was also observed in case 3. Among the constitution of abnormal spermatozoa, case 2 had the increased proportions of XY18 disomy, O18 monosomy and XO monosomy, while case 3 had an increase proportion of XY18 disomy (1.87%). PGD was performed to case 2 and one embryo with XX1818 was selected for implanting., Conclusion: Using FISH to detect the sperm sex chromosomes in patients with sex chromosome anomalies can provide the useful information to evaluate the risk of sex chromosome anomalies in preimplantation embryos.
- Published
- 2006