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Articles
Lesch-Nyhan Mutation: Prenatal Detection with Amniotic Fluid Cells
1 Department of Medical Genetics, University of Wisconsin, Madison 53706
Cells cultured from the amniotic fluid of a 22-week fetus in a heterozygote for the X-linked Lesch-Nyhan mutation, which results in neurological and developmental disorders, lacked sex chromatin and were unable to incorporate hypoxanthine. The diagnosis of a mutant male was confirmed upon birth of enzyme-deficient, hyperuricemic twin boys whose amniotic membrane cells failed to incorporate hypoxanthine.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)