Abstract
We report an unusual case of multiple sulfatase deficiency in which neurodegeneration was accompanied by early, severe visual impairment associated with prominent pigmentary retinopathy, suggesting a diagnosis of neuronal ceroid-lipofuscinosis. The levels of arylsulfatases A, B, and C, heparan N-sulfatase, N-acetylgalactosamine-6-sulfate sulfatase, and iduronate-2-sulfate sulfatase were all markedly decreased in cultured skin fibroblasts. Screening tests for mucopolysacchariduria were consistently negative; however, thin-layer chromatographic analysis of isolated urinary glycosaminoglycans showed increased amounts of heparan sulfate. (J Child Neurol 1991;6:229-235).
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