First‐trimester prenatal diagnosis of cystic fibrosis using fibroblasts from a deceased index child to establish haplotypes
- 1 October 1988
- journal article
- research article
- Published by Wiley in Prenatal Diagnosis
- Vol. 8 (8) , 625-628
- https://doi.org/10.1002/pd.1970080810
Abstract
First‐trimester prenatal diagnosis of cystic fibrosis (CF) using linked DNA markers is usually only possible if there is an index affected child to establish the haplotype of the parental chromosomes. We describe a prenatal diagnosis where fibroblasts, cultured from the skin of a deceased affected child and then held in frozen storage for 3 years, were used as the starting point for tracking the CF gene. The fetus was diagnosed as a homozygous normal and the diagnosis confirmed by immunoreactive trypsin testing after birth. It was also possible to establish heterozygosity in the aunt of the affected child.Keywords
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