Abstract
Acidic glycosaminoglycans form insoluble complexes with quinacrine and this has been exploited for their analysis in blood, urine and amniotic fluid. The method is specific for glycosaminoglycans including keratan sulphate and the samples do not have to be deproteinized. Values for normal urine, serum and amniotic fluid are presented. Urinary total glycosaminoglycans excreted by patients with mucopolysaccharidoses were also determined. The normal changes in amniotic fluid total glycosaminoglycans have been measured between 14 weeks' gestation and term, and values are given for amniotic fluid total glycosaminoglycans in several pregnancies at risk for mucopolysaccharidoses. It is suggested that this method is a potentially valuable analytical tool in the pre-natal diagnosis of mucopolysaccharidoses.
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