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https://hdl.handle.net/2440/24101
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Type: | Journal article |
Title: | Prenatal Diagnosis of congenital disorder of glycosylation type la (CDG-Ia) by cordocentesis and transferrin isoelectric focussing of serum of a 27-week fetus with non-immune hydrops |
Author: | Edwards, M. McKenzie, F. O'Callaghan, S. Somerset, D. Woodford, P. Spilsbury, J. Fietz, M. Fletcher, J. |
Citation: | Prenatal Diagnosis, 2006; 26(10):985-988 |
Publisher: | John Wiley & Sons Ltd |
Issue Date: | 2006 |
ISSN: | 0197-3851 1097-0223 |
Statement of Responsibility: | Matthew Edwards, Fiona McKenzie, Stephen O'Callaghan, David Somerset, Phillip Woodford, Jillian Spilsbury, Michael Fietz and Janice Fletcher |
Abstract: | Blood was obtained by cordocentesis from a fetus with non-immune hydrops demonstrated by ultrasound scanning at 27 weeks' gestation. Abnormalities of serum transferrin isoelectric focussing (IEF) were identified, characteristic of a congenital disorder of glycosylation type I (CDG-Ia). A diagnosis of CDG-Ia was confirmed by enzyme analysis of cultured amniocytes. This is the first report of CDG-Ia diagnosed by serum analysis in a fetus. Previous reports have warned that diagnostic abnormalities do not appear in serum until several weeks after birth. The sensitivity of cordocentesis transferrin IEF is unknown but is less than 100% effective because cases have been diagnosed postnatally after normal prenatal or neonatal studies. Enzyme analysis or mutation analysis is required for diagnosis of congenital disorder of glycosylation (CDGs) regardless of whether a diagnostic transferrin pattern is identified prenatally. The analysis of a small sample of serum, from cordocentesis, performed to check for fetal anemia, simplified the investigation, diagnosis, and genetic counselling of a case of non-immune hydrops detected at 27 weeks' gestation. This might be a useful test for other cases in these circumstances, as fetal blood is usually collected to check for anemia. |
Keywords: | non-immune hydrops fetalis oedema fetal death in utero congenital disorder of glycosylation CDG-Ia serum transferrin isoforms cordocentesis prenatal diagnosis |
Description: | Copyright © 2006 John Wiley & Sons |
DOI: | 10.1002/pd.1543 |
Published version: | http://dx.doi.org/10.1002/pd.1543 |
Appears in Collections: | Aurora harvest 6 Molecular and Biomedical Science publications |
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