期刊
PRENATAL DIAGNOSIS
卷 35, 期 11, 页码 1073-1078出版社
WILEY
DOI: 10.1002/pd.4648
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资金
- Ambry Genetics
ObjectiveExome sequencing is a successful option for diagnosing individuals with previously uncharacterized genetic conditions, however little has been reported regarding its utility in a prenatal setting. The goal of this study is to describe the results from a cohort of fetuses for which exome sequencing was performed. MethodsWe performed a retrospective analysis of the first seven cases referred to our laboratory for exome sequencing following fetal demise or termination of pregnancy. All seven pregnancies had multiple congenital anomalies identified by level II ultrasound. Exome sequencing was performed on trios using cultured amniocytes or products of conception from the affected fetuses. ResultsRelevant alterations were identified in more than half of the cases (4/7). Three of the four were categorized as positive' results, and one of the four was categorized as a likely positive' result. The provided diagnoses included osteogenesis imperfecta II (COL1A2), glycogen storage disease IV (GBE1), oral-facial-digital syndrome 1 (OFD1), and RAPSN-associated fetal akinesia deformation sequence. ConclusionThis data suggests that exome sequencing is likely to be a valuable diagnostic testing option for pregnancies with multiple congenital anomalies detected by prenatal ultrasound; however, additional studies with larger cohorts of affected pregnancies are necessary to confirm these findings. (c) 2015 John Wiley & Sons, Ltd.
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