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Antenatal diagnosis of Hurler's syndrome
Hurler's syndrome was diagnosed antenatally in the two consecutive pregnancies of a mother with one affected child. In both instances, diagnosis was based upon a demonstration of the presence of unusual glycosaminoglycan components in the amniotic fluid, of abnormal metabolic activity in cultured amniotic fluid cells, and a deficiency of the lysosomal enzyme alpha-L-iduronidase in these cell homogenates. Bothe pregnancies were terminated before the 24th week and the diagnosis was confirmed by biochemical studies of the fetal livers.
Hurler's syndrome was diagnosed antenatally in the two consecutive pregnancies of a mother with one affected child. In both instances, diagnosis was based upon a demonstration of the presence of unusual glycosaminoglycan components in the amniotic fluid, of abnormal metabolic activity in cultured amniotic fluid cells, and a deficiency of the lysosomal enzyme alpha-L-iduronidase in these cell homogenates. Bothe pregnancies were terminated before the 24th week and the diagnosis was confirmed by biochemical studies of the fetal livers.