1. Institute of Child Health, 30 Guilford Street, London WCI, U.K.;2. Harris-Birthright Research Centre for Fetal Medicine, King's College School of Medicine and Dentistry, Denmark Hill, London SE5 8RX. U.K.
Abstract:
Cystinosis was diagnosed in the first trimester of pregnancy by studies of uptake and retention of [35S]-cystine by intact biopsy samples of chorionic villi. The diagnosis was confirmed by similar studies on cell cultures of villi and fetal skin fibroblasts.