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Rapid Prenatal Diagnosis of GM1-gangliosidosis Using Microchemical Methods

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Journal Hum Genet
Specialty Genetics
Date 1976 Aug 30
PMID 823094
Citations 4
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Abstract

Prenatal diagnoses were established in 3 pregnancies at risk for GM1-gangliosidosis at 9, 10, and 12 days after amniocentesis. Beta-galactosidase activities in cultured amniotic fluid cells were determined by microchemical assays in cell homogenates and in isolated groups of 10--30 freeze-dried cells. The latter method requires only a few hundred cells growing in one or more clones and will usually allow a diagnosis within 9--12 days after amniocentesis.

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