دورية أكاديمية
Preimplantation Genetic Testing (PGT) and Prenatal Diagnosis of Schaaf-Yang Syndrome: A Report of Three Families and a Research on Genotype–Phenotype Correlations
| العنوان: | Preimplantation Genetic Testing (PGT) and Prenatal Diagnosis of Schaaf-Yang Syndrome: A Report of Three Families and a Research on Genotype–Phenotype Correlations |
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| المؤلفون: | Naixin Xu, Weihui Shi, Xianling Cao, Xuanyou Zhou, Hefeng Huang, Songchang Chen, Chenming Xu |
| المصدر: | Journal of Clinical Medicine, Vol 12, Iss 4, p 1688 (2023) |
| بيانات النشر: | MDPI AG, 2023. |
| سنة النشر: | 2023 |
| المجموعة: | LCC:Medicine |
| مصطلحات موضوعية: | Schaaf-Yang syndrome, MAGEL2, preimplantation genetic testing, prenatal diagnosis, genotype–phenotype correlation, Medicine |
| الوصف: | Schaaf-Yang Syndrome (SYS) is a genetic disorder caused by truncating pathogenic variants in the paternal allele of the maternally imprinted, paternally expressed gene MAGEL2 and is characterized by genital hypoplasia, neonatal hypotonia, developmental delay, intellectual disability, autism spectrum disorder (ASD), and other features. In this study, eleven SYS patients from three families were enrolled and comprehensive clinical features were gathered regarding each family. Whole-exome sequencing (WES) was performed for the definitive molecular diagnosis of the disease. Identified variants were validated using Sanger sequencing. Three couples underwent PGT for monogenic diseases (PGT-M) and/or a prenatal diagnosis. Haplotype analysis was performed to deduce the embryo’s genotype by using the short tandem repeats (STRs) identified in each sample. The prenatal diagnosis results showed that the fetus in each case did not carry pathogenic variants, and all the babies of the three families were born at full term and were healthy. We also performed a review of SYS cases. In addition to the 11 patients in our study, a total of 127 SYS patients were included in 11 papers. We summarized all variant sites and clinical symptoms thus far, and conducted a genotype–phenotype correlation analysis. Our results also indicated that the variation in phenotypic severity may depend on the specific location of the truncating variant, suggestive of a genotype–phenotype association. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 12041688 2077-0383 |
| Relation: | https://www.mdpi.com/2077-0383/12/4/1688; https://doaj.org/toc/2077-0383 |
| DOI: | 10.3390/jcm12041688 |
| URL الوصول: | https://doaj.org/article/3fdb80a9c75246138915ac11dfe755fd |
| رقم الأكسشن: | edsdoj.3fdb80a9c75246138915ac11dfe755fd |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 12041688 20770383 |
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| DOI: | 10.3390/jcm12041688 |